InReach uses the same 16xx Mhz Iridium frequency for everything. It does not have a 400Mhz PLB transmitter (which usually come with extendable antennas by the w

InReach uses the same 16xx Mhz Iridium frequency for everything. It does not have a 400Mhz PLB transmitter (which usually come with extendable antennas by the way, due to the ~ 70cm wavelength).