Variable Frequency Oscillator 10kHz To 220MHz 0.5PPM Clock High Accuracy SDR QRP HF Transceiver Item Type: Variable Frequency Oscillator Material: Aluminum Alloy Features: 1. Working Range: 10kHz to 220MHz. 2. 0.5PPM high precise Tcxo clock, more accurate frequency. 3. 1Hz, 10Hz, 1kHz, 5kHz, 10kHz, 1MHz tuning steps. 4. Intermediate frequency (IF) offset (+ or -) adjustable. 5. 20 preset frequency bands (shortcuts) for BCB and HAM frequencies. 6. Signal generator function mode. 7. RX TX mode selector, for Homebrew QRP transceiver. 8. Bar chart of signal table through analog input (ADC). 9. Used as a local oscillator on for Homebrew radio receivers such as superheterodyne, SDR, direct conversion, and for Homebrew QRP transceivers. 10. Used as a simple RF or clock generator for calibration reference or clock generation. 11. Using universal 0.96 inch organic light emitting diode display. 12. High stability and accuracy of frequency generation. 13. Battery Information: 3.7V lithium battery, 600mAh (built in).