1. Antennas
Super Wide Band SMA Radio Scanner Telescopic Antenna – Comet SMA-W100RX – SMA
If it is unavailable, try this as well, by searching “Comet SMA-W100RX”
Stainless Steel Replacement Telescopic Antenna for Tecsun PL660 Radio
2. Adapters
MCX-to-SMA Antenna Port Adapter Cable
3. Android