Lorex Technology MC2110 RF MODULE DIGITAL INTERFACE User Manual Module Rev 1

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Document ID	1491486
Application ID	kFSGOoEcCb4gpRXJyAqF3A==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	437.02kB (5462749 bits)
Date Submitted	2011-06-28 00:00:00
Date Available	2011-06-28 00:00:00
Creation Date	2011-06-10 12:19:42
Producing Software	Adobe PDF library 9.00
Document Lastmod	2011-06-24 16:53:09
Document Title	Module User Manual(Rev-1
Document Creator	Adobe Illustrator CS4
Document Author:	alex

DOC NO：Preliminary 1.0
User Manual
CUSTOMER
PRODUCT
2.4GHz Wireless Digital Transceiver Module
MODEL NO. DRF-TR001( LW2110, LW2110PK2B)
DATE
Nov. 2007
義聯科技股份有限公司
ELANsat Technologies Inc.
5F, No.12, Innovation Road Ⅰ,
Science-Based Industrial Park,
Hsin-chu, Taiwan, R.O.C.
TEL：+886-3-563-5105
FAX：+886-3-563-5107
http：//www.elansat.com
E-mail：sales@elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
Features
Auto ACK & retransmit
On the air max. data rate 2Mpbs
Digital interface (SPI) speed 0~8 Mbps
Software selectable channel form 2402MHz to 2478MHz (77 Selectable channels)
Short switching time enable frequency hopping
Power supply range: 3 V to 3.6 V
Minimum number of external component
Low power consumption: 3.3V, 30mA
Transmission distance: 100 m (Line of sight)
Outline: 23.2 x 20.8 x 4.3 mm
47 CFR Part 15 Subpart A Section 15.21
Applications
Keyless Entry
Wireless data communication
Alarm and security systems – Wireless home security, Video Door Bell, Video door phone
Home automation
Surveillance – Wireless P-CAM, Video Baby Monitor
Automotive – Wireless Vision-Based Robotic System, Automotive Accessory
Telemetry
Intelligent sports equipment, Video Rockie-Talkie
Industrial sensors
Toys – Camera Radio Controlled Toy
Wireless Photo Frame
Benefits
Ready for production
Reduce time to market
Remove complicity of RF design
No RF experience require
No expensive RF equipment require
Plug and play
No fuse on turning and trimming
No need for expensive external antenna
2007.12.06
Version: 1.0
Page 1 of 7
www.elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
Specification
Parameter
Limits
Unit
MIN
TYP
MAX
Supply Voltage
3.3
3.6
Supply Current in Tx mode
23
30
33
mA
Supply Current in Rx mode
17
18
19
mA
Power Section
Digital Input Section
High level input voltage
2.1
2.25
Vpp
Low level input voltage
1.08
Vpp
High level output voltage
2.7
3.6
Vpp
Low level output voltage
0.3
Vpp
2525
MHz
MHz
16
dBm
Digital Output Section
RF Section
Frequency Range
2400
Channel Bandwidth
1.8
TX Power
12
RX Sensitivity
14
-81
dBm
Operation
Operating Temperature
2007.12.06
Version: 1.0
-10
+60
Page 2 of 7
℃
www.elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
Pin Configuration and Mechanical Information
2007.12.06
Version: 1.0
Page 3 of 7
www.elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
Pin Description
No.
Symbol
VCC
Power Supply
GND
Ground
IRQ
Maskable interrupt pin
MISO
Master Input, Slave Output (output from slave)
MOSI
Master Output, Slave Input (output from master)
SCK
Serial Clock (output from master)
CSN
Chip Select
CE
10
GND
2007.12.06
Version: 1.0
Function
Chip Enable Activates RX or TX mode
Ground
Page 4 of 7
www.elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
PCB layout guideline
Any metal (including PCB track and holding screw) around the antenna will result in changing
impedance and radiation pattern of the antenna. These two parameters are the most important for
antenna performance. Reserve space around the antenna as much as possible.
Connect all parts as close as possible to the pins of module and reduce the length of routing
traces, to help on good audio performance, proper antenna pattern and EMC.
When designing the receiver module in wireless speakers and headphones, the important design
considerations are as follows:
1. Keep metal objects away from the antenna by 3 cm distance at least to avoid degradation on
the antenna. For example, speaker unit, transformer, adaptor, wire, cable and other big metal
object beside antenna will degrade the antenna performance.
2. Use regulated DC-power-supply to the modules, and separate the DC-power-supply of module
with the other circuits.
Antenna
1.
Wire Antenna: A 27~31mm plastic-covered wire can be used as antenna. In principle, 31mm
length is for a wire without any cover or very thin cover. The thicker of the cover, the shorter of the
antenna length. Try various length for a certain wire to optimize the transmission distance.
2. Antenna Soldering:
standrd equipment
The module is the only antenna that may be used
TYPE:C1073-510001-A(SSR-80521)
2007.12.06
Version: 1.0
Page 5 of 7
www.elansat.com
DRF-TR001( LW2110, LW2110PK2B)
Wireless Digital Transceiver
ELANsat
Operation
Block Diagram of DRF-TR001
The SPI data then is fed to SOIC for encoding, FSK-modulation, frequency conversion, and
amplification.
RF signal between SOIC and antenna is separated to two paths: transmission and receiving (by
two RF switches). Transmitted RF Signal from SOIC is following by a power amplifier to increase
output power and transmission distance.
RF signal between SOIC and antenna is separated to two paths: transmission and receiving (by
two RF switches). Transmitted RF Signal from SOIC is following by a power amplifier to increase
output power and transmission distance.
FCC Transmitter Notice:
This equipment has been certified and found to comply with the limits regulated
by the FCC 47 CFR part15, subpart A Section 15.21.
You are cautioned that changes or modifications not expressly approved by the part
responsible for compliance could void the user＇s authority to operate the equipment.
2007.12.06
Version: 1.0
Page 6 of 7
www.elansat.com
(LW2110, LW2110PK2B)
UCZM2110
15.247
8：2010
8575A-LW2110
UCZM2110
8575A-LW2110
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a
type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce
potential radio interference to other users, the antenna type and its gain should be so chosen that
the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful
communication.
This radio transmitter (identify the device by certification number, or model number if
Category II) has been approved by Industry Canada to operate with the antenna types listed
below with the maximum permissible gain and required antenna impedance for each antenna
type indicated. Antenna types not included in this list, having a gain greater than the maximum
gain indicated for that type, are strictly prohibited for use with this device.
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject
to the following two conditions: (1) this device may not cause interference, and (2) this device
must accept any interference, including interference that may cause undesired operation of the
device.

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