What is the difference between a data card and an usb modem?
yes
Nothing. They are both modems (MOdulator/DEModulator).
A USB modem plugs into your USB port.A "normal" modem plugs into your RS232 port or your parallel port.
a wireless router is needed when internet modem doesn't have wireless capability.
54
Port speed is how fast the computer talks to the modem. Modem speed is how fast the modem talks across the phone line to the other modem.
It is $%&*()@&(%&(*&#!()%
An internal modem is housed within the main computer. An external modem is on the outside of the computer and connected to the computer with a cable.
There is a difference if you are using a low quality router. For good routers you will not notice any difference. Usually there is no difference at all.
Telephone is Cat3 while the cable coming form the modem is Cat5
Usually a cable modem is about 30 mbps and DSL can up to 768 kbps.
No its not but we can convert it in to a wifi connection by connecting our modem to wireless router i.e 802.11g .