SHF Mini-70 Mastpreamp 430-440 MHz

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.

Frequency Range: 430-440 MHz,
Noise Figure type: 0,7-1,0dB
Gain Typ: 10-25dB
Min. Power (VOX): Ca 100mW
Max. Power (VOX): 150 (SSB) / 75 (FM)
Insertion loss TX: < 0,5 dB
Operating Voltage: 13,5 V
Current consumption: 200mA,
Voltage Feed: Separate feed line, or via coax,
Mast Diameter: Max 56 mm
Connectors: N-female