1kHz~100MHz Frequency Counter OLED Display RF Signal Frequency Meter Measurement LF MF HF VHF FM Ham Radio Medium Short Wave

1kHz~100Mhz Frequency Counter OLED Display RF Signal Frequency Meter Measurement LF MF‌ HF VHF FM Ham Radio Medium short waveBefore purchasing Please refer to the advertising work videohttps://video.aliexpress-media.com/seller/play/5000292146908.mp4ThePLJ-096OLED-L1 is a cost-effective OLED frequency display module designed for continuous signal frequency measurement. It is suitable for displaying frequency values in transceivers and other equipment, as well as for general frequency measurement applications.Key FeaturesCompact size, aesthetically pleasing display, and simple circuit design. Dual-button control for intuitive operation.Core component: Dedicated SJ8K24P-T chip-based 100 MHz frequency counter.RF signal input via IPEX connector with high measurement sensitivity and low operating current.On-board power electronic switch (can be disabled), ideal for battery-powered applications.Frequency reference: KDS/EPSON brand temperature-compensated voltage-controlled crystal oscillator (VC-TCXO) (±2.5 ppm).Unique gate control method and precise gate time algorithm (non-timer interrupt) for high measurement accuracy.Gate (display refresh) time: 0.1s / 1.0s, with real-time frequency display.Frequency measurement resolution: 10 Hz / 1 Hz (optional, with trailing digit blanking).Dual intermediate frequency (IF) design. IF values and add/subtract modes can be preset independently.UART serial output for measurement data, facilitating secondary development.All settings automatically saved to EEPROM and loaded on power-up.Technical ParametersGate Time: 0.1s / 1.0sPerformanceInput Impedance: High impedanceMeasuring Range: 1 kHz to 100 MHzResolution:10 Hz (Gate Time = 0.1s)1 Hz (Gate Time = 1.0s)Time Base Stability: ±2.5 ppmSensitivity: