1.1. WiFi Wireless Control
The system takes the mobile end (mobile phone, IPAD) as the control end, realizes the remote wireless control screen for the first time, all of its functions can be realized by touch screen control, 0 seconds switch not to be stuck. Really discard the traditional keyboard, mouse, software instead of hardware.
Working principle: Through the installation of wireless routers or other wireless equipment, and users of the original wireless network bridge, build wireless LAN, convenient network control card into the wireless network, wireless network control.
Features: No wiring, easy installation and debugging, data transmission speed.
Required Equipment: Network bridge, wireless router (on the display screen is best to select the device to swap antenna, which can effectively receive the wireless signal).
Disadvantages: The communication distance mainly depends on the gain ability of the network bridge, the communication distance of no line is short, the partition signal is weak or there is no signal. Suitable for a short distance wireless signal location. If your display area is already wireless signal coverage, it is much simpler, only the LED display and the LED Display control card connected to the wireless router bridge to your wireless network, you can control the screen on any computer in the intranet.
1.2, RF Wireless control
Working principle: RF Module one end to control the computer, the other end to the control card serial port, computer installation driver, the production of a virtual serial port, and through this serial port to send data.
1.3. GPRS Wireless control
Working principle: GPRS module after the completion of dial-up access to the process, connected to the data center server, customers through the client software to access the server, information forwarded by the server.
1.4, 4G total Netcom Wireless control
Working principle: basically same as 3G/GPRS.
Features: 4G full-netcom (China Mobile, Chinese Unicom, telecom full range of support), fast transmission speed, fully realized real-time control, sending instructions can respond to the relevant control instantaneously.