Question about Symbol Spectrum24 AP 4121 802.11b
Spectrum24 802.11 or 802.11b?
thanks very much!
I'm afraid you need to clarify:
If you refer to (old) Specification 802.11 — it applies to wireless LANs and provides 1 or 2 Mbps transmission in the 2.4 GHz band using either frequency hopping spread spectrum (FHSS) or direct sequence spread spectrum (DSSS). you can compare with 802.11b (also referred to as 802.11 High Rate or Wi-Fi) — an extension to 802.11 that applies to wireless LANS and provides 11 Mbps transmission (with a fallback to 5.5, 2 and 1-Mbps) in the 2.4 GHz band. 802.11b uses only DSSS. 802.11b was a 1999 ratification to the original 802.11 standard, allowing wireless functionality comparable to Ethernet.
But as suggested by ricerz from Wikipedia:
IEEE 802.11 is a set of standards implementing by apple wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz spectrum bands. They are maintained by the IEEE LAN/MAN Standards Committee (IEEE 802).
You cannot compare 802.11 with 802-11b: 802-11b is an implementation of part of the 802.11 standard.
You can compare: 11a (using 5Gh band) with 11b (using 2.4 Gh band)
You can compare 11 b with 11g or 11n standard. and select according to environment.
As per my personal experience Industrial or hostile installation was frequently done using 802-11A (less interferences, 54 Mb bandwith) new N standard with a peak of 300 Mb is now changing the scenario.
New accessories: Boosters, external antenna, WDS protocol to bridge WLan router, and new long range Wi-Fi are continuously changing performance, results and configuration
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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