I use a router with our smartbro subscription.
Ang alam ko lang, smartbro registers your MAC address in their network. If you use a router, just spoof your desktop's MAC address on your router. Procedure depends on the router you are using.
Sa min we have 3 laptops, a desktop and 3 maybe 4 portable wifi devices (phone/ipods). Di naman sabay sabay na kumokonek, pero ang pinaka loaded na setup is 2 laptops and 2 wifi devices. Okay pa rin ang internet connectivity sa min.
It's pretty late but ihth
