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ព័ត៍មាន

អ្នកនៅទីនេះ៖ ទំព័រដើម>ព័ត៍មាន

រចនាសម្ព័ននិងការសម្តែងរបស់ទូរស័ព្ទអាសន្នបន្ទាន់ក្រោមដីដែលមានគុណភាពខ្ពស់

ពេលវេលា៖ 2021-01-19 HITS: 2

Special phone for រថភ្លើងក្រោមដី: This emergency phone is used in tracks, subways, tunnels, etc. The shell is made of aluminum alloy and has a call button, which can prevent violence and external harsh environment. The product meets all European and British telephone standards, and has a waterproof rating of IP65-67. It has good stability in harsh environments.83

JWAT307 (១)


Features of subway ទូរស័ព្ទបន្ទាន់ : 1. Network: GSM Frequency: 850/900/1800/1900MHZ 2G, 3G, CDMA, WCDMA,

   Or IP TYPE

2. Incoming call ringing: through the built-in speaker; 3. Power supply mode: built-in rechargeable lithium battery 9V/14Ah, external solar panel: 12V/30W; 4. Limited time talk time: the length of time can be selected, this function can be selected; 5. Working environment: -30℃~+75℃; 6. Relative humidity: 10%-95%; 7. Built-in lithium battery standby: 21 days, can be extended to 42 days; 8. Standby talk time with built-in lithium battery: 56 hours, can be extended to 100 hours; 9. Failure report: The failure situation is automatically sent through the SMS platform. Such as: low power, card key, abnormal AC power supply, abnormal LED light; 10. External LED lighting, the phone is equipped with smart detectors to identify day and night, the daylight is automatically turned off, and the night LED lighting is automatically turned on; 11. You can choose to dial out after picking up the phone and pressing the speed dial key 3 to prevent children from calling by mistake.

Structure and performance of subway emergency telephone 1)Features:

1. With off-hook automatic dialing function; 2. The dial number can be set or modified arbitrarily according to needs; 3. It has all the functions of ordinary telephones; 4. High destructive resistance, high reliability, waterproof and moisture-proof; 5. Suitable for use in all unattended or manned environments;

2) Application examples

1. Used to call for help on the highway; 2. Used for making section calls on railway or subway; 3. Use for bank teller machines and city convenience stations to call complaint calls and repair calls; 3) Function introduction 1. Customer-specific service hotline; 2. Automatic dialing function. Lift the handset, no need to press a key, it will automatically dial you to the "Customer Service Center" after 3~5 seconds; 3. Manual shortcut function. You can select any button in the following menu according to your needs;

Ningbo Joiwo is specializied in industrial telephone for more than 15 years.

 

And we are research new type telephone based on the 3G/4G/5G industrial telephone.These telephone could be used for tunnel ,marine, oi, gas, dock ,chemical plant ,cement ,jail inmate ,outdoor and so on.

 

 និយាយជាមួយយើងអំពីការបង្កើតប្រព័ន្ធទូរគមនាគមន៍ផ្សេងៗរបស់អ្នក។

 

Ningbo Joiwo Explosionproof  សូមស្វាគមន៍ចំពោះការសាកសួររបស់អ្នកយ៉ាងកក់ក្តៅដោយមានជំនាញស្រាវជ្រាវនិងអភិវឌ្ឍន៍និងវិស្វករដែលមានបទពិសោធន៍ជាច្រើនឆ្នាំយើងក៏អាចរៀបចំដំណោះស្រាយរបស់យើងដើម្បីឆ្លើយតបនឹងតម្រូវការអាជីវកម្មជាក់លាក់របស់អ្នក។



ចុះឈ្មោះនិងរក្សាទុក!ការផ្តល់ជូនអ៊ីម៉ែលផ្តាច់មុខនិងពិសេសការបញ្ចុះតម្លៃពេលវេលាមានកំណត់