The MO ADPTR adapter for Motorola 2-way radios is compatible with the iMC Motorcom series of 2-way radio headsets (HS 110, HS 130 and HS 140) as well as the MIT 100 Intercom Systems. This 2.5mm adapter allows the above mentioned iMC headsets and Intercom Systems to be used with a Motorola 2-way radio.