Shortwave DIY Car Radio Transceiver Antenna Tuner+Carrier Backpack Holder 1Set | eBay
Amazon.com: Xiegu G90 HF Radio 20W SSB/CW/AM/FM SDR Structure with Built-in Auto Antenna Tuner : Electronics
MFJ-929 Auto tuner, 200W + Free Shipping
Amazon.com: Xiegu G90 HF Radio 20W SSB/CW/AM/FM 0.5-30MHz, Plus 60 Meters with Free BridgeCom University Course and Built in Antenna Tuner : Electronics
Coax Common Mode Noise Filter - 500 Watts PEP, 1-60 MHz, -38dB Common Mode Noise Suppression!
Antenna tuner - Wikipedia
transceiver - Antenna tuning while receiving - Amateur Radio Stack Exchange