Current draw: Typical 9A at 48V. Mismatch ruggedness: >SWR 65:1. Tested into open and short circuit loads at the output without damage. Size: 150 (L) x 75 (W) x 35 (H)mm (Completed PCB). 150 (L) x 100 (W) x 75 (H)mm (mounted on Enigma HS150 heatsink).
200 (L) x 100 (W) x 75 (H)mm (mounted on Enigma HS200 heatsink). Voltage outputs via an edge connector for thermal and SWR monitoring, suitable for connection to a microcontroller.Bias shutdown for PTT (dual mode, either ground or +5-12V input to disable bias). LED indicators for +50V Supply and PTT bias on. The amplifier kit will be dispatched using a tracked service only. The item "Ham/Amateur Radio 4m 70MHz High Power 300W Amplifier DIY Kit. Trusted UK Seller" is in sale since Thursday, January 28, 2021. This item is in the category "Mobile Phones & Communication\Radio Communication Equipment\Ham/Amateur Radio\Other Ham/Amateur Radio". The seller is "enigma-component-shop" and is located in London. This item can be shipped worldwide.