What type of headset will work with the DuraFon-UHF handset? EnGenius Updated January 31, 2017 18:37 Follow The connector on the handset is M1 (2.5mm). Related articles WDS (Point to Point), Unable to Ping How can I find out what frequencies my existing two-way radios are using? (Durafon-UHF) What impedance is the headset jack on the DuraFon? What to do when a Motorola RDU2080 can’t communicate with Durafon UHF? Can the DuraFon-UHF handset work with a repeater system? Comments 0 comments Please sign in to leave a comment.