67

67

Troubleshooting

Wireless Compar ison Chart

Wireless
Technology
802.11b G (802.11g) G Plus
(802.11g
with HSM)
G Plus MIMO
(802.11g with
MIMO MRC)
N1 MIMO
(draft 802.11n
with MIMO)
Speed 11Mbps link
rate/baseline
5x faster than
802.11b
10x faster than
802.11b
10x faster than
802.11b
Wired speed
over the air
Frequency Common
household
devices such
as cordless
phones and
microwave
ovens may
interfere
with the
unlicensed
band 2.4GHz
Common
household
devices such
as cordless
phones and
microwave
ovens may
interfere with
the unlicensed
band 2.4GHz
Common
household
devices such
as cordless
phones and
microwave
ovens may
interfere with
the unlicensed
band 2.4GHz
Common
household
devices such
as cordless
phones and
microwave
ovens may
interfere with
the unlicensed
band 2.4GHz
Common
household
devices such
as cordless
phones and
microwave
ovens may
interfere with
the unlicensed
band 2.4GHz
Compatibility Compatible
with 802.11g
Compatible
with 802.11b/g
Compatible
with 802.11b/g
Compatible
with 802.11b/g
Compatible with
draft 802.11n
and 802.11b/g
Coverage Typically
100–200 ft.
indoors
Up to 400 ft. Up to 700 ft. Up to 1,000 ft. Up to 1,400 ft.
Advantage Mature—
legacy
technology
Common—
widespread
use for
Internet
sharing
Enhanced
speed and
coverage
Better
coverage and
consistent
speed and
range
Leading edge—
best coverage
and throughput
section
2
1
3
4
5
6
7
8
9
10
11