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Sound level: 80 dB - 95 dB
... are need amplified telephones with 30W Paging speaker. The telephone with built-in paging amplifier. The telephone speaker with external waterproof speaker. The paging system can speaking with people ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 60, 100 dB
... KNEx6 Explosion proof telephones Explosion proof telephones work as atex equipment made of GRP by die casting. The atex explosion proof telephone is rugged and durable. KNTECH design and manufacture ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 110, 100 dB
... -20℃ to 55℃ VoIP SIP2.0 telephone Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) With built-in amplifier and with external speaker 15-30W With flash light Sound level of ringing:over 100dB Explosion proof telephones ...
HONGKONG KOON TECHNOLOGY LTD
... PoE 802.3af enabled (Power-over-Ethernet) or alternate power source Compatible with most SIP-based IP-PBX servers that comply with SIP RFC 3261 High impact thermoset resin industrial housing and ergonomic heavy duty handset–IP-66 compliant ...
J&R Technology Ltd
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 ...
J&R Technology Ltd
Sound level: 90 dB - 110 dB
... Lift Emergency Telephone is constructed of stainless steel which is completely sealed dust and corrosion protected surface. Four embedded mounting holes to prevent phone be stolen. MAIN FEATURES of VoIP Lift Emergency Telephone ...
J&R Technology Ltd
Sound level: 90 dB
... AUTELDAC ATEX landline telephone Robust and Weatherproof, this phone is designed to withstand the harshest industrial environments. Three direct call buttons (keypad version) Ringer amplification relay included Wall or flat base mounting ...
Sound level: 80 dB
... Anti-vandalism metal button - Hands free operation - Programmable for abbreviated numbering (PPT) - Can be remotely programmed by telephone tone - Nonvolatile memory - On wall mounting, simple installation - 4 x inviolable screws ...
Sound level: 80 dB
... - Cordon spiralé ou blindé Version sans porte disponible - Nombreuses options de signalisation disponible The InduPhone serial phone is an aluminum-mounted mounted wall item dedicated to intensive application and harsh environments (moisture, dust ...
Sound level: 80 dB
Vandal-resistant EasyPhone Easyphone EasyPhone Easyphone is based on a stainless steel front plate and offers light handsfree and speaker for any public space. It is designed to meet the needs of victims of vandalism. Applications: Ideal for schools, ...
Sound level: 80 dB
... IP67. 6.With loudspeaker and flash light. 7.Temperature range from -40 degree to +70 degree. 8.Powder coated in UV stabilized polyester finish. 9.Wall mounted, Simple installation. 10.Multiple housings and colors. 11.Self-made ...
Joiwo Explosion Proof Science and Technology
... Product Features • Waterproof Teleseal Keypad and Curly Cord • Heavy duty industrial volume control handset • Encapsulated circuit boards impervious to water condensation and dust • 16 gauge, corrosion protected, steel enclosure with powder coat finish • ...
... The Loudspeaking Telephone (LST) is a completely self-contained battery-powered communication unit that provides loudspeaker paging and handset party line conversation over a twisted telephone line. ...
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