For FM and Airbands I would suggest these instead of the R820T buttons. This runs cooler and the resulting sound quality is generally clearer.
USB Extender 165ft 50m 4-Port USB2.0 HUB for Cat5e Cat6 - Webcam Work Sync, Plug & Play for Camera Storage Hard Drive PC Windows, macOS, Android, 1.5m USB Cable, 5V Power - USB Over Ethernet EX60USB
8 Review
π» NESDR SMArTee v2 SDR - Premium RTL-SDR with Integrated Bias Tee, Aluminum Enclosure, 0.5PPM TCXO, SMA Input: Unleash the Power of Software-Defined Radio
10 Review
π» Enhanced NESDR SMArTee v2 Bundle - Top-Notch RTL-SDR with Built-in Bias Tee, Sturdy Aluminum Enclosure, 0.5PPM TCXO, SMA Input Port, Antenna Base & Trio of Antennas. RTL2832U & R820T2-Based Software Defined Radio (SDR)
10 Review
TV tuner World Vision Foros Combo T2/S2 black
47 Review