Tested working 2 channel RF power meter detector calibrated 5v/20mW up to 1GHz

Description

Tested at 144MHz and 1GHz, factory calibration data at 380MHz and 433MHz provided. Tested and working. Linear voltage output proportional to RF input power, 20mW max.
4 available, all similar to pictured item, calibrations datasheets will be included for each purchased.
Connection via DB9 connector
+12V power: pin2
GND: pin 3,4,7,9
Forward power: pin5
Reverse power: pin1