The H-250/U is a military standard lightweight noise canceling handset for use with handheld and man-pack radios:
- Earphone: 1000 ohms per mil-prf-49078.
- Cable: 14" (35.5cm) retractable coiled cord that extends to approximately 6‘ (182cm). Standard Termination is U-229/U.
- Microphone: 150 ohms per Mil-Prf-49078.
- Switch: Push-to-talk with make/break sequence.