WiFiPhone DynaPhone-A50 DynaPhone--thepioneerwalkinginthewirelesscity Wirelessroaming MeasureuptotheIEEE802.11b/gStandardandSIPprotocal High-speedtransmission Datarateishighupto54Mbps Comfortablesound AudiocodecG.711,G.729a/b,G.726 AEC/VAD/CNG/JB Features WLANsignalandbatterystrengthinforming Calllogviewing,speeddialing Phonebook Multilanguagemenudisplaying Stopwatch,calendar,calculatorsupport MiniUSBforcharging,datatransfer WiFiMultimediaQoS Specifications Dimensions(H*W*D)100*45*18mm Weight100g BatteryRechargeableLi-ion3.7VBattery,920mAh SystemInterfaceMiniUSB Keypad Total21Keys,Includinga5-directkey Display1.5Inch128*128colorLCD TimeTalkTime:4Hours/StandbyTime:50hours+ AccessoriesChargerAdapter,Earphone,QuickStartGuide PhoneBook200Records CallHistoryremembers10callseachofreceived,missedordialed DisplayLanguageEnglish/Chinese(Simplified)/Korean IPConfigurationStaticIP/DynamicIP(DHCP) FirmwareUpgradeWebsite/USB MediaAccessControlIEEE802.11b/g DataRate1-54Mbps CoverageRangeOutdoors:100+m/Indoors:50+m FrequencyBand2.4GHz ModulationTechniquesDSSS:CCK(11Mbps,5.5Mbps)/DQPSK(2Mbps)/ DBPSK(1Mbps) TransmitPower16+-0.5dBm+2dBi Sensitivity -76dBm@11Mbps SecurityWPS/WEP(64/128bits)/WPA-PSK/WPA2 CallControlProtocolsSIP-RFC3261;STUN AudioG.711,G.729a/b,G.726 AEC/VAD/CNG/JB