The PV setup is too small/weak to support an very cheap and basic off grid WISP setup, even a very basic one, one small panel of that size won't handle the mid

The PV setup is too small/weak to support an very cheap and basic off grid WISP setup, even a very basic one, one small panel of that size won't handle the mid winter cumulative kWh in one month from even two small PTP 5 GHz band 5W load radios and one 5W Mikrotik router (15W 24x7 for a month). Whatever it is has to be very low power or spend a lot of time in sleep mode.