The H-250/U is a Microphone-Receiver Handset used for tactical field communications requirements. It is manufactured to U.S. Military Specifications and is normally utilized with Military Man-Pack Radio Equipment, such as the AN/PRC-70 and AN/PRC-77.
The Microphone Element in the H-250 is noise canceling. The Handset is equipped with a Press-To-Talk switch and 6 foot (extended) retractile cord, terminating in a 5 pin audio connector (U-229U).
-56 dbm (0.63uv across 150 OHMS) with 1kHz sound pressure input of 28 dynes/cm
300 7000 Hz
150 OHMS at 1KHZ
>104 to 110db above reference level of 0.0002 dynes/cm, when 1 milliwatt, 20 to 3500 Hz is applied to earphone
1000 OHM at 1KHZ
Less than 5% between 100 to 3500 Hz
Weight and Size:
1 lb. Packaged
10 long X 3-1/2 high X 3-1/2 wide
STAR DYNAMIC CORPORATION, 100 Outwater Lane, Garfield, New Jersey 07026. Phone: 973-340-3883 Fax: 973-340-1530