Data Sheet:
Power output: 5V DC (customize)
RF power: 10mW (customized 10mW to 100mW)
RF effective rate: 1,200/2,400/4,800/9,600/19,200bps selectable
Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable
Frequency band: 433, 450, 470, 868, 915MHz
Interface: standard RS-232/RS-485/TTL
Communication mode: half-duplex
Channel: 8(default), 16/32(customized)
Receive current: 20mA (TTL connect)
Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)
Transmitting current: <40mA
Sleep current: 20uA
RF line-of-sight range: 600m (BER=10-5@9600bps)
1,000m (BER=10-5 @ 1,200bps)
Size: 47 x 26 x 10mm (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 | Sleep signal | Low level valid | |
9 | TEST | Factory testing |
