What are the advantages and disadvantages of the wireless LED control card?
Every day ordinary LED display screens need to be operated by a computer to replace pictures and texts. Sometimes it’s really troublesome to make changes but can’t find the computer. But mobile phones are different, everyone will carry them with them. Thus the wireless LED display control card was born.
The wireless LED control card is the LED display control card of wireless information transmission technology. It can be divided into six categories according to the wireless transmission mode, among which the most widely used are GPRS control cards and GPS control cards. Outdoor LED display can choose the control card category according to the actual operation project.
Types of wireless LED control card
Every day ordinary LED display screens need to be operated by a computer to replace pictures and texts. Sometimes it’s really troublesome to make changes but can’t find the computer. But mobile phones are different, everyone will carry them with them. Thus the wireless LED display control card was born.
The wireless LED control card is the LED display control card of wireless information transmission technology. It can be divided into six categories according to the wireless transmission mode, among which the most widely used are GPRS control cards and GPS control cards. Outdoor LED display can choose the control card category according to the actual operation project.
Types of wireless LED control card
1. GPRS wireless LED display control card
The GPRS wireless LED display control card mainly uses the GPRS flow network of the mobile phone card to send programs and manage the LED display. The control system is mainly used in taxi LED display, bus LED display, China Sports Lottery, Fucai Mentou LED display, weather station LED display and other systems.
In each control card, you need to insert a mobile phone card, which will generate Internet traffic charges every month. Generally, a monthly traffic of 3 to 10 yuan is enough for an advertising LED display.
Its characteristic is: Can send program or advertisement information to many display screens at the same time, can carry on the centralized management to the display screen!
Advantages: not limited by distance
Disadvantages: monthly traffic costs of 5 to 10 yuan will be incurred.
2. RF short-range wireless LED display control card
The RF control card adopts the RF wireless communication technology. An RF wireless module is added to the ordinary LED control card, and a wireless LED module is added to the computer to realize the RF communication between the computer and the control card.
Advantages: no additional cost, compatible with most serial LED control cards on the market!
Disadvantages: The transmission distance is limited, and the control card in a small range is mainly used.
3. Infrared remote control input control card
Infrared remote control on-demand control card uses pre-input, then remote control or button module page to switch on-demand to control the display. Usually used for road administration, police, law enforcement and other vehicles.
Advantages: No other additional costs, strong compatibility, can switch content arbitrarily in the car. Disadvantages: The pre-input method is relatively single, and the remote control distance is limited.
4. LED SMS control card
It is the LED display control card that changes the content of the displayed program by sending text messages to the LED display control system.
Mainly based on the way of sending text messages, or through the GPRS network way to modify the content of the display, such applications will be more and more!
Advantages: wireless SMS sending, modify the display content anytime and anywhere.
Disadvantages: SMS fees will be charged for each SMS command.
5. GPS wireless control card
The GPS control card is based on the wireless GPRS control card, which adds functions such as vehicle positioning, track playback, electronic fence, speeding alarm, robbery alarm, fuel and power failure, voice call, camera monitoring, remote scheduling, etc.
Advantages: wireless content transmission has no distance limitation, and a wealth of additional functions can meet the needs of most customers
Disadvantages: monthly traffic costs of 3 to 10 yuan will be incurred. The cost increases, and the price of the control card is slightly higher.
6. WIFI wireless LED control card
WIFI wireless LED control card, as the name implies, is an LED control card that uses WIFI wireless signals to transmit data.
Advantages: wireless WIFI communication, no other costs. Both PC and mobile phones can be operated, which is convenient and simple.
Disadvantages: Only limited to short-distance communication, need to connect to WIFI network.