爱立信重.狠.硬r250dpro三防对讲机美国军用标准，美国生产，防水，防灰尘，防冲击，对频模式，7个音量波段，带电池(4.8v,用老式爱立信充电就可以)，不带充电，全新！收藏极品机世界第一款三防手机爱立信官资料FactsandfeaturesTheWorldsMostRuggedGo-Anywhere"MobilePhoneIntroducingtheEricssonR250dPRO,TheRock.Itstheultradurablemobilephoneforpeoplewhodemanduncompromisingperformanceundertoughconditions.RuggedReliability-TakeItAnywhereOnlyTheRockcombinesahigh-impactBALLISTECH"RubberOvermoldFramewithanXTREME-SEAL"BodyDesigntogiveyouwater,shockanddustresistantperformance.ItevenmeetsU.S.militarystandardsforruggedenvironments.Two-WayRadioFeaturesandPRO-Group"Calling-AdvancedCommunicationTheRockisntjustrugged,italsohastwo-wayradiofeaturesforprivateandgroupcalls.CouplethiswithPRO-Group"technology,andwithapressofabutton,youcancontactupto30peopleinavarietyofwaysincludingconferencecall,first-personanswercall,sequentialcallandevenbroadcastcallforupto96peopleatonce.Itsthemostadvancedcommunicationtoolyoucanown!Keyfeatures*Performsintough,heavydutyconditions*Water,dustandshockresistant*ReinforcedMagnesiumFrame*SilentVibe?alertfornoisyenvironmentsSpecificationsNetworks*AMPS800*TDMA800/1900Sizes*148x60x45mm*5.8x2.3x1.8inchesWeight*270gr*12.6ozFeaturesControls*SideVolumeKeysDesign*ReinforcedMagnesiumFrame*XTREME-SEAL?BodyDesignFunctionality*2HourRapidCharger*Built-InSilentVibe?*Built-InSpeakerphone*EmergencyAlertButton*HighCapacityIncoming/OutgoingCallLogs*HighCapacityPhoneBook*SuperSpeedDial?*Two-WayRadioFeaturesNetworkservices*Tri-ModeTechnologyTechnology*HighImpactBALLISTECH?Overmold*UltraPerformanceProBattery官方英文说明书;(复制后在浏览器打开)