Easy radio fm transmitter and receivers lprs er400ts 02 easy radio fm transmitter 433 to 434mhz frequency 5v supply voltage 23ma supply current 10dbm output power 250m sensing range 192kbps data rate 10 channels 25g 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 radio software protocols to w