@Kevin_Z the firmware is 1.1.2 build 20200212 rel 67183(6765). Mac filtering was turned off. Thxs

I have the same problem with a brand new RE305. Upgrade to the latest firmware version. Able to connect to the 2.4G channel of my SmartRG 515 router only. But cannot connect to 5G channel at all....

Same here ... just got my RE305 and cannot connect to 5G, 2.4G connection is ok. Even updated firware to latest version Very disappointed!! Extender : RE305 v3.0 firmware (1.1.2 build 20200212 REL...