GY561 Frequency Counter and Power Meter‏ for Ham Radio REVIEW

GY561 (formerly GY560) Frequency Counter and Power Meter‏ for Ham Radio purchased from radiohkshop in ebay RF RADIATION METROLOGY

GOOIT GY561 Frequency Counter & Power Meter‏ - KG-UVD1P

GY561 Frequency Counter and Power Meter‏ for Ham Radio