MHF4 connectors are compatible with the Sierra Wireless AirPrime EM (i.e., EM7565, EM7455, etc) series and the Quectel EM (i.e., EM06, EM12-G, EM20-G) series of modems. They are not compatible with the MC series.
U.FL connectors must be used with the Sierra Wireless AirPrime MC series of modems (i.e., MC7455, MC7354, MC7700, etc.) and Quectel Mini PCI-E modems.
