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Preamplifiers with direct joint on the antenna with F connector and power supply 12V or 5V from the output connector. Brass mechanics and connectors for outdoor use.
| code | bands | inputs | power supply | gain | output level | noise figure |
|---|---|---|---|---|---|---|
| 81942A5G | UHF | 1 F/m | 12V | 15 dB AGC | 115 dBμV | 2,5 dB |
| 81942G | UHF | 1 F/m | 12V | 12 dB | 110 dBμV | 1,9 dB |