equipment and systems communications
Tune Unit US-640-A


Model: US-640-A

The US-640-A automatic tuning unit uses high speed, efficient and reliable digital tuning network, for vertical antennas from 23' to 36'.
It is also possible to stand configurations of long wires of several types.
The microprocessor included in the coupler, controls and selects internal elements of the circuit.

Tune Unit US-640-A
Technical Data
Frequencies Range
2 to 30 MHz
Input Power
1000 Wats ±1dB
Input Impedance
50 Ohms
Controled by microprocessor.
Internal memory with no batteries (50 units).
Water and outdoors resistance.
Continuous operation.
Automatic, quick, intelligent and accurate antenna tuning unit.
Operates with any type of HF transmitter.
Related Products