HARDROCK-500 ATU 7 dB 144-148 MHz

7 dB 144-148 MHz

Check out more information and view the assembly instructions at the HARDROCK-50 Wiki

The PTT interface is fully protected against voltage spikes and excessive voltage or current and works perfectly with the '705

5 dB less gain

Uses the same ATU and interface kits as the 50W amp

HARDROCK-500 ATU 7 dB 144-148 MHzThe ATU 500 comes in kit form with everything you need to get going and even includes pre wound toroids. The ATU 500 is designed to be installed on the Hardrock 500 amplifier support package. ITEM SPECIFICATION Manufacturer HobbyPCB, LLC. Model Number ATU 500 Tuning Bands 160, 80, 60, 40, 30, 20, 17, 15, 12, 10 meter Amateur Radio Bands DC Power 12V DC Nominal, 2A Maximum Inductor 63 steps 50 nH to 3. 2 uH Capacitor 127 steps 22pF to 2800pF Tuning