3 | Wireless Radio | Standards | IEEE802.11b (11Mbps wireless LAN) | ||
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| Protocol |
| CSMA/CA | |
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| Modulation | DBPSK (1Mbps) | ||
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| DQPSK (2Mbps) | ||
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| CCK (5.5&11Mbps) | ||
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| Communications technique | DSSS (Direct Sequence Spread Spectrum) | ||
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| Frequency band | 2.4 ~ 2.497 GHz (14Ch) | ||
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| Output power | 10 mW/MHz max. | ||
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| Communications distance | Open space |
| 160m (11Mbps) |
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| *1 |
| 200m (2Mbps) |
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| Indoors |
| 30m (11Mbps) |
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| 40m (2Mbps) |
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| Data rate | 1/2/5.5/11 Mbps | ||
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| Minimum reception | |||
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| sensitivity | |||
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| Handover |
| Layer 2 *2 | |
4 | Software | Call control protocol |
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| SIP |
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| Audio encoding | G.711 | ||
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| G.729A 8kbps | ||
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| Network settings | DHCP (client operation only)/manual | ||
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| NAT(Static) | ||
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| Priority control | DiffServ DSCP | ||
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| Security |
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| SSID |
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| WEP key | 64/128/256 bits | |
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| 802.1x (MD5, | ||
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| Operational features | NTP (client operation only) | ||
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| Syslog (client operation only) | ||
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| Transmission path | IP communications testing with Ping command | ||
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| diagnostics function |
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| Firmware upgrade | TFTP (client operation only) | ||
5 | Battery | Lithium ion battery | Capacity |
| 3.7V 1350mAH |
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| Call time |
| About 3 hours 10 minutes |
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| Standby time |
| About 55 hours *3 |
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| Battery charging time |
| About 3 hours |
*1 The communications distance can vary with the weather, temperature, etc.
*2 L3 handover is also possible with the AP side specifications.