Entry-level 500mW PLL FM transmitter for hobbyists and beginners. Programmable frequency, stable PLL technology, compact design. The perfect way to learn FM broadcasting fundamentals at minimal cost.
Buy NowThe CZH-05B is the most affordable entry point into PLL FM broadcasting. Despite its low cost, it features genuine PLL phase-locked loop frequency synthesis for stable output — far superior to free-running oscillator designs. Frequency is programmable across the FM band. Its 500mW output is suitable for very short-range home, garage, and educational applications. An excellent learning tool for understanding FM broadcasting before investing in professional equipment.
| Output Power | 500mW (0.5W) |
|---|---|
| Frequency Range | 87.5-108MHz |
| Frequency Stability | PLL synthesized |
| Frequency Step | 100kHz |
| Modulation | FM |
| Audio Input | 3.5mm stereo jack |
| RF Connector | BNC |
| Impedance | 50 Ohm |
| Power Supply | DC 5V / USB |
| Form Factor | Ultra-compact |