Longcheer Technology U6300 GSM/WCDMA HSPA Module User Manual U6300 UserMan

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Document Name: U6300 User Manual
Contents
Contents .......................................................................................................................................................................... ２
1．Introduction ................................................................................................................................................................. 3
1.1 Overview .................................................................................. 3
1.2 Application scenario ........................................................................ 3
2. U6300 interfaces.......................................................................................................................................................... 4
2.1 U6300 interface summary ................................................................... 4
2.1.1 Test points ............................................................................................................................................................... 4
2.1.2 Mini PCIe Interface ................................................................................................................................................ 5
2.1.3 RF interface ............................................................................................................................................................ 8
2.2 U6300 interface application .................................................................. 9
2.2.1 RF antenna interface ............................................................................................................................................. 9
2.2.2 Power supply and earth ...................................................................................................................................... 10
2.2.3 USB interface........................................................................................................................................................ 10
2.2.4 USIM interface ...................................................................................................................................................... 12
2.2.5 Audio interface* .................................................................................................................................................... 14
2.2.6 PCM interface and IIC interface* ....................................................................................................................... 16
2.2.7 UART interface*.................................................................................................................................................... 17
2.2.8 LED control ........................................................................................................................................................... 18
2.2.9 Others* ................................................................................................................................................................... 19
3. U6300 key features ................................................................................................................................................... 20
3.1 Internet access ........................................................................... 20
3.2 SMS ..................................................................................... 21
3.3 GPS ..................................................................................... 22
3.4 Phonebook ............................................................................... 22
3.5 AUDIO PCM data path selection ............................................................. 22
4. Application Illustration ............................................................................................................................................... 23
4.1 Dial-up procedure ......................................................................... 23
4.2 SMS ..................................................................................... 23
4.2.1 Message Format .................................................................................................................................................. 23
4.2.2 Set Message Storage Location .......................................................................................................................... 23
4.2.3 PDU Format .......................................................................................................................................................... 24
4.2.4 TEXT Format ........................................................................................................................................................ 26
4.2.5 SMS Service Center Address Setting ............................................................................................................... 27
4.3 PHONE BOOK ............................................................................ 28
4.3.1 Set Phone Book Storage Location .................................................................................................................... 28
4.3.2 Read Phonebook entries .................................................................................................................................... 28
4.3.3 Write phonebook entry ........................................................................................................................................ 29
4.3.4 Find phonebook entries....................................................................................................................................... 29
4.4 AUDIO ................................................................................... 29
4.4.1 AUDIO PCM data path selection ....................................................................................................................... 29
4.4.2 Originate Call ........................................................................................................................................................ 30
4.4.3 Answer a incoming call ........................................................................................................................................ 30
4.4.4 Disconnect call ..................................................................................................................................................... 30
Appendix：Mechanical dimensions of U6300 ..................................................... 30
Page ２ of 31
1．Introduction
1.1 Overview
The LONGSUNG HSPA U6300 series module, powered by Qualcomm MSM6290 chipset, can be integrated into any
devices for 3G mobile applications. It provides phone book, SMS、audio and GPS(voice service and GPS functions are
only available in the U6300_001 module) as well as high speed internet access to HSUPA, HSDPA and UMTS
networks worldwide.
The U6300 module complies with the technical standard listed below:
·HSUPA
3GPP R6, up to 5.76Mbps UL Category 6
·HSDPA
3GPP R6, up to 7.2 Mbps DL Category 8
·UMTS
Up to 384 Kbps DL and UL
·EDGE
3GPP R4, Class 12, up to 236.8 Kbps DL and 118.4Kbps UL
·GPRS
Up to 85.6 Kbps DL and 42.8 Kbps UL
It supports the frequency bands: UMTS 850/1900/2100 MHz and GSM/GPRS/EDGE 850/900/1800/1900 MHz.
1.2 Application scenario
The HSPA U6300 series module support phone book, SMS, audio, GPS and Internet access functions. The application
of U6300 is as follows:
Page 3 of 31
Figure1-1 U6300 application scenario
2. U6300 interfaces
2.1 U6300 interface summary
The HSPA module U6300 supports for multimode operation: HSDPA, HSUPA, tri-band UMTS (850/1900/2100
MHz) and quad-band GSM (850/900/DCS1800/PCS1900 MHz). The size of U6300 is 50.9×29.9×4.5mm. And the
appearance is shown in Figure 2-1 and Figure 2-2.
