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Designed by extreme environments, The telephone adopted a polyester shell with a weatherproof, polyurethane-coated enclosure.
It is adapt to harsh conditions such as high humidity, dust,shock, vibration,saltwater, and physical abuse.
Very suitable for outdoor and industrial application, including highways, tunnels, wind farms, production areas, chemical, Power plants, and heavy machinery like container cranes and ship loaders.

| Basic Features | |
| Waterproof Rate | IP66 |
| Ringing Sound Level | ≥80 db at 1 meter |
| External Speaker | >110 db at 1 meter ( optional) |
| Noise cancellation | Optional |
| Full-duplex communication | Support |
| Enclosure Material | Aluminium Alloy |
| Color | Orange ( default) |
| Handset | ABS+PC+Magenet |
| Keypad | Stainless Steel full number keys with 6 speed dial keys |
| Cable Connection | Fiber Optical and Rj45 |
| Power supply | DC 12 V/2A or POE |
| Analog telephone compiatibility | 8 units |
| Power consumption | Standby:1.5W, Working power: 3W (without external speaker) |
| Working temperature | Operating temperature: -40°C to + 70°C Storage temperature: -40°C to +75°C |
| Mean Time Between Failures | More than 50,000 hours |
| VoIP Features | |
| Protocol | SIP 2.0(RFC3261) |
| Codec | G.711A/u, G.7231 high/low, G.729, G.722,G.726 |
| Echo cancellation | Support G.168, Hands-free :max 96 millisecond |
| Network | 10/100 Mpbs WAN/LAN: Support bridge mode Support virtual LAN Support stun NAT penetration |

Maritime

Highway / Tunnel

Railway

Power - Station

Mining industry

Industrial park
| Package | |
| Unit size | 340*170*140(mm) |
| Packaging materials | corrugated box, pearl cotton lining |
| Weight | Net weight : about 8 KG / Gross Weight :10 KG |