Joiwo intrinsically safe telephones

Sound level: 80 dB

... case is patented, waterproof, dust proof, no need for waterproof cover, beautiful and practical; ◆The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise ...

Sound level: 100 dB

... the phone case, 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 the precise ...

Sound level: 80 dB

... of the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 5.Telephone circuits within the integrated circuit using internationally ...

Sound level: 80 dB

Wall Mounting aluminum alloy rugged Explosion Proof ATEX certificated Telephone - JWBT811 Model： JWBT811 Protection Class： IP66 Material： Aluminum Alloy Color： ...

Sound level: 80 dB

wall mounted corded rolled steel bank service utility landline telephone-JWAT202 Model： JWAT202 Protection Class： IP54 Dimensions： 300 × 210 × 65 Material： Cold Rolled Steel Color： Red(Customizable) Communication ...

Sound level: 80 dB

... the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 6.Telephone circuits within the integrated circuit using internationally ...

... special requirements for moisture, fire, noise, dust and frost. 2.Suitable for high noise areas. Product Features 1. The telephone can form an independent communication system with the program-controlled switch and ...

Sound level: 80 dB

Highway Corded Armoured Telephone Heavy Duty Analog tunnel Telephone - JWAT301 The weatherproof telephone is an emergency phone that specifically addresses the harsh environment of ...

Sound level: 80 dB

... strength and strong impact resistance. 3.Vandal resistant handset with Internal steel lanyard and grommet provides added security for handset cord. 4.Automatic dialing. 5.Magnetic hook switch with reed switch. 6.Optional ...

Sound level: 80 dB

... Optic Telephone Sound Powered Vandal Proof Telephone - JWBT830 The explosion proof telephone JWBT830 is an emergency phone that specifically addresses ...