Figure 2-2 The rear view of U6300
Figure 2-1 The front view of U6300
The antenna pads are show as part 1in the Figure 2-1, the below one is for the main antenna, and the upper one is
for the diversity antenna; The antenna pad which is shown as part 2 in Figure 2-1 is for GPS application; A miniPCIe
interface is shown as part 3 in Figure 2-1; U6300 module also offers some test points, they are shown as part 4 in
Figure 2-2
2.1.1 Test points
The test points of U6300 are displayed in figure 2-3, and the definition of each point is listed in table 2.1.
Page 4 of 31
Figure 2-3 Test points of U6300
Table 2.1 The definition of U6300 test points
SN Definition
U6300 Power Input
GND
USB DATA+
USB DATA-
GND
USIM Card Reset
USIM Card Clock
USIM Card Data
USIM Card Power
2.1.2 Mini PCIe Interface
A Mini PCIe Interface is used, two primary data interfaces are defined for PCI Express Mini Card: PCI Express and
USB. For more information, please refer to the PCI Express®Mini Card Electromechanical Specification Revision 1.1
Figure 2-4 show the Mini PCIe Interface.
Page 5 of 31
Figure 2-4 The Mini PCIe Interface
For protecting the connector from electro-static, it is better to use the ESD element. And the ESD element should be as
close as possible to connector. The definition of the PINs in Mini PCIe Interface is listed in table 2.2 below.
Figure 2-5 The Mini PCIe Interface pin sequence of U6300
Table 2.2 The definition of Mini PCIe Interface
SN
Definition
Description
Page 6 of 31
Remark
1
MIC_P*
MIC Data+
Audio Interface
MIC_N*
MIC Data+-
Audio Interface
SPK_OUT_P*
Speaker Out+
Audio Interface
SPK_OUT_N*
Speaker Out-
Audio Interface
GND
Ground
11
VREG_MMP*
Power Output
2.6V
13
VCOIN*
VRTC
RTC Power Supply
15
GND
Ground
17
KPD_PWR_N*
Power On Key
Active Low
19
UART_CTS*
CTS of UART
UART Interface
21
GND
Ground
23
UART_RXD*
Rx of UART
UART Interface
25
UART_RTS*
RTS of UART -
UART Interface
27
GND
Ground
29
GND
Ground
31
UART_TXD*
Tx of UART
33
EXT_RST_N*
External Reset to U6300
35
GND
Ground
37
GND
Ground
39
3.3VAUX
Power Supply
41
3.3VAUX
Power Supply
45
PCM_CLK*
PCM CLK
PCM Interface
47
PCM_DIN*
PCM Data Input
PCM Interface
49
PCM_DOUT*
PCM Data Output
PCM Interface
51
PCM_SYNC*
PCM Synchronization
PCM Interface
3.3VAUX
Power Supply
GND
Ground
GPIO_TBD2*
GPIO TBD
GPIO For Reserved
VREG_USIMCARD
RUIM Power
RUIM Interface
10
RUIM_DATA
RUIM Data
RUIM Interface
Page 7 of 31
UART Interface
12
RUIM_CLK
RUIM CLK
RUIM Interface
14
RUIM_RESET
RUIM Reset
RUIM Interface
16
I2C_SCL*
IIC Clock
IIC Interface
18
GND
Ground
W_DISABLE_N
External Disable signal
Active low signal. This signal is used by the
system to disable radio operation on add-in
20
cards that implement radio frequency
applications
Analog signals input via this pin, this signal
22
AUXADC1*
ADC Input
24
3.3VAUX
Power Supply
26
GND
Ground
28
I2C_SDA*
IIC Data
IIC Interface
30
UART_DCD*
DCD Signal of UART
UART Interface
32
UART1_RI*
Ring Of UART
UART Interface
34
GND
Ground
36
USB_DM_IN
USB Data-
USB Interface
38
USB_DP_IN
USB Data+
USB Interface
40
GND
Ground
42
LED_WWAN
Led control Signal
Active low signal
44
GPIO_TBD1*
GPIO TBD
GPIO For Reserved
46
UART_DTR*
DTR of UART
UART Interface
48
UART1_DSR*
DSR of UART
UART Interface
50
GND
Ground
52
3.3VAUX
Power Supply
can be used by U6300
Notes：* Only support on LCT_U6300_001
2.1.3 RF interface
U6300 uses HRS’s U.FL-R-SMT-1(10) RF connector on the module side. There are three RF connector on U6300,from
right to left: main antenna / GPS antenna* / diversity antenna.
The RF connector is showed in figure 2-6.
Page 8 of 31
Figure 2-6 The sketch map of RF connector
Notes：* Only support on LCT_U6300_001
2.2 U6300 interface application
U6300 supplies multifold functional interface by a Mini PCIe Interface, such as , USIM card interface, USB interface,
audio interface*, UART interface*, PCM（Pulse Code Modulation） interface*, IIC interface* and power supply
interface and so on. The detail information will be given in the follow sections.
