LCD Display 1Hz-500MHz Frequency Meter Frequenzzähler Frequenzmesser DIY

Test frequency: 1 ~ 500 MHz, the limit is 640M, the accuracy of the over-range part will be lower. Display: 38 16mm LCD Display. Display: Digital 0802 LCD. Connect to the 6F22 9v battery, toggle the switch, and connect to the signal source under test after power on.

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