
When
we are talking about Wireless networking we have in mind
radio communication between two or more points. Majority
of Manufacturers use standard network protocols (802.1b,a,g,
Open Air, etc.), based on their own technical solution for
radio communication in accordance with local regulations
for each market. For this purposes most common use frequencies
band is from 2.4 GHz to 2.483 GHz performed in:
DSS, Direct spread spectrum and
FHSS, Frequency hoping spread spectrum technology.
Without
intentions to make confuse in readers head, we think that
every of mentioned solution have their own key point which
determine their use, and briefly they can be define
FHSS
technology (BLUETOOTH)
-
Us non linear power amplifier they have higher power consumption.
-
Higher security level, channel surveillance is impossible
because of internally estimated frequency shift.
-
Longer rage
-
Lower transmission rate in same range compare to DSS technology
DSS
technology (802.11 b, a, g)
-
Use linear amplifier with higher power consumption (very
important for use with handy terminals)
-
No matter signal is encrypted surveillance is possible because
signal is continues on chosen frequency
-
Short range
-
Higher transmit ion rate in same band compare with FHSS
technology.
As
Distributor for a leading, world well known, Company Proxim,
CHIP is able to offer to our market complete solutions for
all demands and we already have certain realization in praxis.
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