Product Overview
UHF Coax Surge Protector for 380 to 430 MHz Feedlines up to 750 W
Condition
Used and in good condition, recovered from decommissioned equipment through government surplus channels, with no damage or abnormalities observed. Visual inspection only. Function testing not performed. Sold as one surge protector with no mounting hardware, documentation or accessories, and the unit pictured is representative of stock. Markings legible: PolyPhaser, IS-TT50HN-B, 380 to 430MHz @ 750W, ANTENNA, EQUIPMENT, and DANGER DO NOT REMOVE LID.
Selling online since 1999. It ships from our Idaho warehouse the same or next business day.
Product Overview
PolyPhaser builds in-line coaxial surge protectors, and the IS-TT50HN-B is rated for 380 to 430 MHz at 750 W. It sits in the feedline with one side marked ANTENNA and the other EQUIPMENT, and a threaded coaxial jack on each end.
Key Features
- Rated 380 to 430 MHz at 750 W
- ANTENNA and EQUIPMENT sides marked with direction arrows
- Type N threaded coaxial jack with a square four-screw flange on each end
Applications
- Replacing a protector on a UHF repeater feedline in the 380 to 430 MHz band
- Stocking a spare for a two-way radio site running between 380 and 430 MHz
Frequently Asked Questions
Will it cover a 450 MHz system?
No. It is rated for 380 to 430 MHz.
Which end faces the antenna?
The end on the ANTENNA arrow side. The opposite end, on the EQUIPMENT side, faces the radio.
Has it been tested for surge or RF performance?
No. It was checked by visual inspection only, with no damage or abnormalities observed, and you take on checking it in your own line before it goes into service. Flat-rate shipping in the lower 48, and orders over the free-shipping line ship free.
ANTENNA at one end and EQUIPMENT at the other settle the orientation. The band is 380 to 430 MHz, and the ceiling is 750 W.
