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Explosion Proof Fiber Optic Telephone

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Explosion Proof Fiber Optic Telephone Extension Mining Telephone - JWBT831

Model: JWBT831

Protection Class: IP66

Material: Aluminum Alloy

Color: Yellow(Customized)

Dimensions: 343 × 294 × 206

Communication Mode: Fiber Optic

  • Product Description
  • Application
  • Why Choose Us
  • FAQ
  • Inquiry

1. Direct access to Ethernet, cross-network segment and cross-route.

2. Digital key dialing, call any terminal to realize full-duplex intercom (default).

3. Calling a call to the area permitted by the permission.

4. The patented design of the phone case is waterproof, dustproof, no need for waterproof cover, beautiful and practical.

5. The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise number and call clear, stable work and other advantages.

6. Aluminum alloy die-cast housing, stainless steel keyboard, explosion-proof PC receiver, zinc alloy fork.

7. 30W*4 output high-quality amplifier amplification, with warning lights, clear sound and bright.

8. Automatic answering function, which can realize paging broadcast.

9. You can set the hotline number and lift the machine to realize automatic dialing.

10. Amplification and earpiece volume can be adjusted through the keyboard.

11. Aluminum alloy die-cast housing, stainless steel keyboard, explosion-proof PC receiver, zinc alloy fork.

12. The surface of the shell is electrostatically sprayed at high temperature, with good antistatic ability and corrosion resistance.

13. The key parts handles, hanging forks and keyboards are all produced by our company. The quality control is strictly controlled, and the reaction speed is fast after sale.

Explosion-proof mark


Power Supply


Standby Work Current


Frequency Response

250~3000 Hz

Ringer Volume


Amplified Output Power


Corrosion Grade


Ambient Temperature


Atmospheric Pressure


Relative Humidity


Lead Hole





Why Choose Us

Certification :SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,
Packing:1 sets/carton, 13kg/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 Service2 Years' Warranty and spare parts are available for maintenance.
ContactTel: 0086-574-58223619, Mob: +86-13858299692

Contact Us

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