- CPU Cores:
- CPU MHz:
More the better (above 700 Mhz recommended)
Minimum 32 MB (more is better)
More the better (above 256 MB recommended)
- Dual SIM on-board:
Should work at same time active-active together
- WiFi Availability
What do you mean with "custom hardware"? Do you want to actually build something yourself?
Otherwise check out the PCEngines APU3. I don't know how well dual-SIM is supported on OpenWrt, but the APU2 boards work just fine.
yes i want to build my own router