According to official datasheets and certification reports, the : 1GHz MIPS24Kc SOC. Memory : 128MB Flash and 128MB DDR RAM. Wireless Performance : 2.4GHz : Up to 300Mbps (802.11b/g/n). 5GHz : Up to 896Mbps (802.11ac Wave 2) with MU-MIMO support. Interfaces : 1x Gigabit WAN port and 4x Gigabit LAN ports.
In 2021, FiberHome released several firmware iterations for the SR120A series aimed at improving stability and security protocols. The version numbers typically follow a structure like RP.rls1.2610.10 or similar, often starting with V3.0 or V4.0 depending on the hardware revision. fiberhome sr120a firmware 2021