I have designed RF Modem or you can say simply RF Bridge. If you are using Serial wire communication and stuck with long wire connections then RF Bridge is the solution.
- It has RFM22B RF Module and works on 433Mhz Frequency Band.
- Transceiver with Half Duplex Mode.
- Programmable Baudrate and Frequency Channel.
- Compatible with RS232 Logic Level.
- Provides DB9 Connector to direct interface with PC.
- Internal CRC Checking.
- Power Supply and Transmission-Reception LED indication.
- Works on +5Volt DC Supply.
- With 433Mhz Antenna.
- 150-200 mt Tested Range.
- Cost:- INR 950 /-
Range is subject to Obstacle and type of Obstacle Its Range can be degrade based on Obstacle.