Simcom 20160721 GSM/GPRS Wireless Data Module User Manual UDV 20160721 Rev 03 4

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Document ID	3102918
Application ID	WMupTlIdQ7HDspFCWfwlDA==
Document Description	UDV-20160721_User Manual_Rev 03-4
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	86.5kB (1081248 bits)
Date Submitted	2016-08-18 00:00:00
Date Available	2016-08-18 00:00:00
Creation Date	2016-08-18 15:08:31
Producing Software	doPDF Ver 7.2 Build 376 (Windows 7 Ultimate Edition (SP 1) - Version: 6.1.7601 (x64))
Document Lastmod	0000-00-00 00:00:00
Document Title	UDV-20160721_User Manual_Rev 03-4

SIM800H
Document
SIM800H User Manual
Compliance Information
FCC Compliance Statement: 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 must accept
any interference received, including interference that may cause undesired operation. Product that is a radio
transmitter is labeled with FCC ID.
FCC Caution:
(1)Exposure to Radio Frequency Radiation. This equipment must be installed and operated in accordance with
provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation
distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other
antenna or transmitter. End-users and installers must be provided with antenna installation instructions and
transmitter operating conditions for satisfying RF exposure compliance.
(2) Any changes or modifications not expressly approved by the grantee of this device could void the user's
authority to operate the equipment.
(3) This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
(4) Changes or modifications to this unit not expressly approved by the party responsible for compliance could
void the user authority to operate the equipment.
(5) the modules FCC ID is not visible when installed in the host, or
(6) if the host is marketed so that end users do not have straight forward commonly used methods for access to
remove the module so that the FCC ID of the module is visible; then an additional permanent label referring to
the enclosed module: Contains Transmitter Module FCC ID: UDV-20160721 or Contains FCC ID:
UDV-20160721 must be used.
1. SIM800H Description
1.1. Summarize
SIM800H designed by SIMCom is a quad band module which supports GSM/GPRS. The baseband circuit is
based on MTK and RF circuit is based on RFMD. It works at quad bands------GSM850, EGSM900, DCS1800,
and PCS1900. CPU clock is based on 26MHz crystal. The main IC includes MT6260D and RF7198.
1.2. Feature
● Quad-Band 850/900/1800/1900MHz
● GPRS multi-slot class 12/10
● GPRS mobile station class B
● Compliant to GSM phase 2/2+
–
–
Class 4 (2 W @ 850/900 MHz)
Class 1 (1 W @ 1800/1900MHz)
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● Dimensions: 15.8*17.8*2.4 mm
● Weight: 1.25 g
● Control via AT commands (3GPP TS 27.007, 27.005 and SIMCom enhanced AT Commands)
● Supply voltage range 3.6~4.2 V
● Low power consumption
● Operation temperature:-30~80℃
● 88 LGA pads include
–
–
–
–
–
–
–
–
–
–
–
Interface to external SIM 3V/1.8V
Analog audio interface
RTC backup
Serial interface
USB interface
Keypad interface
LCD interface
Antenna pad
PCM
GPIO
ADC
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1.3. Pin
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1.4. Picture
Figure 1: Top and Bottom view of SIM800H
1.5. Dimension
Figure 2: Dimention
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2. Detail Block Diagram
GSM 850: 824–849 MHz (TX), 869–894 MHz (RX)
PCS 1900: 1850–1910 MHz (TX), 1930–1990 MHz (RX)
Figure 3: Block diagram of SIM800H
3. Electrical and Reliability Characteristics
3.1. Absolute Maximum Ratings
The absolute maximum ratings stated in following table are stress ratings under non-operating conditions. Stresses
beyond any of these limits will cause permanent damage to SIM800H.
Table 1: Absolute maximum ratings
Symbol
Parameter
Min
Typ
Max
Unit
VBAT
Power supply voltage
4.5
VBUS
30
VBUS
Input current
mA
II
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Output current
mA
These parameters are for digital interface pins, such as keypad, GPIO, I C, UART, LCD and DEBUG.
