Key Feature
UHF Wireless Data Transceiver
RF Output Power up to 10mW
Sensitivity up to -112dBm
Low Power Consumption
Voltage Supply 3.5V to 5.5V
SPI Micro-Controller Interface
Transceiver Data Rate: 1.2Kbps~250Kbps
Applications
Wireless Networks
Wireless Remote Control
Remote Keyless Entry
Multi-Channel Home Automation Standards
Wireless RS-232 USB
Active RFID
RFID Base Station Transmitter
Characteristic
Parameter
Operating Temperature Range
Operating Supply Voltage
Receiver Mode
Transmitter Mode
Sleep Mode
RF Characteristic
Frequency Range
Data Rate
Transmitter Output Power
Receiver Sensitivity
Modulation
FIFO
ESD
http://www.wenshing.com.tw ; http://www.rf.net.tw
Min
-10
3.5
Type
Max
+70
5.5
21
24
2
Unit
℃
V
mA
mA
mA
MHz
Kbps
dBm
dBm
Condition
Operating Condition
Current Consumption
Vcc 5V
Vcc 5V
800
1.2
0
FSK
Other
928
250
10
-112
MSK
64
500
FSK
byte
V
TRW-V4B-D Data Sheet P.2
Pin Assignment
Pin
Function
I/O
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
ANT
GND
GND
RESET
P2
2.7V OUT
VOICE IN
VOICE OUT
P1.2
P1.0
P1.1
P1.3
P1.4
P1.5
P1.6
P1.7
VDD IN
GND
ANT
P
P
O
O
P
O
N
N
N
N
N
I
O
O
O
P
P
Antenna Interface
Power Negative
Power Negative
Lo action
Set
Internal Power Output
Serial Rate Choice
RF Serial Data Input ( SPI I )
RF Serial Data Output ( SPI O )
Serial Rate Choice
Serial Rate Choice
Power Cathode
Power Negative
TRW-V4B-D Data Sheet P.4
http://www.wenshing.com.tw ; http://www.rf.net.tw
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