Os mio wifi not working properly

    Brand new reciever and the wifi is only picking up 2 of the 3 wifi networks in range. Of the ones it does pick up it shows a signal of -256dbm, no encryption and a max bitrate of none. The only information that is correct is the ssids. I tried swapping the antennas in case one was faulty. Is there anything else I can try to solve this?

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