QYT KT-9900 Dual Band Mobile Radio 25W Amateur Mini Two Way Radio LCD Display Microphone Transceiver
25W QYT KT-9900 Dual Band Mobile Radio LCD Miscrophone Display
General Part
| Frequency range | VHF: 136~174MHz
UHF: 400-480MHz |
| Number of channels | 200 channels |
| Channel spacing | 25KHz (wideband) 20K (midband) 12.5 (narrowband) |
| Phase lock step | 5KHz, 6.25KHz, 10KHZ, 12.5KHz, 15KHz, 25KHz |
| Working voltage | 13.8VDC±15% |
| Squelchmethod | Carrier/CTCSS/DCS/5Tone/2Tone/DTMF |
| Frequency stability | ±2.5ppm |
| Working temperature | －20~+60℃ |
| Size | 98(W)×35(H)×118(D)mm |
| Weight | 408g |
Receiving part
| Broadband | Narrowband | |
| Sensitivity(12dBSINAD) | ≤0.25uV | 50.35V |
| Adjacentchannel selectivity | ≥70dB | ≥60dB |
| Intermodulation | ≥65dB | 60dB |
| False signal response | 70dB | 70dB |
| Audio response | +1-3dB (0.3-3KHz) | +1-3dB (0.3-2.55KHz) |
| S/N ratio | 45dB | 40dB |
| Audio distortion | ≤5% | |
| Audio output power | ≥2W±10% | |
Transmitting part
| Broadband | Narrowband | |
| Output power | 25W/20W (VHF/UHF) | |
| Modulation | 16KφF3E | 11KφF3E |
| Intermodulation | ≥65dB | 60dB |
| Adjacent channel
power |
≥70dB | ≥60dB |
| Parasitic and harmonic | ≥60dB | ≥60dB |
| S/N ratio | ≥40dB | ≥36dB |
| Audio response | +1~-3dB (0.3-3KHz) | +1~-3dB(0.3-2.55KHz) |
| Audio distortion | ≤5% | |
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