SPECIFICATION: THE H-250/U IS A LIGHTWEIGHT NOISE CANCELING HANDSET DESIGNED TO MEET U.S.A. MILITARY SPECIFICATION MIL-PRF-49078.
USE: THIS DYNAMIC HANDSET IS THE MILITARY STANDARD FOR USE WITH THE "PRC" SERIES OF RADIOS & MILITARY MAN-PACK RADIO EQUIPMENT SUCH AS THE PRC-119, PRC-148, PRC-150, AS WELL AS "VRC" (VEHICULAR INSTALLATIONS).
EARPHONE: 1000 OHMS PER MIL-PRF-49078
MICROPHONE: 150 OHMS PER MIL-PRF-49078
SWITCH: PUSH-TO-TALK WITH MAKE/BREAK SEQUENCE