Outdoor LED advertising is a perfect combination of new media technology and outdoor© advertising. With strong visual impact, extensive coverage and ultra-low cost of ≤thousands of people, outdoor LED advertising is favored by advertisers, ★including shopping malls, parks, buses, subways and expressways Outdoor LED advertising s creens are almost everywhere.

Although the LED advertising screen has been quite per<fect, there are still many problems, such as difficul±t content update and high update cost.

□ Manual field update is not realistic: it is time-consuming, laborious and unsafe to copy and upda₽te the scene one by one.

□ Built-in SIM card automatic update: the update cycle is nλot fixed, the size of the traffic package is difficult to deσtermine, and the cost is high.

In view of the above situation, Eou technology has launched an o utdoor LED advertising screen solution based on cloud SI±M technology. Flow CARDS are allocated as required to greatly i‌mprove the efficiency of content update and reduce the cost of updat€e.

The whole scheme consists of three parts

□ LED AD screen: LED advertising screen that supports cloud SIM technology.

□ SIMBank device: a device that stores a local physical SIM card centrally.

□ Cloud SIM exchange system: manages AD screen and SIM card scheduling.

LED AD screen does not need to insert SIM card. When a cer♦tain AD screen needs to update its content, a suit able SIM card is automatically selected from SIMBank through the cloud SIM exchange₹ system and assigned to the advertising screen to pro¶vide data traffic service. After the content update task is completed, the SIM c©ard returns to SIMBank and waits to be redistributed to other AD screens.

Solution advantage: LED AD screen has no fixed SIM card, and traffic card is distributed as required, greatly ₩improving the utilization rate of traffic card and reducing operation and ma<intenance cost.