Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd.

Industrial telephone manufacturer

Joiwo Explosion-proof High-tech Enterprise EU Standard Double-effect Integration

Wall Mounted Telephone Emergency Gas Station Explosion Proof IP -voip -SIP Telephone - JWBT821

The explosion proof telephone JWBT821 is an emergency phone that specifically addresses the harsh environment of outdoor industry.The telephone is  rugged and durable and explosion proof telephone is intrinsically safe and atex zone1 and zone 2 also zone 21.

The explosion proof telephone uses aluminum alloy as the raw material for the weatherproof enclosure, and the exterior is strong, it is IP model. OEM and customization is also available.

Product Details

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.With loudspeaker and flash light.

17.Wall mounted, Simple installation.

18.Multiple housings and colors.

19. Self-made telephone spare part available.

20.CE, FCC, RoHS, ISO9001 compliant.

Explosion-proof mark  ExdibIICT6Gb/EXtDA21IP66T80℃
Power Supply 100-230VAC
Standby Work Current ≤0.2A
Frequency Response 250~3000 Hz
Ringer Volume ≤80dB(A) 
Amplified Output Power 10~25W
Corrosion Grade WF1
Ambient Temperature -40~+60℃
Atmospheric Pressure 80~110KPa
Relative Humidity ≤95%
Lead Hole 3-G3/4”
Installation Wall-mounted


Why Choose Us

Certification : SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,
Packing: 1 sets/carton, 15kg/carton
Delivery date: 3-7 days
MOQ: 1 set
Supply Ability: 5000 sets/month
Payment Term: T/T, Paypal, Alibaba Trade Assurance, L/C or others for negotiation.
Samples Offer: Samples are available and can be free for strategic customer.
Samples arrangement: Standard samples will be prepared to sending in about 3 working days. 
(And DHL 3-5days; UPS 3-5days; Fedex / TNT 3 5days; EMS 7 days to reach destination)
After-sales Service 2 Years' Warranty and spare parts are available for maintenance.
Contact Tel: 0086-574-58223619, Mob: +86-13858299692


Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd.



Address: No. 8, Guoxiangqiao Middle Road, Lanjiang Street, Yuyao City, Zhejiang Province

Purchasing: product application case