Network Communications

SFP-GE-S 1000BASE-SX 850nm MMF 550mSFP-GE-L 1000BASE-LX 1310nm SMF 10kmSFP-GE-Z 1000BASE-ZX 1550nm SMF 80kmWe are professional provider of optical communication products used in telecommunication systems and data communication networks from China. We can

　　1X1optical switch(OSW) features low insertion loss, low driving power, small size, and high switching speed. The switch is designed for use in optical fiber communication networks and measurement instruments. The switch consists of one por

Descriptions:No dial emergency telephone are widely used in elevators, residential areas, schools, stations, subway and other local call emergency call, the stainless steel material with good waterproof explosion-proof performance, embedded installation.C

Tunnel emergency telephone specifically design for various types of tunnel wet environment, good waterproof effect, one-touch dialing, simple operation. It is mainly used for highway tunnel, subway, tunnel, mine passage, such as unattended area when emerg

No dial emergency telephone are widely used in elevators, residential areas, schools, stations, subway and other local call emergency call, the stainless steel material with good waterproof explosion-proof performance, embedded installation.1, can be stor

Expressway emergency telephone in tunnel when accident or a vehicle breakdown, can accurately, rapidly call to highway management departments. In order to improve the system reliability, the system uses optical fiber transmission. The emergency telephone

SPQ-M-KT6 is installed in the seal waterproof box, can be used outdoors. Suitable for parks, scenic spots, station, wharf, pedestrian street and other public places to do service telephone, call for help, can also be installed in the expressway tunnel for

1. Robust aluminum alloy die-cast body, Vandal resistant and tamper-resistant hardware, and simple installation.2. Can use in a strong noise environment3. Door cover: orient automatically and good self - closing, convenient for use.4. Works with any s

1. Robust aluminum alloy die-cast body, Vandal resistant and tamper-resistant hardware, and simple installation. Shell material is 1.5mm thick steel plate, ASB project is expected to handle, zinc alloy keypad, zinc alloy hook, rugged and durable, able to

1. Robust aluminum alloy die-cast body, Vandal resistant and tamper-resistant hardware, and simple installation.2. WEATHER-PROOF! The highest level of waterproof in china IP673. Door cover: orient automatically and good self - closing, convenient for