Chinese Power Meter

Chinese Power Meter

Module 1

Claiming: 8GHz 1-8000Mhz OLED display RF Power Meter -45 +5 dBm + Sofware RF Attenuation Value digital meter
Was delivered with an nice looking USB cable

Based on:
STM8????
CH340G USB --> serial converter
AMS1117 3.3V

Power detector most probaly AD8318 (not able to recognize)

Module 2

Claiming: AD8317 (1-10000MHz) RF Power Meter Logarithmic Detector Controller 1MHz to 10GHz for AmplifierS fm HF VHF UHF

Marking on the chip is Q1 IR, so it should be an AD8317