QYT KT-8900D 25W Walkie Talkie Dual Band VHF/UHF 136-174/400-480MHz Quad Car Mini Mobile Radio

Specifications General SpecificationsFrequency Range136 174MHz 400 480MHzChannel Capacity200 channelsChannel Spacing25KHz 20KHz 12 5KHzChannel Step5KHz 6 25KHz 10KHz 12 5KHz 15KHz 25KHzWorking Voltage13 8V DC ±15 Squelch wayCARRIER CTCSS DCS 5Tone 2Tone DTMFFrequency Stability±2 5ppmOperating Temperature 20℃ 60℃Dimension W H D 98 W 43 H 126 D mmWeight448g Receiver ETSI EN 300 086 Standardized Test Wide BandNarrow bandSensitivity≤0 25μV≤0 35μVChannel chioce≥70dB≥60dBIntermodulation≥65dB≥60dBSpurious Rejection≥70dB≥70dBAudio response 1 3dB 0 3 3KHz 1 3dB 0 3 2 55KHz Signal to noise ratio≥45dB≥40dBAudio distortion≤5 Audio output power≥2W±10 Transmitter ETSI EN 300 086 Standardized Test Wide BandNarrow bandOutput power25W 20W VHF UHF Modulation Mode16KΦF3E11KΦF3EChannel Power≥70dB≥60dBSignal to noise ratio≥40dB≥36dBParasitic harmonic≥60dB≥60dBAudio response 1 3dB 0 3 3KHz 1 3dB 0 3 2 25KHz Audio distortion≤5 Features 1 Dual Band Flexibility Operates on both VHF 136 174MHz and UHF 400 480MHz bands for versatile communication across diverse environments 2 High Power Transmission Delivers 25W output power for extended coverage ideal for outdoor industrial or emergency use 3 Advanced Squelch Control Supports CARRIER CTCSS DCS DTMF and 5Tone 2Tone squelch modes to reduce interference and enhance clarity 4 Multi Channel Management Store and access 200 channels with adjustable spacing 25 20 12 5KHz and step settings for precise