3.2. Digital Interface Characteristics
Table 2: Digital interface characteristics
Symbol
Parameter
Min
Typ
Max
Unit
IIH
High-level input current
2.1
3.1
IIL
Low-level input current
-0.3
0.7
VOH
High-level input voltage
2.4
VOL
Low-level input voltage
0.4
* These parameters are for digital interface pins, such as keypad, GPIO, I C, UART, LCD, PWMs and DEBUG.
3.3. SIM Card Interface Characteristics
Table 3: SIM card interface characteristics
Symbol
Parameter
Min
Typ
Max
Unit
IIH
High-level input current
-1
uA
IIL
Low-level input current
-1
uA
VIH
High-level input voltage
1.4
2.4
VIL
Low-level input voltage
0.27
0.4
VOH
High-level output voltage
VOL
Low-level output voltage
1.62
2.7
0.36
0.4
3.4. SIM_VDD Characteristics
Table 4: SIM_VDD characteristics
Symbol
Parameter
Min
Typ
Max
Unit
VO
Output voltage
2.70
2.80
2.90
IO
Output current
50
mA
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3.5. VRTC Characteristics
Table 5: VRTC characteristics
Symbol
Parameter
Min
Typ
Max
Unit
VRTC-IN
VRTC input voltage
IRTC-IN
VRTC input current
uA
VRTC-OUT
VRTC output voltage
2.8
IRTC-OUT
VRTC output current
mA
2.8
3.6. Current Consumption (VBAT = 3.8V)
Table 6: Current consumption
Symbol
Parameter
Conditions
Value
Unit
IVRTC
VRTC current
VBAT disconnects. Backup battery is 3 V
uA
Power down mode
50
uA
Sleep mode
BS-PA-MFRMS=9
1.0
BS-PA-MFRMS=5
1.2
BS-PA-MFRMS=2
1.8
mA
GSM 850
Idle mode
EGSM 900
19
DCS 1800
mA
PCS 1900
GSM 850
EGSM 900
IVBAT
VBAT current
Voice call
DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(1Rx,1Tx)
DCS 1800
PCS 1900
Data mode
GPRS(4Rx,1Tx)
GSM 850
EGSM 900
-7-
PCL=5
250
PCL=12
110
PCL=19
76
PCL=0
168
PCL=7
89
PCL=15
76
PCL=5
240
PCL=12
110
PCL=19
83
PCL=0
170
PCL=7
95
PCL=15
80
PCL=5
270
PCL=12
150
PCL=19
120
mA
mA
mA
mA
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DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(3Rx,2Tx)
DCS 1800
PCS 1900
IVBAT-peak
Peak current
PCL=0
205
PCL=7
130
PCL=15
115
PCL=5
440
PCL=12
185
PCL=19
130
PCL=0
300
PCL=7
155
PCL=15
122
During Tx burst
mA
mA
mA
3.7. Electro-Static Discharge
SIM800H is an ESD sensitive component, so more attention should be paid to the procedure of handling and
packaging. The ESD test results are shown in the following table.
Table 7: The ESD characteristics (Temperature: 25℃, Humidity: 45 %)
Pin
Contact discharge
Air discharge
VBAT
±6KV
±12KV
GND
±6KV
±12KV
RXD, TXD
±2KV
±8KV
Antenna port
±5KV
±10KV
±2KV
±5KV
±2KV
±8KV
SPK_P/SPK_N/MIC_P/MIC_N
PWRKEY
4. Radio Characteristics
4.1. Module RF Output Power
The following table shows the module conducted output power, it is followed by the 3GPP TS 05.05 technical
specification requirement.
