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
|
|
|
|