- Health - Safety - Environment >
- Building Security and Machine Safety >
- Subway telephone
Subway telephones
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... Overview
- VoIP WiFi weatherproof telephone, model KNSP-01 WiFi (VoIP model SP0010032), aluminium alloy die-cast enclosure, IP66.
Key features
- VoIP SIP 2.0 with DTMF support (RFC 2833,
HONGKONG KOON TECHNOLOGY LTD
Sound level: 70 dB - 220 dB
... programmable buttons
HONGKONG KOON TECHNOLOGY LTD
... Basic Info
- Model: KNZD-87
- Size: 350*400*163.2(mm)
- Material: not specified
Telephone Description
- Full duplex communication.
- Supports access to two-wire/twisted pair
HONGKONG KOON TECHNOLOGY LTD
Sound level: 100 dB - 120 dB
... rugged ip phone are widely used for tunnel and subway. the rugged ip phone is strickly tested by salt spray test for 4 days to 4 weeks. KNTECH provide complete communication system including Voip telephone and analogue ...
HONGKONG KOON TECHNOLOGY LTD
Sound level: 85 dB
... KNZD-53 Auto dial Telephone We are the manufacturer of Dust and water proof telephone anti-knocking mining telephone waterproof emergency telephone for fire alarm zone and jail . Product ...
HONGKONG KOON TECHNOLOGY LTD
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
... - Protection index: IP66 -25 ° to + 65 ° C - 3 direct memories (M1, M2, M3) - Sound volume of the ring 90 dB (3 different sound intensity levels) - Option: autonomous GSM version with solar panel Housed in a cold rolled steel case and manufactured ...
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