Firmware & Drivers — Keeping SDRLAB Hardware Current
How firmware and drivers work across SDRLAB devices — RTL-SDR V4 drivers, TRX-duo SD images, H4M Mayhem firmware and Flipper Zero expansion firmware — with a decision tree.
How firmware and drivers work across SDRLAB devices — RTL-SDR V4 drivers, TRX-duo SD images, H4M Mayhem firmware and Flipper Zero expansion firmware — with a decision tree.
SDRLab H4M — the current PortaPack for HackRF One (1 MHz–6 GHz). Full specs, Mayhem firmware install, first boot, spectrum analysis, laboratory wired RF safety testing, and responsible-use notes.
SDRLab H4M Pro — 2026 flagship HackRF Pro R10C RF architecture, standalone 18650 battery power management, dual-side 4-port antenna array, and dedicated Mayhem hpro firmware guide.