Notes：* Only support on LCT_U6300_001
2.2.1 RF antenna interface
The impedance of RF antenna is 50Ω.
The three connector is on the top of U6300;
For minimizing the wasting of RF cable, user should pay more attention to make choice. We suggest choosing the cable
that satisfies:
• GSM850/900<1dB
• DCS1800/PCS1900<1.5dB
• UMTS2100/ UMTS1900/ UMTS850<1.5dB
And the antenna should satisfy the table below：
Page 9 of 31
Item Parameter
Plus(dBi)
Type
GSM
DCS
UMTS
0.5
Omni directional antenna
2.2.2 Power supply and earth
The power supply needed by U6300, is listed as follow:
1. DC:3.3V±9%, the power for U6300 working;
2. The earth point: GND;
The description of U6300 Power and GND pins is shown in the table 2.3 below.
Table 2.3 The description of U6300 Power and GND pins
Power input
SN. of the Mini PCIe
Interface
3.3VAUX
2, 24, 39, 41,52
GND
4, 9, 15, 18,21, 26, 27, 29, 34,
35, 37, 40, 43, 50
2.2.3 USB interface
2.2.3.1 Description
U6300 offers a high-speed USB interface by Mini PCIe Interface, which submits to USB 2.0 protocol. The detail
information is given in table 2.4 below.
Table 2.4 U6300 USB interface description
Page 10 of 31
Signals offered
The name of the correlative
SN. of the Mini
by
pins in
PCIe Interface
USB interface
Mini PCIe Interface
Description
USB_VBUS
.3VAUX
2, 24, 39, 41,52
USB power
DM
USB_DM_IN
36
USB Data-
DP
USB_DP_IN
38
USB Data+
GND
GND
4, 9, 15, 18,21, 26, 27,
GND
29, 34, 35, 37, 40, 43,
50
2.2.3.2 Reference circuit
The reference circuit of USB interface is shown in figure 2-7.
1）For getting the steady-going USB power supply, it is recommended that a 10uF（C406）filter capacitor and a 22pF
（C407）filter capacitor should be used.
2）For reducing the BER of USB transmission, it is recommended to add a resistor with values below 10Ω to the
DM and DP in USB interface. Just like the resistors R408 and R409 in figure 2-7.
3）For avoiding the electro-static in USB interface, it is recommended to use the ESD element. Just like the voltage
dependent resistors RV406, RV407 and RV408 with the static capacitance values below 3pF.
Figure 2-7 The reference circuit of USB interface
Page 11 of 31
4）The USB interface input the voltage from USB_IN .For keeping the USB in U6300 module working unfailingly, a
voltage protection circuit should be added by user between the USB_IN of USB interface and the USB_VBUS PIN of
U6300. It is shown in figure 2-8 with the red circle 2. In the voltage protection circuit, D603 is a Zener diode with a
breakdown voltage value of 5.1v which could keep the voltage on the USB_VBUS PIN of U6300 not more than
5.1v. D602 is a Schottky Diode, and R621 is a resistor with the value 1KΩ. On the other hand the voltage coming
from the USB_IN also could be converted by using a DC/DC converter to 3.6v and then be sent to VBAT PIN of
U6300. It is shown in figure 2-8 with the red circle 1.
Figure2-8 The reference of voltage protection circuit
2.2.4 USIM interface
U6300 supports GSM850/GSM900/DCS1800/PCS1900 and UMTS2100/UMTS1900/UMTS850 operation mode. The
UMTS mode submits to 3GPP R99（2002.9）criterion，and the GSM/GPRS/EDGE mode submits to CMCC GSM/GPRS
criterion. USIM card as well as SIM card can be used.
2.2.4.1 Description
U6300 offers USIM card interface by Mini PCIe Interface. And it can be used in both UMTS and GSM/GPRS/EDGE
networks. The table 2.5 gives the more detail information.
Table 2.5 U6300 USIM card interface description
Signals offered
The name of the correlative
SN. of the Mini PCIe
Page 12 of 31
Description
by
pins in
Interface
USIM interface
Mini PCIe Interface
DATA
RUIM_DATA
10
RUIM card data
CLK
RUIM_CLK
12
RUIM card CLK
RST
RUIM_RESET
14
Reset signal
VCC
VREG_USIMCARD
RUIM card power
GND
GND
4, 9, 15, 18,21, 26, 27, 29,
GND
34, 35, 37, 40, 43, 50
2.2.4.2 Reference circuit
The reference circuit of USIM interface is shown in figure 2-9.