Table 8: SIM800H GSM 900 and GSM 850 conducted RF output power
GSM850、EGSM900
PCL
Tolerance (dB) for conditions
Nominal output power (dBm)
Normal
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33
±2
±2.5
31
±3
±4
29
±3
±4
27
±3
±4
25
±3
±4
10
23
±3
±4
11
21
±3
±4
12
19
±3
±4
13
17
±3
±4
14
15
±3
±4
15
13
±3
±4
16
11
±5
±6
17
±5
±6
18
±5
±6
19-31
±5
±6
Table 9: SIM800H DCS 1800 and PCS 1900 conducted RF output power
DCS1800、PCS1900
PCL
Nominal output power (dBm)
Tolerance (dB) for conditions
Normal
Extreme
30
±2
±2.5
28
±3
±4
26
±3
±4
24
±3
±4
22
±3
±4
20
±3
±4
18
±3
±4
16
±3
±4
14
±3
±4
12
±4
±5
10
10
±4
±5
11
±4
±5
12
±4
±5
13
±4
±5
14
±5
±6
15
±5
±6
For the module’s output power, the following is should be noted:
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At GSM900 and GSM850 band, the module is a class 4 device, so the module’s output power should not exceed
33dBm, and at the maximum power level, the output power tolerance should not exceed +/-2dB under normal
condition and +/-2.5dB under extreme condition.
At DCS1800 and PCS1900 band, the module is a class 1 device, so the module’s output power should not exceed
30dBm, and at the maximum power level, the output power tolerance should not exceed +/-2dB under normal
condition and +/-2.5dB under extreme condition.
4.2. Module RF Receive Sensitivity
The following table shows the module’s conducted receive sensitivity, it is tested under static condition.
Table 10: SIM800H conducted RF receive sensitivity
Frequency
Receive sensitivity（Typical）
Receive sensitivity(Max)
GSM850
-108dBm
-106dBm
EGSM900
-108dBm
-106dBm
DCS1800
-108dBm
-106dBm
PCS1900
-108dBm
-106dBm
4.3. Module Operating Frequencies
The following table shows the module’s operating frequency range; it is followed by the 3GPP TS 05.05 technical
specification requirement.
Table 11: SIM800H operating frequencies
Frequency
Receive
Transmit
GSM850
869 ~ 894MHz
824 ~ 849 MHz
EGSM900
925 ~ 960MHz
880 ~ 915MHz
DCS1800
1805 ~ 1880MHz
1710 ~ 1785MHz
PCS1900
1930 ~ 1990MHz
1850 ~ 1910MHz
5. Antenna interface
There are three antenna ports for SIM800H, GSM antenna port named RF_ANT, The RF interface of the three
antenna ports has an impedance of 50Ω.The maximum gain of the GSM antenna gain should not exceed 3dBi
considering the SAR radio. No antenna gain may be used that would exceed the 2W EIRP power limit in
1900MHz band.
 The input impendence of the antenna should be 50Ω, and the VSWR should be less than 2.
 It is recommended that the GSM antenna.
 The isolations of the three antenna should be bigger than 30db
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It have according to reference trace and matching circuit testing all FCC items,and all items satisfy FCC
requirements.Only the reference trace and matching circuit is certified,
antenna design must refer to it, any other deviations require testing Class II applications as required by
FCC. The certified matching circuit as following:
5.1 GSM Antenna Interface
There is a GSM antenna pad named RF_ANT for SIM800H the connection of the antenna must be decoupled
from DC voltage. This is necessary because the antenna connector is DC coupled to ground via an inductor for
ESD protection.
The external antenna must be matched properly to achieve best performance, so the matching circuit is
necessary, the connection is recommended as following:
Figure1: GSM antenna matching circuit
R101，C101，C102 are the matching circuit, the value should be defined by the antenna design. normally R101
is 0Ω, C101 和 C102 are not SMD. The RF connector is used for conducted
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Dipole
Antenna
Reference PCBLayout Requirements.
5.2. Dipole Antenna Reference Design PCB
Mount these devices with brown mark facing up. Units: mm
Line width should be designed to provide 50Ωimpedance matching characteristics.
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5.3 Dipole
Antenna
Reference Design Schematic
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Contact us:
Shanghai SIMCom Wireless Solutions Co.,Ltd.
Address: Building A, SIM Technology Building, No. 633, Jinzhong Road, Shanghai, P. R. China
200335
Tel: +86 21 3252 3300
Fax: +86 21 3252 2030
URL: www.sim.com/wm
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