| General | External interfaces | Ethernet(10/100Base-TX), Analog phone/modular jack, Stereo analog audio in/out x 1 each (mini-jacks), |
| AC adapter connector (DC-12V IN): for the provided AC power adapter |
| Power consumption | Approx. 8W |
| Radio interference standard | FCC part 15 (US), EN 55022 (EU) |
| Operating environment | Operating temperature:0-40℃ (32-104℉), Operating humidity:20%-85% (no condensation) |
| Size | 283.4(W) x 51.5 (H) x 297.5 (D)mm |
| Weight | Approx. 1.4kg (excl.power adapter) |
| Power supply | 100 to 240 V AC (50/60 Hz) |
| Accessories | AC adapter, power cable, LAN cable, phone cable, owner’s manual |
| Other | Logging facility (SYSLOG), Firmware revision update (HTTP, TFTP) |
| Settings (Web menu and front panel key operations) |
| Audio | Arrayed microphones | Zone audio pickup function, spot audio pickup function, microphone auto tracking function |
| Arrayed speakers | Output level: 85dB |
| Frequency range | 300-7000Hz(wide band) |
| Signal processing | Adaptive echo canceller, noise reduction, microphone/speaker array control |
| Communications | Supported audio codec | G.722 |
| G.711 A-Law / μ-Law |
| G.729 |
| Other functions | Compliance with DHCP, and SIP: internal clock time synchronization with SNTP server |
| Connecting locations | Mesh connection (max. 4 locations), cascade connection (max. 8 locations) |
| Audio Codec | G.722 | G.711 (μ-Law/A-Law) | G.729a |
| Required Transmission Bandwidth | 160kbit/s | 90kbit/s | 24kbit/s |