Wideband full-duplex SDR (AD9361). ~56 MHz standard, and since the 2023.02 release an oversampling mode reaches 122.88 MHz instantaneous bandwidth (at 8-bit depth over USB 3.0) — enough to cover the entire 80 MHz BLE band in a single pass.
SDR-based, Wireshark-compatible all-channel sniffer (HackRF / bladeRF / USRP). Unlike most sniffers it can sniff connections that are already established — invaluable when you cannot catch the connection request. Needs an SDR and GPU/CPU for channelisation.