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Joiwo JWBT820 VOIP /IP/SIP hazardous area explosionproof Telephone installed in Chemical plant.

TIME : 2020-12-16 HITS : 219

explosionproof telephone


Ningbo Joiwo’s  JWBT820  VOIP /IP/SIP explosionproof telephone  have been  installed in a Chemical plant.


Aluminum alloy  material,with strong weatherproof and explosionproof case,, 0-9 keys and 3 function keys like repeat, speed dial ,volume control which could be set according to customers’ demand.The telephone could be connected to the loudspeaker and beacon to let person hear clearly.

If the telephone install distance is very long, we could add a fiber optic moudle to make telecom transmit better.

Below is the main features  for your reference.



1.Support 2 lines SIP, SIP 2.0 (RFC3261).

2.Audio Codes:G.711, G.722, G.729.

3.IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.

4.Echo cancellation code:G.167/G.168.

5.Supports full duplex.

6.WAN/LAN: support Bridge mode.

7.Support DHCP get IP on WAN port.

8.Support PPPoE for xDSL.

9.Support DHCP get IP on WAN port.

10.Aluminum alloy die-casting shell, high mechanical strength and strong impact resistance.

11.Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone.

12.Zinc alloy keypad and Magnetic reed hook-switch.

13.Weather proof protection to IP66-IP67.

14.Temperature range from -40 degree to +70 degree.

15.Powder coated in UV stabilized polyester finish.

16.Wall mounted, Simple installation.

17.Multiple housings and colors.

18.Self-made telephone spare part available.

19.CE, FCC, RoHS, ISO9001 compliant.




1. Suitable for explosive gas atmospheres Zone 1 and Zone 2.

2. Suitable for IIA, IIB explosive atmosphere.

3. Suitable for dust Zone 20, Zone 21 and Zone 22.

4. Suitable for temperature class T1 ~ T6.

5. Hazardous dust and gas atmospheres, petrochemical industry,chemical plant,Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.


Joiwo provide the explosionproof  telephone call service. We help customer to make design the explosionproof  telephone systems.

Are you looking for any industrial explosion-proof  telephone for any project ?


Ningbo Joiwo Explosionproof  warmly welcome your inquiry, with professional R&D and years of experienced engineers, we can also tailor our solution to meet your specific business needs.

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