QYT KT-7900D Quad band/ Quad Display 144/220/350/440MHZ Mobile radio 25Watts Large LCD Display KT7900D Walkie talkie General specification Frequency RangeVHF:136-174MHz 、220-260MHz UHF： 350-390MHz 、400-480MHz Number of channels200 Channel spacing25KHz、 20K、12.5 Phase lock step step2.5KHz、5KHz、6.25 KHz、10 KHz、12.5 KHz、15 KHz、25 KHz Working voltage13.8V DCplusmn15% Squelch wayCTCSS、DCS、5Tone、2Tone、DTMF Frequency stabilityplusmn2.6ppm Operat temperature-20+60℃ Dimension103(W)*43(H)*126(D)mm Weight448g Receive（ETSI EN 300 086 Standarddized.Test） BroadbandNarrow Band Sensitivityle0.25munule0.35munu Channel Cholcege70dbge60db Intermodulationge65dbge60db Spurious Rejectionge70dbge70db Audio Response+13db（0.3~3KHz）+13db（0.3~2.55KHz） Signal to noise radioge45dbge40db Audio Distortionle5% Audio output powerge2W@10% Transmit（ETSI EN 300 086 Standarddized.Test） BroadbandNarrow Band Output Power25W/20W（VHF/UHF） Modulation Mode16KPhiF3E11KPhiF3E Channel Powerge70dbge60db Signal to noise radioge40dbge36db Parasitic Harmonicge60dbge60db Audio Response+1~-3db（0.3~3KHz）+1~-3db（0.3~2.55KHz） Audio Distortion le5%
| Brand | QYT |
| Model | ABCD |
| Product Dimensions | 9.8 x 12.6 x 4.29 cm; 450 g |
| Item model number | ABCD |
| Tuner Technology | UHF |
| Voltage | 13.8 Volts |
| Batteries Included | No |
| Batteries Required | No |
| Includes Rechargeable Battery | No |
| Item Weight | 450 g |
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