70cm Mast Preamplifers MINI 70

Low-noise, largesignal-firm mast preamplifer for transmitting powers up to 150 Watts. Two-stage circuit with DG MES Fet and microwave IC (MMIC). Highly selectively by Helix band filters! Current supply alternatively over coax cable or separate line. Gain steplessly adjustable from about 12 dB...25 dB.

The weatherproof ABS plastic housing can be fixed with a clamp on masts with up to 56 mm in diameter. All screws as well as the handle of the mast clamp consist of stainless VA steel.

Technical Data

frequency range: 430 - 440 MHz

noise gate: 0,7 - 1,0 dB

gain: 10-25 dB, steplessly adjustable

transmit-receive-switching: automatic per HF-VOX or PTT-controlled

certified transmitting power: 150 Watts SSB, 50 Watts FM

sensitivity HF-VOX: about 100 mW

insertion loss in transmit mode: 0,5 dB max.

current supply: 13,5 Volt, about 100 mA

supply: over separate line or remote supply over coax cable

HF-connection type: N - Norm - Buchsen