Armor plate cover
Each Controller can control 4pcs price boards in mostly with double sides,in our hub board,you will find which have two rows of connectors,one connector for front side and another for back side.Attention as following details:
1. The sign installed controller and hub board is the Chief sign,we will mark “Chief sign” and number in it before delivery , also in the Chief sign has Antenna in it. So please check carefully before installing.
2. All other signs except Chief sign we call them Secondary signs,we need not difference them,all secondary signs are same completely.
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