2 layers53.3 × 22.9 mm

Pico 2W Wattmeter Shield
WsprryPi/WsprryPi-PCB-Designs
HAT and LPF Designs for the WsprryPi Organization
37 parts1MIT
Boards in 1 GitHub repository, designed in KiCad, that use the ADL5904ACPZN-R7 by Analog Devices (-30dBm~15dBm -40℃~+105℃ 0MHz~6GHz 3.15V~3.45V 3.5mA ±0.5dB LFCSP-16(3x3) RF Detectors ROHS). See how each wires it, with its parts, size, README and files; the ADL5904ACPZN-R7’s symbol, footprint and pinout are on its own page.

WsprryPi/WsprryPi-PCB-Designs
HAT and LPF Designs for the WsprryPi Organization