Active Member
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[China]
Address: Floor 3, No. 39, Longyan 2nd Road, Humen Town, Dongguan,Guangdong,China
Phone: 86-769-33357430
Contact name:Yam
TA-RF Security Electronic Technology Co.,Ltd |
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Function:
1. Each one can intercommunicate with other three extension phones.
2. With record function
3. Storing device: USB mobile HDD
4. Three extension phones, communication distance between master phone and extension phones >8km
Instruction:
1.Extension phone : with 511 portable extension phone.
2. Master phone: including 3 parts: four-way module, intercom module, audio module,
the three modules connected together by 2.5mm or 3.5mm audio cable.
3.Intercom: upgrades on the market , communication distance up to 8-10KM (Note: the intercom must have the function of controlling the master output level)
4. Operation process: A.As soon as power on and turn on, master phone and extension phone can communicate immediately. When intercom calls initiatively ,it establishes communication with extension phones by master phone. The intercom can hear what each extension phone said. At the same time, each extension phone can hear what the intercom said to other extension phones.
In the status of calling,the record switch can be turned on by intercom I/O controlling output level , then start recording.If turn down, then stop recording. Audio files will be stored on USB removable hard disk.
B. As soon as power supply, extension phones intercommunicate synchronously
Features:
1.Communication distance : Extension phone to master phone: 200-300M at the open area.
Extension phone to extension phone: 200-300M at open area.
Master phone to intercom: 8-10KM at open area.
2. With record storage function.
3.power supply: Extension phone: 3.7-4.2V rechargeable lithium battery
Master phone: 12V rechargeable storage battery
