Data Sheet
Modulation mode: GFSK/FSK
Working frequency: 433MHz (400MHz to 470MHz)
Power supply: 5V DC (default)
RF power: 400mW
RF data rate: 1,200/2,400/4,800/9,600/19,200bps (set before delivery)
Interface: TTL
Receive current: 25mA (TTL connect)
Receive sensitivity: -123dBm (1,200bps) -118dBm (9,600bps)
Transmitting current: about 300mA
Sleep current: 1uA
Interface data format: 8E1/8N1/8O1
RF line-of-sight range: 1.5km at 9,600bps
2km at 1,200bps
Size: 49 x 23 x 10mm (without antenna port)
Pin Definition:
|
Pin No.
|
Signal name
|
Function
|
level
|
Remarks
|
|
1
|
GND
|
Ground of power supply
|
|
|
|
2
|
VCC
|
Power supply DC
|
5V
|
|
|
3
|
|
|||
|
4
|
GND
|
|
|
|
|
5
|
TEST
|
Factory testing
|
|
|
|
6
|
-
|
For future development
|
TTL
|
|
|
7
|
SLP
|
Sleep control(TTL level)
|
TTL
|
Low level valid
|
|
8
|
RXD
|
Data receiving
|
TTL
|
|
|
9
|
TXD
|
Data transmitting
|
TTL
|
|