China explosionproof telephone manufacturer & supplier

VoIP heavy duty waterproof telephone standard SIP protocol weather resistant

PT-IPFS1

VoIP heavy duty waterproof phone
Industrial waterproof telephone
Waterproof and dustproof telphone
Auto shut-off door telephone
Anti vandal phone

2017-12-18

GSM SOS call box support one push to call wireless handfree design anti resistant

PT-M-WMT1

Wireless emergency mining telephone
GSM emergency telephone
One push to talk emergency telephone
Waterproof and corrosion resistant
Eyecatching

2017-12-18

GSM public courtesy waterproof telephone

PT-M-KT3

Handsfree weatherproof service telephone
Standard analog hotline telephone
Bank service telephone
Anti vandal ability
Auto dial function supported

2017-12-18

VoIP industrial explosion-proof telephone all weather resistant support SIP protocol

PT-IPFS2

The industrial explosion-proof telephones are designed to provide safe, reliable communication for both indoor and outdoor hazardous areas, featuring

2017-12-08