IBRit-rf1-232

 Case  Plastic
 Dimensions  WxHxD 47 x 275 x 30 mm
 Weight  175 g
 Frequency  433.926 MHz, ± 15 KHz
 Output @ 400Ω  +10 dBm
 Sensitivity @ 400Ω  -105 dBm
 Transmission speed  9600 baud
The radio module IBRit-rf1-232 allows the connection of stationary gauges with RS232 interface. And it is universally programmable.