1）The DATA line of USIM is connected to SIM power by a pull-up resistor, and the reference value is 15KΩ.
2）For avoiding the instantaneous voltage overflowing, the resistor with the reference value 22Ω can be used for the
DALA, CLK and RST. Just like the resistors R307, R308 and R309 in figure 2-8.
3）For avoiding the electro-static in USIM socket, it is recommended to use the ESD element to the DATA，CLK and
VCC. Just like the voltage dependent resistors RV301, RV302, RV303 and RV304 in figure 2-8. And the ESD
element should close to the USIM socket as close as possible.
4）For getting the more smooth USIM power supply, it is recommended to use the filter capacitors. Just like C311 and
C312 in figure 2-8, and their reference values are 33pF and 100nF.
5）In order to remove the unwanted peak signal and the elimination high frequency interference which produces on RST
and CLK, the filter capacities (C310, C309) can be placed in RST and the CLK end, the reference value is 33pF.
Page 13 of 31
Figure 2-9 The reference circuit of USIM interface
2.2.5 Audio interface*
The audio signals here include a pair of input difference signals（MIC1_P, MIC1_N）and a pair of output difference
signals (EAR1OP,EAR1OR）. And the Audio interface here includes the earphone jack and the test points.
2.2.5.1 Description
The audio signals offered by U6300 are described in the table 2.7 below.
Table 2.7 U6300 audio signal description
The name of the correlative
SN. of the Mini PCIe
pins in
Interface
Description
Mini PCIe Interface
SPK_OUT_P
Audio output data+
SPK_OUT_N
Audio output data-
MIC_P
Audio input data+
MIC_N
Audio input data-
2.2.5.2 The connection between audio I/O and earphone
The audio I/O signals offered by U6300 can be connected to a stereo earphone jack. The more detail information about
connection between earphone jack and the Mini PCIe Interface is shown in table 2.8 below. And the information about
test points is shown in table 2.1 above.
Table 2.8 The connection between earphone jack and the Mini PCIe Interface
The PIN name of
he name of the correlative pins in
SN. of the
Mini PCIe
Description
earphone jack
Mini PCIe Interface
Interface
Left Speaker
SPK_OUT_P
The left output of stereo
Right Speaker
SPK_OUT_N
The right output of stereo
MIC
MIC_P
The microphone input
PGND
GND
50
Analog ground signal
Page 14 of 31
2.2.5.3 The connection between audio I/O and phone handle
The audio I/O signals offered by U6300 can be connected to a phone handle. The more detail information about
connection between phone handle and the Mini PCIe Interface is shown in table 2.9 below.
Table 2.9 The connection between phone handle and the Mini PCIe Interface
Signals
The name of the correlative
offered by
pins in
SN. of the Mini PCIe Interface
Description
phone handle
Mini PCIe Interface
EAR_P
SPK_OUT_P
Audio output data+
EAR_N
SPK_OUT_N
Audio output data-
MIC_P
MIC_P
Audio input data+
MIC_N
MIC_N
Audio input data-
2.2.5.4 Reference circuit
The reference circuit of audio interface is shown in figure 2-11.
Figure 2-11 The reference circuit of audio interface
Page 15 of 31
1）The audio output signals, a pair of difference signal, export to two receivers. And they are not the real traditional
dimensional sound.
2）It is recommended to use the smoothing capacitor or smoothing circuit for reducing the undesired signal between
different frequency bands. Just like what is shown in figure 2-9.
3）For avoiding the electro-static, it is recommended to use the ESD element. Just like the voltage dependent resistors
RV501, RV502 and RV503 in figure 2-10.
4）Designers needs gets up the acoustic train signaling analogous circuit ground terminal and the entire digital circuit
earth end connection, bead or 0 ohm resistance can be used.
5）In the chart J501 is a four section of earphone jack schematic diagram electric circuit, you can see audio output
signal connecting difference signal while audio input signal connecting one negative signal.
2.2.6 PCM interface and IIC interface*
U6300 offers Micro the PCM interface and the SPI interface by Mini PCIe Interface. And the SPI interface is simulated
by GPIO PIN.
2.2.6.1 PCM interface description
The information about PCM interface offered by U6300 is described in table 2.10 below.
Table 2.10 U6300 PCM interface description
Signals offered
The name of the correlative pins in
SN. of the Mini
by PCM
Mini PCIe Interface
PCIe Interface
Description
SYNC
PCM_SYNC
51
PCM Synchronous Signal
CLK
PCM_CLK
45
PCM CLK
D ATA_IN
PCM_DIN
47
PCM Input
D ATA_OUT
PCM_DOUT
49
PCM Output
2.2.6.2 IIC interface description
U6300 offers the IIC interface for user. Two operating modes with different transfer rates, Standard-mode: up to
~100 kbps, Fast-mode: up to ~400 kbps.The detail information is given in table 2.11 below.
