Well, it looks like RT-AC1900U (H/W ver.B2, MFG.Y:2018) is very similiar to RT-AC66U_B1 - the details are below.
Antennas are not detachable.
Upgraded with the latest Merlin's v384.8_2 without any problems - works fine 8)
# cat /proc/cpuinfo
Processor : ARMv7 Processor rev 0 (v7l)
processor...
i've got 120/10 plan.
the modem is Cisco EPC3212.
my RT-N16 gives 116/9.8 easy.
ps.
i use john9527's LTS fork - just upgraded to v374.43_2-22E2j9527
highly recommended :D
just upgraded my RT-N16 to v374.43_2-22E3j9527 - so far so good..
the only thing that bugs me is NVRAM usage: 29612 / 32768 bytes (90% utilized)
i use MAC filter list, DHCP list and DNS Filtering.
top 20 is below - any ideas what could i do about it?
size: 29612 bytes (3156 left)
1089...