Radio Frequency Ranges; 802.11 Data Rates, Tx Power, Ranges, And Decibel Tolerances - Cisco 8961 Administration Manual

Chapter 6 Understanding the VoIP Wireless Network
Hungary (HU)
Iceland (IS)

Radio Frequency Ranges

WLAN communications use the following radio frequency (RF) ranges:
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•

802.11 Data Rates, Tx Power, Ranges, and Decibel Tolerances

Table 6-2
the receiver by 801.11 standard.
Table 6-2
Standard
802.11a
802.11g
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)
2.4 GHz—Many devices that use 2.4 GHz can potentially interfere with the 802.11b/g connection.
An interferer can produce a Denial of Service (DoS) scenario, possibly preventing successful 802.11
transmissions.
5 GHz—Divided into several sections called Unlicensed National Information Infrastructure (UNII)
bands and has four channels each. The channels are spaced at 20 MHz to provide non-overlapping
channels and more channels than with 2.4 GHz.
lists the Tx power capacities, data rates, ranges in feet and meters, and decibels tolerated by
Tx Power, Data Rates, Ranges, and Decibels by Standard
Maximum Tx
1
Power
16 dBm
16 dBm
Understanding WLAN Standards and Technologies
Peru (PE)
Philippines (PH)
2
Data Rate Range
6 Mbps 604 ft (184 m)
9 Mbps 604 ft (184 m)
12 Mbps 551 ft (168 m)
18 Mbps 545 ft (166 m)
24 Mbps 512 ft (156 m)
36 Mbps 420 ft (128 m)
48 Mbps 322 ft (98 m)
54 Mbps 289 ft (88 m)
6 Mbps 709 ft (216 m)
9 Mbps 650 ft (198 m)
12 Mbps 623 ft (190 m)
18 Mbps 623 ft (190 m)
24 Mbps 623 ft (190 m)
36 Mbps 495 ft (151 m)
48 Mbps 413 ft (126 m)
54 Mbps 394 ft (120 m)
Venezuela (VE)
Vietnam (VN)
Receiver Sensitivity
-91 dBm
-90 dBm
-88 dBm
-86 dBm
-82 dBm
-80 dBm
-77 dBm
-75 dBm
-91 dBm
-90 dBm
-87 dBm
-86 dBm
-82 dBm
-80 dBm
-77 dBm
-76 dBm
6-5