Features High-Quality Materials: Constructed with premium components for durability and reliability, ensuring a long service life for continuous performance in various applications Versatile Modes: Supports both parallel and serial port modes, allowing flexible integration and easy boot state selection for user convenience Easy-to-Use Attenuator Module: Features a PE4302 CNC RF attenuator, designed for straightforward in parallel instant mode, streamlining the testing proc Real-Time Frequency Display: Offers a refresh rate of 0.01, 0.1, or 1.0 seconds, providing accurate frequency readings instantly, crucial for measurements Comprehensive Frequency Measurement: Single-ended input design allows for three-channel measurement (low, high, auto), enhancing versatility in signal strength control and modulation Features: 1、With Microchip's PIC16F648A, 2.4 GHz frequency meter. 2、Using temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO). 3、Unique gate control and time algorithm (non-timed interrupt). 4、Gate (display refresh) time 0.01 seconds / 0.1 seconds / 1.0 seconds, real-time display frequency value. 5、Single-ended input design, three-channel frequency measurement (low channel / high channel / Auto Channel). Specification: PLJ-8LED is a cost-effective frequency display component of 8-bit digital tube display. It is mainly used for the display of frequency values of transceiver and other equipment, and can also be used for conventional frequency measurement. This component has the characteristics of compact and delicate, reliable performance, good visual effect and low cost. Features: With Microchip's PIC16F648A, 2.4 GHz frequency meter. Using temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO). Unique gate control and time algorithm (non-timed interrupt). Gate (display refresh) time 0.01 seconds / 0.1 seconds / 1.0 seconds, real-time display frequency value. Single-ended input design, three-channel frequency measurement (low channel / high channel / Auto Channel). Dual frequency design, value and IF / down mode can be preset separately. Using eight 0.56 inches high brightn digital display, eight adjustable brightn. Circuit is simple and reasonable structure, two-button control, simple . The settings are automatically saved, boot directly call. Specification: Model:PLJ-8LED-H Type: Backlight font red, Backlight font blue(Optional) 1. Gate time: 0.01 S 0.10 S 1.0 S 2. Measurement channels (channels are low impedance): low channel Measuring range: 0.1 MHz ~ 60 MHz Accuracy: ± 100Hz (0.01 1s gate time) ± 10Hz (0.1 seconds gate) Package List