Table 2.11 U6300 IIC interface description
Page 16 of 31
Signals offered by
The name of the correlative pins in
SN. of the Mini
IIC
Mini PCIe Interface
PCIe Interface
Description
I2C_SCL
I2C_SCL
16
IIC Clock signal
I2C_SDA
I2C_SDA
28
IIC Data signal
Notes: The IIC Bus 2.2K pull up resistance have been integrated in U6300.
2.2.7 UART interface*
U6300 offers a UART interface (RS232) by Mini PCIe Interface for debugging.
2.2.7.1 Description
The information about UART interface offered by U6300 is described in table 2.12 below.
Table 2.12 U6300 UART interface description
Signals offered
The name of the correlative
SN. of the Mini PCIe
by UART
pins in
Interface
Description
Mini PCIe Interface
DTR
UART_DTR
46
DSR
UART1_DSR
48
DCD
UART_DCD
30
RI
UART1_RI
32
Rx
UART_RX
23
RTS
UART_RTS
25
CTS
UART_CTS
19
GND
GND
4, 9, 15, 18,21, 26, 27, 29,
34, 35, 37, 40, 43, 50
2.2.7.2 Reference circuit
The reference circuit of UART interface is shown in figure 2-12.
1）As the UART of U6300 can only supply TTL level while the PC serial port level is the RS232 level, the signal level
between them must use level transformation chip. The reference IC is SP3238EEA which produces by SIPEX, as
Page 17 of 31
shown in Figure 2-11。J401 is a 9 needle serial port plugs，we can use it to connect U6300 and PC.
2）For avoiding the electro-static, it is recommended to use the ESD element to the signal line of the UART socket. Just
like the voltage dependent resistors RV401, RV402, RV403, RV404 and RV405 in figure 2-11.And the ESD
element should close to the socket as close as possible.
Figure 2-12 The reference circuit of UART interface
2.2.8 LED control
2.2.8.1 Description
There is a pins for LED control in the Mini PCIe Interface. And the detail information is given in table 2.13 below.
Table 2.13 U6300 LED control description
The name of the
SN. of the Mini PCIe
correlative pins in
Interface
Description
Mini PCIe Interface
LED_WWAN
42
Led control Signal
And the U6300 status displayed by LEDs is listed in table 2.14 below.
Table 2.14 LED display description
LED S
Green
tatus
Description
Flicker quickly (100ms On/800ms Off)
Page 18 of 31
Networks searching
Flicker slowly(100ms On/3000ms Off)
Registered in 3G networks
Always On
Connected to 3G networks, but no data transmitting
Off
Closed or error(No SIM card or failed
in registering
networks )
2.2.8.2 Reference circuit
The reference circuit for LED is shown in figure 2-13.
Figure 2-13 The reference circuit of LED control
1） The LED control pin connects to the cathode of LED. And the anode of LED connects to the +3.3v power in figure
2-12.
2）The value of electrical current must be below than 10mA. And the reference value is 5mA. So the current-limiting
resistor may be used. Just like the resistor R14 in figure 2-12
3）The reference circuit given is for the Green LED, and it is the same for the Red one.
2.2.9 Others*
U6300 also offers some other functional interfaces besides those which have been described above.
These signals are listed in table 2.15 below.
Table 2.15 The other signals offered by U6300
The name of the correlative pins in
SN. of the Mini PCIe
Mini PCIe Interface
Interface
Description
KPD_PWR_N
17
Power on key, active low
EXT_RST_N
33
Reset signal for U6300
AUXADC1
22
External Analog signal input
VREG_MSMP
11
VREG_MSMP Output，2.6V
VCOIN
13
Standby battery input
1） U6300 offers a power supply named VREG_MSMP, its value is +2.6V and the Max. value of electric current is
100mA.
Page 19 of 31
2） U6300 offers a power input pin named VCOIN for backup battery. The anode of the battery connects to VCOIN,
and the cathode puts to earth.. While U6300 being powered off, the backup battery will power the real time clock,
the Crystal Oscillator Circuit and the SMPL timer. And while U6300 being powered on, the battery will be charged
up. The voltage offered by battery must be less than 3.6V.
For only keeping the SMPL (Sudden momentary power losing) timer while Sudden momentary power losing, a
capacitor can be used inside of battery. And the correlativity between the capacitance and the holding time is listed in
table 2.16.
