IP68 enclosure with multi-seal design; sealed cable entries
Standard SIP 2.0, compatible with most IPPBX/dispatch systems
Dual SIP accounts; point-to-point IP calling; configurable dial rules/one-touch keys
Auto-answer to hands-free after 3–5 s (configurable) with flashing light prompt
110 dB loudspeaker (8 Ω / 30 W) for high-noise environments
Industrial handset (German Bayer ABS+PC, permanent-magnet elements)
Anti-aging silicone keys with gold-plated PCB contacts (＞500,000 presses)
Hook switch: zinc alloy, plated, reed-switch sensing (on/off-hook)
IPv4/IPv6, DHCP/static; DTMF In-band / RFC2833 / SIP INFO
Codecs: G.711(A/μ), G.729A/B/AB, G.726, iLBC, G.722, L16
DNS SRV (RFC3263); VPN L2TP, DMZ
Rich I/O for external devices (video/alarms/sensors)
Operating range: −40 °C to +70 °C; high-humidity sites
| Parameter | Specification |
|---|---|
| Model | AT-TW01 |
| Product Material | Aluminum Alloy (die-cast) |
| Protection Level | IP68 (enclosure) |
| Product Color | Outdoor Yellow |
| Dimensions (H × W × D) | 320 × 255 × 138 mm |
| Installation Method | Wall-mounted |
| Power Supply | AC 220 V |
| SIP Lines | Up to 2 concurrent registrations |
| Network Interface | LAN/WAN |
| SIP Protocol | SIP 2.0 |
| IP Call | Point-to-point supported |
| Network Features | IPv4/IPv6, DHCP, Static IP, DNS SRV (RFC3263) |
| DTMF | In-band / RFC2833 / SIP INFO |
| Audio Codecs | G.711(A/μ) / G.729A/B/AB / G.726 / iLBC / G.722 / L16 |
| Firewall/VPN | VPN L2TP, DMZ |
| Speaker Power | 8 Ω, 30 W |
| Speaker Volume | ≥ 110 dB |
| Ambient Temperature | −40 ℃ to +70 ℃ |
| Ambient Humidity | ≥ 95% (per sheet; confirm project requirement) |
Subway / highway tunnels, underground passages
Mines, electrolysis workshops, steel mills
Power plants, utilities, substations
Ports, terminals, ships and offshore areas
High-humidity / high-dust / high-noise industrial sites
