Licence free

Pan-European 500 mW licence free radio modem
869.4125 ... 869.6375 MHz
500 mW
RS-232, TTL, LVTTL, RS-422
IP67 classified radio modem with battery back for licence free 869 MHz
869.4125 ... 869.6375 MHz
500 mW
RS-232

A licence free lightweight UHF radio modem for medium range applications
869.4125 ... 869.6375 MHz
RS-232
500 mW
 

Design by REALLY?