J&R Technology tunnel telephones

Sound level: 110 dB

... This product has the following explosion protection: Explosion-proof Telephone: II 2G Rx e ib [ib] mb IIC T6 Gb III 2D Ex ib [ib] tb IIIC T135 ° -40 °C ≤ Ta ≤ +60 °C/+40°C Zone 1, 2, 22 Explosion-proof Beacon: AC220V/50Hz reated ...

Sound level: 80 dB

... communications to provide a completely standalone telephone installation. The 3G phone greatly reduces installations costs by eliminating running wires. This weatherproof telephone is very popular for Tunnels, ...

Sound level: 80 dB

... : No ingress of dust; complete protection against contact (dust-tight). Heavy Duty VoIP Telephone/Outdoor Industrial Telephones As a weatherproof telephone, it is fully contained within a corrosion ...

Sound level: 80 dB

... JR103-CB VoIP Industrial Telephone WIFI SIP Phone is fully contained within a corrosion resistant cast aluminium weatherproof case with a door providing complete protection against dust and moisture ingress. The inner ring of the cover ...

Sound level: 75 dB - 90 dB

... This Water Proof Telephone with Flashing Beacon is fully contained within a corrosion and vandal resistant cast aluminium weatherproof case with a pivoted door providing complete protection against dust and moisture ingress, resulting ...

Sound level: 80 dB

... against dust and moisture ingress, resulting in a highly reliable product with a long MTBF. This weatherproof telephone is very popular for Tunnels, Mining, Marine, Underground, Metro stations, Railway platform, Highway ...

Sound level: 80 dB

... The JR100 series Tunnel telephones are fully contained within a corrosion resistant cast aluminium weatherproof case and cold rolled steel faceplate with a door providing complete protection against dust and moisture ...

Sound level: 80 dB

... : that is not affected by weather; that protects the telephone from wind, rain and other adverse weather conditions Metal Bodied Weather and Vandal Resistant Telephone As a weatherproof telephone, ...

Sound level: 80 dB

... Definition IP67: No ingress of dust; complete protection against contact (dust-tight). IP67 Telephone,weatherproof Industrial telephone As a weatherproof telephone, it is fully contained within ...

Sound level: 85 dB

... Weatherproof: that is not affected by weather; that protects the telephone from wind, rain and other adverse weather conditions Heavy Duty Telephone/Emergency Telephones As a weatherproof telephone, ...