While trying to figure out why my MT1300 does not show my 5G wifi I found out that when I enable channel 12 and 13 (all channels) for 2.4G on my router, MT1300 does not find my 2.4G wifi either !
So maybe try playing with enabled/disabling channels on your router.
I am still looking for a fix for 5G, tried different settings but no luck. MT1300 does see other 5G wifi just not mine.
Anyways something that is advertised as travel router should be able to find 2.4G and 5G wifis regardless of setting, as one usually has no access to e.g. hotel routers to change some settings