two 2011 down, port remapped and updown loop
two 3011 down, port remapped, freezes
HEX works but freezes

Compatible is "Tada.wav" Megafon M100-1 for Russia. Its old lte modem, but works fine.

I try 1K6E MF823 M626 8372 data transfer works fine, but I need SMS send and receive, maybe anyone know compatible modems? P/S 626 SMS work fine on HAP ac lite, on 3011 not work, and after reset router, goto boot loop. Please help me.

I make mac address accsess list + dhcp lease time 2:00 hour. Its works fine.

Frist DHCP lease time -> 8 hours its works without disconnect