1kHz to 100MHz Frequency METER OLED Frequency Display High-Precision Frequency Counter FOR RF Measurement Ham radio transceiver

1kHz to 100MHz Frequency METER OLED Frequency Display High-Precision Frequency Counter FOR RF Measurement Ham radio transceiver

PLJ-096OLED-L1 OLED Frequency Display Module

*High-Precision 100MHz Frequency Counter with Dual IF Offset*

Features and Specifications

• 100MHz Measurement Range : 1kHz to 100MHz
• ±2.5ppm Stability : KDS/EPSON VC-TCXO reference oscillator
• Dual IF Offset : Independent ±99.9999MHz offset (100Hz step)
• OLED Display : 0.96" 8-digit high-visibility readout
• Low Power : 30mA @5V with electronic power switch
• UART Interface : For data logging and system integration
• Technical Specifications
• Parameter
• Input
• IPEX (Gen1), 50 ohm High-Z
• Resolution
• 10Hz (0.64s gate) / 1Hz (1.0s gate)
• 0.64s or 1.0s selectable
• -10dBm (typ)
• Voltage Range
• 4.5-9V DC (5V recommended)
• 27.3x27.8x19mm
• Weight
• 22g
• Functional Highlights
• Precision Measurement
• Adaptive gate control algorithm (non-interrupt timing)
• Trailing digit blanking (3-digit suppression option)
• Dual IF Operation
• Separate IF1/IF2 stores with ± offset modes
• Independent configuration (no mutual interference)
• Dual-button control interface
• EEPROM settings retention
• 0.64s refresh rate for real-time monitoring
• Interfaces & Connectors
• [RF IN] ─── IPEX (Gen1) ─── SMA-M cable included
• [PWR] ─── XH2.54-2P ─── 15cm cable included
• [UART] ─── TTL serial (configurable baud rate)
• Package Contents
• PLJ-096OLED-L1 Module x1
• IPEX-to-SMA(M) Cable (15cm)
• XH2.54-2P Power Cable (15cm)
• Ham radio transceivers
• • RF test equipment frequency readout
• • Oscillator calibration systems
• • Educational lab instruments
• ️ Critical Settings
• Default IF = 0 (direct frequency readout)
• Enable trailing zero blanking for >1MHz signals
• UART output format: "FREQ:xxxx.xxx kHz\n"
• Factory-calibrated VC-TCXO (±2.5ppm @25 deg C)
• Field recalibration via test point TP1