BJ-UV88 is a Dual Band Two-way Radio, Interphone, Handheld Transceiver. The functions as follow: 1.Frequencyrange FM87108MHZreceivingVHF136174.995MHZtransmitting/receiving UHF0350390.995MHZreceivingUHF1400470.995MHZtransmitting/receiving UHF2480520.995MHZreceiving 2.Workingmodes:Frequencymode,Channelmode 3.DigitalFMradio 4.Dualfrequencydisplay 5.U/UV/VU/VV/Udualbandworkingmodesselectable 6.U/UV/VU/VV/Udualstandby 7.DTMFsignallingsystem 8.Distantandspotalert 9.Allcalls,groupcallsandselectivecalls 10.Inspection,monitor,stunandkillfunction 11.50groupsCTCSS,105groups105DCS 12.non-standardCTCSSeditable(from60Hzto259.9Hz) 13.TransmittingCTCSS/DCSandreceivingCTCSS/DCScanbeeditedrespectively 14.High/lowpoweradjustable(viaALARMbuttonwhentransmitting) 15.Timeouttimer 16.5kindsoffrequencysteps(5K/6.25K/10K/12.5K/25K) 17.Multibatterysavemodes 18.Voxfunction 19.Wide/narrowbandwidthselectable 20.Busychannellockout 21.Lowbatteryalert 22.Autobacklight 23.Auto/manualkeylock 24.ThreecolorLCDbacklightselectable(transmitting) 25.ThreecolorLCDbacklightselectable(receiving) 26.ThreecolorLCDbacklightselectable(standby) 27.Threechannelmodesdisplay(frequencymode,channelmode,channelnamemode) 28.ANIcodeanddecodedisplaywhencalled 29.Ringingalert 30.DTMFsidetoneswitch 31.Threekindsofscanmodes(time,carrierwaveandsearch) 32.PTT-IDfunction(BOT/EOT/BOTH) 33.Multi-kindmutemodes(QT/AND/OR) 34.Offsetdirectioncanbesettedonlyinfrequencymode 35.Offsetfrequencycanbesettedbetween0-69.9875MHZ 36.OperatingMENUitemsdirectlythroughkeypad 37.Frequency,channel,MENUfastsearchfunction 38.ChannelParameterscanbesettedinfrequencymode 39.128memorychannels 40.Reversefrequency 41.U/Vreceivingandtransmittinginter-bandcanbeconnectedwithrepaeter 42.wireclonefunction43.PCprogramming