•Device vs Channel

•Interference Power

Table 234: Non-Wi-Fi Interferer Types

Non-Wi-Fi

Description

Interferer

 

Bluetooth

Any device that uses the Bluetooth protocol to communicate in the 2.4 GHz band is classified as a

 

Bluetooth device. Bluetooth uses a frequency hopping protocol.

 

 

Fixed Frequency

Some audio devices such as wireless speakers and microphones also use fixed frequency to

(Audio)

continuously transmit audio. These devices are classified as Fixed Frequency (Audio).

 

 

Fixed Frequency

Some cordless phones use a fixed frequency to transmit data (much like the fixed frequency video

(Cordless Phones)

devices). These devices are classified as Fixed Frequency (Cordless Phones).

 

 

Fixed Frequency

Video transmitters that continuously transmit video on a single frequency are classified as Fixed

(Video)

Frequency (Video). These devices typically have close to a 100% duty cycle. These types of devices may

 

be used for video surveillance, TV or other video distribution, and similar applications.

 

 

Fixed Frequency

All other fixed frequency devices that do not fall into one of the above categories are classified as Fixed

(Other)

Frequency (Other). Note that the RF signatures of the fixed frequency audio, video and cordless phone

 

devices are very similar and that some of these devices may be occasionally classified as Fixed

 

Frequency (Other).

 

 

Frequency Hopper

Frequency hopping cordless phone base units transmit periodic beacon-like frames at all times. When

(Cordless Base)

the handsets are not transmitting (i.e., no active phone calls), the cordless base is classified as

 

Frequency Hopper (Cordless Base).

 

 

Frequency Hopper

When there is an active phone call and one or more handsets are part of the phone conversation, the

(Cordless

device is classified as Frequency Hopper (Cordless Network). Cordless phones may operate in 2.4 GHz

Network)

or 5 GHz bands. Some phones use both 2.4 GHz and 5 GHz bands (for example, 5 GHz for Base-to-

 

handset and 2.4 GHz for Handset-to-base). These phones may be classified as unique Frequency Hopper

 

devices on both bands.

 

 

Frequency Hopper

The Microsoft Xbox device uses a frequency hopping protocol in the 2.4 GHz band. These devices are

(Xbox)

classified as Frequency Hopper (Xbox).

 

 

Frequency Hopper

When the classifier detects a frequency hopper that does not fall into one of the above categories, it is

(Other)

classified as Frequency Hopper (Other). Some examples include IEEE 802.11 FHSS devices, game

 

consoles and cordless/hands-free devices that do not use one of the known cordless phone protocols.

 

 

Microwave

Common residential microwave ovens with a single magnetron are classified as a Microwave. These

 

types of microwave ovens may be used in cafeterias, break rooms, dormitories and similar

 

environments. Some industrial, healthcare or manufacturing environments may also have other

 

equipment that behave like a microwave and may also be classified as a Microwave device.

 

 

Microwave

Some newer-model microwave ovens have the inverter technology to control the power output and

(Inverter)

these microwave ovens may have a duty cycle close to 100%. These microwave ovens are classified as

 

Microwave (Inverter). Dual-magnetron industrial microwave ovens with higher duty cycle may also be

 

classified as Microwave (Inverter). As in the Microwave category described above, there may be other

 

equipment that behave like inverter microwaves in some industrial, healthcare or manufacturing

 

environments. Those devices may also be classified as Microwave (Inverter).

 

 

Generic Interferer

Any non-frequency hopping device that does not fall into one of the other categories described in this

 

table is classified as a Generic Interferer. For example a Microwave-like device that does not operate in

 

the known operating frequencies used by the Microwave ovens may be classified as a Generic

 

Interferer. Similarly wide-band interfering devices may be classified as Generic Interferers.

 

 

607 Spectrum Analysis

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

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Dell 6.2 manual Non-Wi-Fi Description Interferer, Device vs Channel Interference Power
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