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%
