Proxim AP-2000 manual Wireless Communication Range, 802.11b

Specifications

Channel ID	FCC	ETSI	TELEC	IL
	(GHz)	(GHz)	(GHz)	(GHz)
12	-	2.4671	2.467	-
13	-	2.4721	2.472	-
14	-	-	2.4842	-

Note 1: France is restricted to these channels.

Note 2: Channel 14 is only available when using 802.11b only mode.

Wireless Communication Range

The range of the wireless signal is related to the composition of objects in the radio wave path and the transmit rate of the wireless communication. Communications at a lower transmit range may travel longer distances. The range values listed in the Communications Range Chart are typical distances as calculated by Proxim’s development team for FCC-certified products. These values provide a rule of thumb and may vary according to the actual radio conditions at the location where the product is used.

The range of your wireless devices can be affected when the antennas are placed near metal surfaces and solid high-density materials. Range is also impacted due to “obstacles” in the signal path of the radio that may either absorb or reflect the radio signal.

In Open Office environments, antennas can “see” each other (no physical obstructions between them). In Semi-open Office environments, workspace is divided by shoulder-height, hollow wall elements; antennas are at desktop level. In a Closed Office environment, solid walls and other obstructions may affect signal strength.

The following tables show typical range values for various environments for FCC-certified products (range may differ for products certified in other regulatory domains).

802.11b

Range	11 Mbits/s	5.5 Mbits/s	2 Mbits/s	1 Mbits/s
Open Office	142 m	177 m	219 m	272 m
	(466 ft.)	(581 ft.)	(718 ft.)	(892 ft.)
Semi-Open Office	98 m	122 m	151 m	187 m
	(322 ft.)	(400 ft.)	(495 ft.)	(614 ft.)
Closed Office	67 m	84 m	104 m	129 m
	(220 ft.)	(276 ft.)	(341 ft.)	(423 ft.)
Tx Power (dBm)	15	15	15	15
Receiver Sensitivity	-82	-85	-88	-91
(dBm)
Antenna Gain	0 dBi (integrated diversity antenna module; 2.4-2.5 GHz)

Table C-1 802.11b Wireless communication ranges

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