Working hardware: equip with HD-C16C 4G version or GPS version each LED display
Working software: HDPlayer, Huidu cloud platform www.led-cloud.com
Two ways to achieve multi-screen playing same images at the same time:
1. Use NTP by 4G Internet time correction synchronization
No limit for Distance and place; Time synchronization more precise; Need additional network traffic charges
2. Use GPS satellite time correction synchronization
No limit for distance; No need network traffic charges; Better for outdoor use; need equip with GPS module
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