New Assembled ATU-100 Mini Automatic Tuner 1.8-50Mhz100W DIY Kits
PC B for ATU-100 7x7 HF autotuner. (Without for Shell). The tuner is automatically tuned, suitable for most radio stations. 100 Watts tuner, 7x7 (7 capacitors x 7 coils) based on PIC 16F1938. Minimum power for tuning start: 1 watt.