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Outdoor Preamplifier 144MHz (2m Band) with 100W VOX cuircuit

Product number: 00611

Outdoor Preamplifier 144MHz (2m Band) with 100W VOX cuircuit

199,00 €/piece
Weight: 0.15 kg
219,00 €
This item is not on stock and has to be re-ordered. Delivery time: 1 - 7 Days

Outdoor Preamplifier 144MHz (2m Band) with 100W VOX cuircuit

VHF Preamplifier for 144MHz band (2 meters) with integrated VOX circuit, bias tee and coaxial relay on board able to work without any external accessory up to 100W. Perfect for satellite use, contest, right and eme. 88-108 MHz notch filter in input. Low noise figure. Circuit designed with components of the latest generations.

Field of use :

  • Preamplifier with integrated VOX circuit, coaxile relays and bias tee on board. It can work up to 100W and performs TX to RX switching automatically.
  • Ultra Low Noise INNOVATIVE Preamplifier available for the 2 meter band. Low noise figure (type 0.35dB with coaxial relay active).
  • Thanks to the notch filter present at the input it is possible to attenuate the broadcasting from 88 to 108MHz ..
  • It can be powered, as well as by the passing capacitor, also through BIAS TEE with a voltage of 9 to 15V and a maximum absorption current of 130mA .
  • Coaxial relays on board up to 100W of transit
  • INTEGRATED VOX circuit
  • Supply via Bias tees with voltage from 9 to 15V
  • Ultra low noise at 144MHz ( typ. 0,35dB )
  • Output pass band filter
  • Tunable input 88 -108 MHz notch filter

Connectors :

  • High quality connectors. 
  • 50 Ohm input/output with N female
  • Supply : Bias tee or via SO239
  • Materials:
  • Tin box with clamping brackets with mast up to 60mm ..
  • ABS casing

Technical Features :

  • Power supply: 9-13.8V
  • Max Input power : 100W
  • Minimum relay switching power : 500mW
  • Current: 137mA
  • Impendance: 50Ohm
  • Gain: +24dB
  • OIP3 : +29dBm
  • Noise figure: circa 0,35dB

Measurement and graphs :

  •  Measurement of the noise and gain figure performed by Rohde&Schwarz mod. ZNL3 calibrato
  •  NOISECOM calibrated head model NC346B OPTION1