AD8307 Detector Module RF Signal Power Meter Logarithmic Detection Components# | eBay
AD8307 Module 1MHz to 500MHz wideband RF detector RF power meter ALC AGC Strength Meter FOR Ham Radio Amplifiers - AliExpress Electronic Components & Supplies
AD8307 RF Power Meter Logarithmic Testing Detector 0.1-600M -75~+15dBm Module | eBay