WI FI Phone (KA20), china WI FI Phone (KA20) manufacturer, WI FI Phone (KA20) wholesale center

Wireless Roaming: Base on IEEE802.11b/g and SIP protocol

High-speed transmission: 54Mbps high-speed data transmission

Comfortable voice: G. 711/G. 729a/b audio code, with high quality voice, low time lag, better stabilization;

Support VAD (Voice Activity Detection) / CNG (Comfort Noise Generation)/ JB (Jitter Buffer) / AEC (Acoustic Echo Cancellation)



* WLAN Signal Strength and Battery Level status display

* Call log scan and speed dial

* 200 records phonebook

* Polylingual menu display;

* Charged by mini USB cable

* Support Stop watch, Calendar, Calculator;

* Support Wi-Fi Quality of Service(QoS)

* Support Email and SMS



Specification

Dimensions (H*W*D) 90* 40* 15 mm

Weight 80g

Battery Rechargeable Li-ion 3.7V Battery, 550mAh

System Interface Mini USB

Keypad Total 23Keys, Including a 5-direct key

Display 1.5Inch 128*128 color LCD



Time Talk Time: 3 Hours / Standby Time: 30 hours

Accessories Charge Adapter, Earphone, Quick Start Guide



Phone Book 200 Records

Call History Remembers 10 calls each of received, missed or dialed

Display Language English / Chinese (Simplified) / Korean

IP Configuration Static IP / Dynamic IP (DHCP)

Firmware Upgrade Website / USB



Media Access Control IEEE802.11b/g

Data Rate 1-54Mbps

Coverage Range Outdoors: 100+m / Indoors: 30+m

Frequency Band 2.4GHz

Modulation Techniques DSSS: CCK (11Mbps, 5.5 Mbps) / DQPSK (2Mbps) / DBPSK(1Mbps)/OFDM(54Mbps)

Transmit Power 15dBm

Sensitivity <-76dBm@11Mbps

Security WEP(64/128 bits) / WPA-PSK/WPA2



Call Control Protocols SIP - RFC 3261; STUN

Audio G. 711, G. 729a/b; AEC/VAD /CNG/JB