领导特委会

Description 1. Synopsis With our own GSM/GPRS/CDMA DTU inside the LED display, the common LED display become a wireless LED display, this DTU utilizes GSM/GPRS/CDMA communication net to realize long-rang control and management through control center. It can transmit data fast and correctly without the limits of district, distance and cable. 2. Wireless LED display system Structure of wireless LED display system This system is made of LED display with GSM/GPRS/CDMA DTU, data publising center(control and manage software+special sending DTU). 3. Features According to different network, wireless LED display can be classified into 3 types: GSM display, GPRS display, CDMA display. These displays have following features: Several methods to publish: Choose different method to renew message as per different communication net. Such as by special sending website in Internet, by computer through special sending DTU or by mobile phone Support indoor, semi-outdoor, outdoor single color, double-color display. Support numbers, English, Chinese and simple picture (Note: GSM only can transfer SMS text format). Support point to point, point to multi-point. Support single point and grouping sending through accordant sending software. Save old messages automatically and display all messages after energizing again. Modularized design, convenient to install and maintain (not need to lay the communication cables). Abundant information display mode, each information can define its display mode and residence time, can be flexible arranged by users. Set encryption to guarantee the information security. Such as adding identify code and verify code before sending information or only receive the special-purpose number. 4. Application Government and other administrative institutions can utilize the wireless LED display to release information of government affairs , public information , etc. ; Public transportation system can utilize wireless LED display at bus, bus change stop to release commercial advertising , new , weather report etc.; Publish traffic oriented information in road and high-way. Weather department publish weather information, such as weather forecast, calamity, agriculture and forestry knowledge. Commercial field can publish advertisement in Commercial Street, market, shop and large scale trading market. Enterprises of diet use it to issue congratulation words in wedding, broadcast some advertisements (such as food , vegetables , beverage , drinks , cigarette); Also can be used in cinema, theatre, chain drugstore to broadcast advertisement information.