super glue
a router with relevant different interfaces
To explain it very simply, media converters are used when one needs to connect or link two different media devices that have different port entrances.
Verizon Phone has a very advanced 4G network which allows you to nearly get network connect any where in your country which is very hard to find with most networks.
Gateways
Infrared can't be used as a technology for wireless networks because of its slow speed and limited functionality. Infrared is used for wireless communication at very small level.
The most reputable celluar data network is highly debatable as different companies offer services to suit the needs different people. Some very good networks providers are: AT&T, Verizon, Orange, Tmobile, O2, Virgin.
The notation 802.11 bg means that your device can connect to both 802.11 b and 802.11 g wireless networks. At this point in time, 802.11 b is not used by very many networks, 802.11 g is still in use in some networks, but the newer 802.11 n has been installed in a great number of places due to its increased range.
just buy a slot which connect two these are used in primary and secondry schools
PAN
Typically you would need a gateway for this purpose, because the protocols are very different. In my HP server, for example, I have two NIC cards; one of the NICs connects to a Token Ring network and the other connects to an Ethernet network. The software in the HP server (gateway) manages the translation between the two different types of networks.
Mac filtering is most efficient with wired networks. It is not very efficient with wireless networks, because hackers can very easily eavesdrop on you.
No it is not because wifi and bluetooth use two different wave lengths. There by rendering them very different beasts and not cross compatible.