Wifi IP Phone with wifi roaming SC6040S,standby time up to 100 hours

Product IDSC-6040S Key Facts Standby time up to 100 hours, talk time 5 hours, SecurityIEEE 802.1x, WEP 64/128, QoS802.11e; 2.2" TFT LCD; 802.11bg; Video Features (IPTV is option)SC-6050S Packing Detail Wireless CharacteristicsWLAN Type802.11b/g WLAN Data Rate1, 2, 5.5, 11 Mbps for 11b; 6, 9, 12, 18, 24, 36, 48, 54 Mbps for 11g WLAN Sensitivity-68dBm for 11g 54Mbps, -83dBm for 11b 11Mbps, -91dBm for 1Mbps Transmission Power15dBm for 1Mbps WLAN Operating FrequenciesUSA/Canada2.412 MHz ?2.462 GHz (11 channels) Europe2.412 ?2.472 GHz (13 channels) Japan2.412 ?2.472 and 2.484 GHz (14 channels) Network CharacteristicsSecurity:Æ IEEE 802.1x, WEP 64/128, HTTP 1.1 Basic/Digest Authentication, MD5 for SIP Authentication, IEEE 802.1x NAT TraversalSTUN (RFC3489), Outbound Proxy Performance CharacteristicsBattery3.7v, 1200mAh Li-on Standby TimeUp to 100 hours Talk TimeUp to 5 hours Voice CharacteristicsVoice ProtocolSIP (RFC 3261)CodecG.711u-law, G.711a-law, G.723.1 5.3K, G.723.1 6.3K, G.729 a/b QoS802.11e Phone Features LanguageEnglish Wifi Wizard, Call History, Phonebook, Short Message, PIM/Game, PC-Sync, Micro-Browser Auto ProvisionFTP 2.2?TFT Color, 16-bit 65,536 colors, 176 220 Video Features (Option)Soft-DSP MP4 module ?for IPTV or multimedia-over-IP applications (SC-6050