The MRX-701/02/11/12 FSK/FM/ASK
superheterodyne receiver is designed for applications in
the European 433 (MRX-701/02) and 868 (MRX-711/12) MHz industrial-scientific-medical (ISM) band,
according to the EN 300 220 telecommunications
standard. It can also be used for any other system with
carrier frequencies within the ranges specified in the
Electrical Characteristics on Page 4 of the data sheet.