Brand New Motorola GR-3188/3688 Two-way Radio Walkie Talkie Base Station/ Repeater VHF 136-174MHz 25Watts 8 Channels with Duplexer Importance: The frequency difference between TX frequency and RX frequency in each Channel for VHF Repeater should be 5.7MHz, For Example:CH1: TX 136.6375MHz RX:142.3375MHz (142.3375-136.6375=5.7)So you have to tell your desired Frequency to our salesman by leaving message or online after paying for your order. Thanks! Features:1.Large LCD Display2.Busy Channel Locked3.CTCSS and DCS4.With Built-in Duplexer5.PC Programming6.25W Power Output7.Time-out-Timer(TOT)8.Scanning9.25-30Km Communication DistanceSpecifications:ModelGR-3188/3688Frequency range136-174MHz Channels8Channel space25KHz/20KHz/12.5KHzOperating temperature range-25°C—60°CPower voltage220V/110V ACDimension26.5*19.8*25.8cmWeight11.3kgTransmitterPower output25-30WFrequency stability±3ppmModulated mode16KF3E(width) 8KF3E(narrow)Spurious emissions≤-70dbFM noise≤-40dbAudio distortion≤5%Max frequency deviation≤±5KHz(width) ≤±2.5KHz(narrow)ReceiverFrequency stability±3ppmSensitivityBetter than 0.25µV(width) Better than 0.28µV(narrow)Receiving modulatedbandwidth≥±7KHz(width) ≥±3.5KHz(narrow)Adjacent channel sensitivity≥70dbIntermodulation rejection≥65dbSpurious response rejection≥65dbAudio output power2W(inter) 8W(outside)Notice: Product design and specifications are subject to change without previous notice. Package Contents:1x GR-3188/3688 VHF Base Repeater Unit1x Repeater Housing1x DuplexerPictures:
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