Product Main

Specifications

Data Sheet
Power output: DC 5V (customize) 
RF power: ≤2W(customize) 
RF effective rate: 1,200/2,400/4,800/9,600/19,200bps optional
Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable
Frequency band: 433 MHz, 450MHz, 470MHz or ISM others 
Interface: standard RS-232/RS-485 and TTL 
Communication mode: half-duplex 
Offering a transparent data interface, it is suitable for any standard or non-standard user protocols 
Channel: 8(default), 16/32(customized) 
Receive current: <30mA(TTL connect) 
Receive sensitivity: -123dBm@1,200bps);-118dBm@9,600bps) 
Transmitting current: <1.5A 
Sleep current: <20uA 
RF line-of-sight range: 5km(BER=10-3@9,600bps);                                 7km(BER=10-3@1,200bps) 
Size: 80 x 45 x 19mm (without antenna port)
Pin Definition:
Pin No.
Signal Name
Function
Level
Connection with terminal
Remarks
1
GND
Grounding of power supply
 
Ground
 
2
Vcc
Power supply DC
5V
 
 
3
RxD/TTL
Data receiving 
TTL
TxD
 
4
TxD/TTL
Data transmitting
TTL
RxD
 
5
SGND
Signal
 
 
 
6
A (TXD)
A of RS-485(TxD of RS-232)
 
A(RxD)
 
7
B (RXD)
B of RS-485(RxD of RS-232)
 
B(TxD)
8
SLEEP
Sleep control (input)
TTL
Sleep signal
Low level valid
9
TEST
Factory testing