Features: PLJ-8LED is a cost-effective frequency display unit with eight digits It is mainly used for transceiver and other equipment frequency value display Can also be used for conventional frequency measurement This component is characterized by small and exquisite Reliable performance,good visual effect and low cost Main features 2.4 GHz frequency meter with Microchip's PIC16F648A as the core The frequency reference uses a temperature-compensated voltage-controlled crystal oscillator(2.5 ppm VC-TCXO) Unique gate control method and precise timing algorithm(non-timed interrupt method) Gate(display refresh)time 0.01 sec/0.1 sec/1.0 sec selectable,real-time display of frequency values Single-ended input design,frequency measurement three channels(low channel/high channel/auto channel)can be selected Dual IF design,IF value and add/subtract mode can be preset individually Adopting eight 0.56-inch high-brightness digital tube display with eight levels of adjustable brightness Automatic blanking of invalid zeros,optional filtering of invalid frequency value display,and optional blanking of the last position Simple circuitry,reasonable structure,dual-key control,simple operation The settings are automatically saved and can be recalled directly after power on Specification: Gate time 0.01 sec 0.10 sec 1.0 sec Measurement channels (both high and low channels are high resistance) Low channel Measurement range:0.1MHz~60 MHz Measurement Accuracy ±100Hz(at 0.01 sec gate) ±10Hz(at 0.1 sec gate) ±1Hz( 1.0 sec gate) Low Channel Sensitivity 0.1MHz~10 MHz:better than 60 mVPP 10MHz~60 MHz:better than 60mVPP 60MHz~75 MHz:not tested High channel sensitivity 20 MHz~30 MHz:better than 100mVPP 30 MHz~60 MHz:better than 50mVPP 60 MHz~2.4GHz:Not tested Package Includes: 1-0.1MHz~2400MHz frequency display kit(Lighting colors shipped randomly) Note: Only include the above package products Specifications are manually tested and are for reference only Please allow 0-1cm error due to manual measurement Please make sure you don't mind before bidding Due to the difference between different monitors Pictures may not reflect the actual color of the item.Thank