MS (Distribution) UK Ltd. - Antenna and Wireless FAQ

Following inadequate service from thawte our site is now properly protected by

Order number: MSD236109 User: Not logged in

Antenna

Wi-fi Radios & Amps

Cables & Connectors

VOIP

Accessories

Bargain Basement

Support - Wireless FAQs

These are some of the questions we are often asked, with links to our Glossary page for the answers.

1.	How much power can I transmit and still be legal?
2.	How do I check how much power I am transmitting?
3.	What distances can be achieved?
4.	Are wireless networks secure?
5.	What different types of antenna are available?
6.	Which type of antenna do I use in which situation?
7.	What type of cable should I use for my antenna?
8.	What's power over ethernet?
9.	Where can I find out about the Regulations and Licencing?
10.	What's 'gain' and why does an antenna have it?
11.	What's 'ad hoc' mode?
12.	What's 'infrastructure' mode?
13.	What's 'bandwidth?'
14.	What's 'beamwidth?'
15.	What's 'WDS?'
16.	How many channels does 802.11a use and what are their frequencies?
17.	How many channels does 802.11b/g use and what are their frequencies?
18.	What connectors are used to join antenna cables?
19.	What's a 'decibel?'
20.	What's 'front to back ratio' and is it important?
21.	What's the difference between point to point and point to multipoint?
22.	What's the difference between an Access Point and a Bridge?
23.	What's a 'side lobe?'
24.	If I can see another antenna, does that mean I have got 'Line of Sight?'
25.	What is Near Line of Sight?
26.	What's 'diversity?'
27.	Are there restrictions on what size dish I can put up?
28.	What's Leaky Feeder?
29.	How do I calculate the transmit gain?
30.	How do I calculate Free Space Loss?
31.	How do I calculate Radiated Power?
32.	How do I calculate System Operating Margin?