2km-3km Wireless Transceiver Module RS485
Specifications
- Origin
- China
- Price Term
- EX-Work
- Payment Term
- T/T
2km-3km Wireless Transceiver Module RS485 is a Telecommunications product. Key specs — Origin: China; Price Term: EX-Work; Payment Term: T/T.
Product Description
Data Sheet: Power output: DC 5V (customize) RF power: 500mW (customized 500mW~1W) 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 MHz, 450MHz, 470MHz Interface: standard RS-232/RS-485/TTL Communication mode: half-duplex Channel: 8(default), 16/32/64(customized) Receive current: less than 28mA (TTL connect) Receive sensitivity: ,200bps); ,600bps) Transmitting current: 400mA Sleep current: less than 20uA RF line-of-sight range: more than 2km (BER=,600bps); 3km (BER=,200bps) Size: 53 x 38 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 Level) TTL TxD 4 TxD/TTL Data transmitting (TTL Level) 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 TTL Sleep signal Low level valid 9 TEST Factory testing TTL
