Wifii Beacon Receiver with Motorola

Problem is about the network connection of Beacon Receiver,
We can connect to two kinds of ADSL Modem one model is AIRTIES and the other is TP_LINK modems. We can take the receivers to the network with these ADSL Modems no problem. But the problem is with the accesspoints, the models are MOTOROLA and CISCO. Also the firmware of the MOTOROLA and CISCO is the last version. The beacon receiver cannot connect to the MOTOROLA AccessPoint. Any way to solve the problem?

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