2km Wireless Radio Modem 433mhz 450mhz

We are offering our customers superior quality range of 2KM Wireless Radio Modem 433MHz 450MHz or 470MHz for Wireless LED Display.

Data Sheet:
Power output: 5V DC (customized)
RF power: a 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: 433MHz, 450MHz, 470MHz
Interface: standard RS-232/RS-485/USB and TTL/USB
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 NameFunctionLevelConnection with terminalRemarks
1GNDGrounding of power supplyGround
2VccPower supply DC5V
3RxD/TTLData receivingTTLTxD
4TxD/TTLData transmittingTTLRxD
5SGNDSignal
6A (TXD)A of RS-485(TxD of RS-232)A(RxD)
7B (RXD)B of RS-485(RxD of RS-232)B(TxD)
8SLEEPSleep control (input)TTLSleep signalLow level valid
9TESTFactory testingTTL