Table 2.16 the correlativity between the capacitance and the holding time
The capacitance
The Packaging (X5R)
The holding time
1.5uF
0805
0.5
3.3uF
0805
1.0
4.7uF
0805
1.5
6.8uF
1206
2.0
3） KPD_PWR_N is used for power on U6300 module. And U6300 will be start-up just by putting the KPD_PWR_N
to earth.
4） EXT_RST_N is used for reset the U6300 module. And U6300 will be reseted just by putting the KPD_PWR_N to
earth.
5） U6300 supplies one ADC channel AUXADC1, which can be used to detect some external analog signal, such as
battery voltage, temperature and so on. The voltage range of the AUXADC1 is : 0～2.6V
Notes：* Only support on LCT_U6300_001
The device does not operate at temperatures below -20°
3. U6300 key features
The U6300 module has features such as internet access, SMS, GPS, phone book and audio. The features are described
in following sections. For detail information about AT commands, please make refers to the related documents.
3.1 Internet access
AT commands can be used for querying/setting the network band, selecting network mode, setting the network search
mode, setting register mode, querying network signal strength, setting APN and so on. The related AT commands are
Page 20 of 31
listed as follows:
·Network Band Set: AT+ BNDPRF =, 
·Network Band Query: AT+BNDPRF?
·Network Mode Set: AT+MODODR=
·Network Mode Query: AT+MODODR?
·SIM LOCK status: AT+NWLCK?
·Network Mode Service Query: AT+MODPRF?
·Network Query: AT+PSRAT
·PIN and PUK Remain Times Query: AT+CPNNUM
·APN Set: AT+CGDCONT=1,"IP","CMNET"
·Dial up Access: ATDT*99***1#
·Network Disconnecting: ATH
The users need to use PPP protocol for internet access besides AT commands. The PPP protocol can be provided by
customers or API functions offered by OS, such as the RasDial function in Windows OS.
DWORD RasDial(
L P R A S D I A L E X T E N S I O N S dialExtensions,
L P T S T R phoneBookPath,
L P R A S D I A L P A R A M S rasDialParam,
D W O R D NotifierType,
L P V O I D notifier,
L P H R A S C O N N pRasConn
):
3.2 SMS
The SMS feature is implemented by AT commands. You can set the service center address, switch message format,
enable/disable receiving message report, delete message, preview message, receive/send message and so on.
Page 21 of 31
The related AT commands are listed as follow:
·New Message Indication: AT+CNMI
·Message Send: AT+CMGS
·Message Preview: AT+CMGPR
·Message Delete: AT+CMGD
·Message format Switch: AT+CMGF
·Service Center Address Set: AT+CSCA
·Receiving Message Report enable/disable: AT+CNMI=2,1,0,1,0
3.3 GPS
GPS functions are only available in the U6300_001 module. The related AT command as follow:
AT+GPSFIX originate GPS request
AT+GPSCFG configure GPS parameter
3.4 Phonebook
The Phonebook feature is implemented by AT commands. You can set the phonebook storage location, read phone
number, write phone number and delete phone number and so on.
The related AT commands are listed as follow:
AT+CPBS= set the storage location
AT+CPBR= read phone number
AT+CPBW=[][,[,[,]]] write phone number on the phone.
AT+CPBW=[] delete phone number.
AT+CPBF= find the phone number according to the findtext.
3.5 AUDIO PCM data path selection
The audio functions are only available in the U6300_001 module. The related AT command as follow:
The function make user can select audio PCM data path. The user use the related AT commands to select AUDIO PCM
data path and so on. The related AT commands as follow:
AT+PCMAUDIO=0
select the audio path in the U6300;
AT+PCMAUDIO=1
select the external PCM path.
AT+PCMAUDIO？
check the current audio path in use.
Page 22 of 31
4. Application Illustration
4.1 Dial-up procedure
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T
ype
AT Command/Respond
Explain
AT+CPIN?
READY
AT+CPNNUM
PIN1=3; PUK1=10; PIN2=0; PUK2=8
AT+NWLCK?
+NWLCK: NETWORK UNLOCKED
AT+CIMI
Get IMSI
460020177608847
IMSI, by which APN is selected
AT+CGDCONT=1,"IP","CMNET"
Set APN
10
OK
11
ATDT*99***1#
12
SIM card querying
PIN And PUK querying
SIM LOCK querying
Dial-up
PPP protocol
4.2 SMS
4.2.1 Message Format
U6300 supports two kinds of message format, PDU and TEXT which can be set by AT command AT+CMGF,
AT+CMGF=0 means PDU format, and AT+CMGF=1 means TEXT format.
4.2.2 Set Message Storage Location
The command AT+CPMS=,, is used to set message storage location.
