Product Summary
1kHz to 100MHz Frequency METER OLED Frequency Display High-Precision Frequency Counter FOR is a RF wireless product selected for wireless communication, antenna experiments and radio signal workflows. It is suitable for radio users, SDR experimenters and wireless project builders who need practical electronics hardware for reliable project work.
Best For
- wireless communication, antenna experiments and radio signal workflows
- SDR receivers, LoRa modules, antennas and RF test setups
- Electronics testing, repair, prototyping and maker workflows
FAQ
Who is this product for? It is intended for radio users, SDR experimenters and wireless project builders.
What should I check before buying? Review the product options, specifications, included accessories and compatibility details on this page.
PLJ-096OLED-L1 OLED Frequency Display Module
*High-Precision 100MHz Frequency Counter with Dual IF Offset*
Please refer to our work video before purchasing
https://video.TUFZEN-media.com/seller/play/5000286496300.mp4
Key Features
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 |
Value |
Input |
IPEX (Gen1), 50 ohm High-Z |
Resolution |
10Hz (0.64s gate) / 1Hz (1.0s gate) |
Gate Time |
0.64s or 1.0s selectable |
Sensitivity |
-10dBm (typ) |
Voltage Range |
4.5-9V DC (5V recommended) |
Dimensions |
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)
User Convenience
Dual-button control interface
EEPROM settings retention
0.64s refresh rate for real-time monitoring
Interfaces & Connectors
[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)
Applications
• Ham radio transceivers
• RF test equipment frequency readout
• Oscillator calibration systems
• Educational lab instruments
Performance Notes
️ Critical Settings
Default IF = 0 (direct frequency readout)
Enable trailing zero blanking for >1MHz signals
UART output format: "FREQ:xxxx.xxx kHz\n"
️ Calibration
Factory-calibrated VC-TCXO (±2.5ppm @25 deg C)
Field recalibration via test point TP1
