Name：K3-WSF401 Wireless conference set 1-4 square poles
Type：K3-WSF401
Specification
| System indicators |
| Frequency range | UHF 640-690MHz | Modulation method | wideband FM |
| Adjustable range | 50MHz | Number of channels | 4x50 |
| Channel spacing | 250KHz | Frequency stability | within ±0.005% |
| Dynamic range | 100dB | Maximum frequency deviation | ±45KHz |
| Audio response | 80Hz-18KHz (±3dB) | Comprehensive signal-to-noise ratio | >105dB |
| Comprehensive distortion | ≤0.5% | Working temperature | -10℃ ~ 50℃ |
| Receiver specifications |
| Receiver mode | secondary frequency conversion superheterodyne | IF frequency | first IF: 110MHz, second IF: 10.7MHz |
| Wireless interface | BNC/50 | Sensitivity | 12dBμV (80dBS/N) |
| Sensitivity range | 12-32dBμV | Spurious suppression | ≥75dB |
| Maximum output level | +10dBV |
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| Transmitter indicators |
| Output power | high frequency 30Mw, low frequency 3Mw | Spurious suppression | -60dB |
| Power supply | two AA DC 1.5V batteries 5. Use time: more than 10 hours at 30mW, more than 15 hours at 3mW |
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