, ,  can be set as SM and ME, SM means SIM card，ME means the U6300 module.
: The parameter set here means memory storage used as read and delete message function. It can be operated
Page 23 of 31
by the followed AT commands: AT+CMGL, AT+CMGR and AT+CMGD;
: The parameter set here means memory storage used as writing and send message function. It can be operated
by the followed AT commands: AT+CMSS and AT+CMGW;
: Received messages will be storage in this memory if routing to PC is not set;
Response:
If no error:
+CPMS:,,,,,
OK
 Number of messages currently storage in 
 Number of message capacity of 
If error:
+CMS ERROR:
The command AT+CPMS? is used to display the remained capacity of memory.
AT+CPMS?
Response:
If no error:
+CPMS:,,,,,,,, OK
If error:
+CMS ERROR
4.2.3 PDU Format
Sending:
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T ype
AT Command/Respond
AT+CSCS=" UCS2"
OK
AT+CMGF=0
OK
AT+CMGS=26
Explain
Select TE character set
Select message PDU format
Send message
Page 24 of 31
0011000D91683198916718F30000000CC8329BFD0
65DDF72363904

+CMGS: 2
Send successfully
OK
Writing message to memory：
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T ype
AT Command/Respond
AT+CMGW=26>
Explain
Write a message
0011000D91683198916718F30000000CC8329BFD0
65DDF72363904

+CMGW: 6
Memory location index 6 of the stored
OK
message is returned.
Receiving message:
+CMTI: "SM",0
Means new received message in the memory located from index 0.
Reading message：
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T
ype
AT Command/Respond
AT+CMGR=0
Explain
Read message has been received in the
memory location index 0
+CMGR: 0,,24
Read successfully
0891683108200905F0240D91683198916718F3000
880509111258023047A7A8C03
OK
Page 25 of 31
Deleting message:
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T ype
AT Command/Respond
AT+CMGD=0
Explain
Delete message from preferred memory
location index 0.
OK
Delete successfully
4.2.4 TEXT Format
Sending:
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300..
SN. T
ype
AT Command/Respond
AT+CSCS=" GSM"
OK
AT+CMGF=1
OK
AT+CMGS="13572034257"
Explain
Select TE character set
Select message TXT format
Send message
> 1233455664788666555

+CMGS: 4
Send successfully
OK
Writing message to memory：
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300..
SN. T
ype
AT Command/Respond
AT+CMGW="13572034257"
Explain
Write a message
> 11111114

+CMGW: 8
Memory location index 8 of the stored
Page 26 of 31
OK
message is returned.
Receiving message:
+CMTI: "SM",1
Means new received message in the SIM card located index is 1.
Reading message：
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T
ype
AT Command/Respond
AT+CMGR=8
Explain
Read message has been received in the
memory location index 8
+CMGR: 0,,24
Read successfully
+CMGR: "STO UNSENT","13572034257",
11111114
OK
Deleting message:
The type “S” means the AT Command sent to U6300, and the type “R” means Respond from U6300. The type “S”
means the AT Command sent to U6300, and the type “R” means Respond from U6300.
SN. T
ype
AT Command/Respond
AT+CMGD=8
Explain
Delete message from preferred memory
location index 8.
OK
Delete successfully
4.2.5 SMS Service Center Address Setting
The user can set the SMS service center address, TP-Validity-Period and SMS Data Coding Mode.
SN. T
ype
AT Command/Respond
AT+CSCA=”+8613800201500”,145
Explain
Set the SMS service center address, and the
address will be kept in SIM card.
OK
Page 27 of 31
3
AT+CSMP=17,167,0,8
Set the TP-Validity-Period as 167 （ 24
hours) ,and the SMS Data Coding Mode as
UCS2
OK
Remark:
1)
TP-MTI supports SMS-DELIVER, SMS-SUBMIT and SMS-STATUS-REPORT, while not support SMSDELIVER-REPORT, SMS-SUBMIT-REPORT and SMS-COMMAND.
2)
TP-PID is 0 by default while TPDU is sending or saving.
3)
The Min. length of  is 8 and the Max. length of  is 164 while TPDU is sending or saving,.
4)
The parameter  can only be 2 for the command AT+CMGW.
5)
In TEXT Format, the parameter  can be 17 and 49, the parameter  can only be 0, the parameter
 can be 0~31 and the parameter  can be 0~255 for AT+CSMP command
6)
In TEXT Format, the parameter  can only be ”STO UNSENT” for the command AT+CMGW
4.3 PHONE BOOK
4.3.1 Set Phone Book Storage Location
Phone book storage location can be set by AT command AT+CPBS. The AT command can be used in three ways.
