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Features:
1.Base on IEEE802.11b/g and SIP protocol
2.High-speed transmission
3.54Mbps high-speed data transmission
4.Comfortable voice
5.G.711/G.729a/b audio code, with high-quality voice,
low time lag, better stabilization
6.Support VAD (voice activity detection)/CNG (comfort
noise generation)/JB (jitter buffer)/AEC (acoustic echo
cancellation)
7.WLAN signal strength and battery level status display
8.Call log scan and speed dial
9.200 records phonebook
10.Polylingual menu display
11.Supports stopwatch, calendar and calculator
12.Charge by mini USB
13.Supports WiFi quality of service (QoS)
14.E-mail and SMS function supported
15.Frequency band: 2.4GHz
16.Data rate: 1 to 54Mbps
17.Coverage range: outdoors: 100m /indoors: 30m
18.Modulation techniques: DSSS: CCK (11Mbps, 5.5 Mbps)/DQPSK
(2Mbps)/DBPSK (1Mbps)/OFDM (54Mbps)
19.Call control protocols: SIP - RFC 3261, STUN
20.Audio: G.711, G.729a/b AEC/VAD/CNG/JB
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