can all laptops or computers connect with a wireless modem?”
You will need to make sure that you have Windows 98 Second Edition, Windows 2000, Windows ME, or Windows XP on the machines that are to receive the wireless adapters. For the laptop you can get a PCMCIA card (also known as a PC card, not PCM card) or you can get a USB adapter. I would suggest the latter because it is easier to attach an extension cable (often provided with the stick-type of USB wireless adapters) and move the adapter to a location that provides better reception. If you want specific hardware recommendations for your home, I would be glad to give you what advice I can by private message. Generally speaking, though, 802.11b is good for very short range wireless networking, such as on the same floor of a house and no more than about 50 linear feet between router and wireless computer. 802.11g is good for servicing two levels of a house but not good for more than about 60-75 feet in the real world. 802.11n is excellent for servicing an entire home with linear runs up to ab
