Complaint
| Model | MPRO-22BD |
| Frequencies | 200 selectable frequencies within a 50MHz bandwidth |
| Receiver | |
| Operating frequency | 640-690MHz |
| Control | Microcomputer CPU control |
| Oscillating mode | PLL phase-locked loop frequency synthesis technology with 2*100 channels for free selection of multifunctional LCD. |
| S/N signal-to-noise ratio | >105dB |
| T.H.D distortion | <0.5% |
| Frequency response | 40Hz-18KHz |
| Launcher | |
| Working frequency | 640-690MHz |
| Control | Microcomputer CPU control |
| Oscillating mode | PLL phase-locked loop frequency synthesis technology with 2*100 channels for free selection of multifunctional LCD. Unique audio/RF level display, battery voltage display, infrared frequency matching |
| Frequency stability | ± 0.002 |
| Pickup gain adjustment knob | -20dB to+35dB |
| FM maximum modulation frequency deviation | ± 45KHz |
| RF output power | High 10mW/low 5mW |
| High order harmonics | Above 60dB below the main wave reference |
| Using batteries | 2 AA batteries - can be used continuously for about 8 hours |
| RF transmission frequency range | 640-690 MHz |
| Working range | 100 meters (350 feet) under typical conditions, 300 meters (900 feet) at a straight outdoor distance Note: The actual working range depends on RF signal absorption, reflection, and interference |
| Audio frequency response | 40-18000 Hz, (+1 dB, -3 dB) Note: The overall system frequency response depends on the selected microphone unit |
| Material | Aluminum alloy |
