Frequency Counter & Watt Meter

GY561 frequency power dot matrix liquid crystal display used in the table， mainly for the measurement of Radio Transmitting equipment (such as Mobile/ Vehicle-mounted， Hand-held Radios) output Power and Frequency.

Technical Specifications :
Frequency measurement	: 1 MHz - 2400 MHz
Power measurement	: 0.1W - 50W
Input impedance	: 50 Ω
Accuracy	: 140-170 / 400-470 better than 10%
Sampling time	: About 0.2 sec.
Operating temperature	: 0-40 degrees
Battery	: Three 1.5 V AAA alkaline batteries
Current consumption	: About 100MA
Auto power off	: Approximately 80 seconds