The JWBT820 Explosion-Proof Telephone is engineered for rugged industrial environments where safety and communication reliability are critical. With its explosion-proof certification, the JWBT820 ensures secure, clear communication in hazardous areas where flammable or explosive gases may be present. Ideal for use in oil rigs, chemical plants, or other high-risk locations, this telephone is built to withstand extreme conditions while maintaining operational effectiveness. With weather-resistant housing and intuitive operation, the JWBT820 guarantees continuous, effective communication for emergency and routine use.
Features
- Support 2 lines SIP, SIP 2.0 (RFC3261).
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Audio Codes: G.711, G.722, G.729.
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IP Protocols: IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
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Echo cancellation code: G.167/G.168.
- Supports full duplex.
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WAN/LAN: support Bridge mode.
- Support DHCP get IP on WAN port.
- Supports PPPoE for xDSL.
- Supports DHCP for IP assignment on the WAN port.
- Features an aluminum alloy die-casting shell with high mechanical strength and impact resistance.
- Equipped with a Heavy Duty handset with Hearing Aid Compatibility (HAC) receiver and a noise-canceling microphone.
- Includes a keypad made of zinc alloy and a Magnetic reed hook-switch.
- Provides weatherproof protection to IP68 standards.
- Operational temperature range from -40 degrees to +70 degrees.
- Coated with UV-stabilized polyester finish in a powder-coated format.
- Wall mounted, Simple installation.
- Multiple housings and colors.
- Self-made telephone spare part available.
- ATEX,CE, FCC, RoHS, ISO9001 compliant
Specifications
| Explosion-proof mark |
ExdibIICT6Gb/EXtDA21IP66T80℃ |
| Voltage |
AC 100-230 VDC/POE |
| Standby Work Current |
≤0.2A |
| Frequency Response |
250～3000 Hz |
| Ringer Volume |
>85dB(A) |
| Corrosion Grade |
WF1 |
| Ambient Temperature |
-40～+60℃ |
| Atmospheric Pressure |
80～110KPa |
| Relative Humidity |
≤95% |
| Lead Hole |
1-G3/4” |
| Installation |
Wall-mounted |