Performing AT+CPBS? will return the current storage location of the phone book. Such as
+CPBS:[,,].The parameter  indicated how many phone numbers can be stored on the
phone. The parameter  indicates how many phone numbers have been stored.
Performing AT+CPBS=? will return all the storage type which the phone supports. Such as +CPBS：(list of supported
s).
We can use AT+CPBS= to set storage location. There are six types storage location. It’s follow as:
“LD”
--store the recently call number which have dialed (SIM).
“MC”
--store the recently call number which haven’t answered.
“RC”
--store the recently call number which have been answered.
“ON”
-- store the phone number of itself.
“ME”
--NVRAM storage
“SM”
--SIM storage
4.3.2 Read Phonebook entries
When you want to read phonebook entries, you can use AT command AT+CPBR.
Performing AT+CPBR=? will list of supported index, phone number length and text length.
Performing AT+CPBR=[,] will return the content of the phonebook entry of index1. If we use
Page 28 of 31
index1 and index2 at the same time ,it will return all the entries between index1 and index2. Such as
[+CPBR:,,[[...]+CPBR:,,]]
The parameter  include 129 and 145.145 indicate which is a international phone number. 129 indicate which is a
unknown type number.
The parameter  is the tag of the number.
4.3.3 Write phonebook entry
When you want to write a phonebook entry on the phone, you can use AT commande AT+CPBW.
Performing AT+CPBW=? will return list of supported index, max length of phone number, list of supported phone
number types and max length of text.
We can use the command “AT+CPBW=[][,[,[,]]]” to write number on the phone. If the
parameter  is NULL, the command will delete the phone number on the phone of index.
4.3.4 Find phonebook entries
We can use AT command AT+CPBF when we want to find the entry according to the text.
Performing AT+CPBF=? will return the max length of phone number and the max length of text. Such as
+CPBF:[],[].
When we want to find a entry, we can give the text of the phone number ,and according to the text, we use
AT+CPBF= to find the number we want.
4.4 AUDIO
Audio functions are only available in the U6300_001 module.
4.4.1 AUDIO PCM data path selection
We can use one of two option to select audio PCM data path.
1) audio path in the U6300.
2) the external PCM interface.
The audio PCM data could be routed to external PCM interface and be input from external PCM interface. In this case,
the audio path in the U6300 will be switch off. If user wants to use the external PCM audio path, then a CODEC IC
must be used, and be connected to the external PCM interface of the U6300.
The AT command AT+PCMAUDIO can be used to select which audio path we want to use:
AT+PCMAUDIO=0, will select the audio path in the U6300;
AT+PCMAUDIO=1, will select the external PCM path.
AT+PCMAUDIO？will check the current audio path in use.
All the values will not be saved after power off U6300,the default value is 0 while power on the U6300 , namely the
default audio path is the audio path that in the U6300.
Page 29 of 31
4.4.2 Originate Call
ATD[;] Mobile originate call to dial a number. : string of dialing digits, dialing digits:0～9
<;> only required to set up voice call , return to command state.
The Max length of dialing digits is 20; The prefix ”+” is not counted to the length of dialing digits.
4.4.3 Answer a incoming call
ATA using the command can answer a incoming call.
ATA responds coming call by RING. It will display the calling phone number if CLIP (Calling Line Identity Indication
Presentation) function is set. ATA will return NO CARRIER for responding hang up after connection.
4.4.4 Disconnect call
AT+CHUP using the command can disconnect a connection.
Appendix：Mechanical dimensions of U6300
The following are Mechanical dimensions of U6300 bottom view, side view and top view. (Unit: mm)
Top View
Side View
Page 30 of 31
Bottom View
FCC Regulations:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiated radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user‘s
authority to operate the equipment.
4RF Exposure Information
This Modular Approval is limited to OEM installation for mobile and fixed applications only. The antenna installation
and operating configurations of this transmitter, including any applicable source-based time-averaging duty factor,
antenna gain and cable loss must satisfy MPE categorical Exclusion Requirements of §2.1091.
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all
persons, must not be collocated or operating in conjunction with any other antenna or transmitter, except in accordance
with FCC multi-transmitter product procedures.
The end user has no manual instructions to remove or install the device and a separate approval is required for all other
operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations.
Maximum antenna gain allowed for use with this device is 2.5 dBi.
When the module is installed in the host device, the FCC ID label must be visible through a window on the final device
or it must be visible when an access panel, door or cover is easily re-moved. If not, a second label must be placed on
the outside of the final device that contains the following text: “Contains FCC ID: WH7U6300”.
Page 31 of 31

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