Sil high speed miniature fm transceivers lprs er400trs 02 easy radio transceiver module 434mhz frequency 5v supply voltage 25ma supply current 10dbm output power 250m sensing range 192kbps data rate 102dbm receive sensitivity 10 channels 35g weight ukeuropean crystal controlled synthesiser for frequency accuracy user programmable frequency of operation data rate output power user customisable rs232 baud rate all modules are compliant to the rtte directive for europe no r