RF power: ≤500mW (customized)
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
Interface: standard RS-232/RS-485/USB and TTL/USB
Communication mode: half-duplex
Offering a transparent data interface
Suitable for any standard or non-standard user protocols
Channel: 8 (default), 16/32(customized)
Receive current: less than 28mA (TTL connect)
Receive sensitivity: -123dBm @1,200bps, -118dBm@9,600bps
Transmitting current: less than 350mA
Sleep current: less than 20uA
RF line-of-sight range: more than 2km (BER = 10 to 3 at 9,600bps)
3km (BER = 10 to 3 at 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 | TTL |
