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What is the difference between UHF and VHF frequencies?

Frequency Bands for Wireless Microphone Systems Every wireless microphone system transmits and receives on a specific radio frequency, called the operating frequency. Allocation and regulation of radio frequencies is supervis...


Troubleshoot wireless mic dropouts

Dropouts in wireless mics can be caused by many things, including antenna placement, bad antenna cable, antenna distribution problems, frequency selection, interference, etc. Troubleshooting dropouts will be a process of tri...


Five Mistakes to Avoid When Using Wireless

While wireless systems have freed performers from the bonds of cords and cables, they've unleashed a number of headaches for the sound crew. Getting a wireless system to behave predictably is a challenge faced by touring prof...


Reserved TV channels and registering wireless mics

Background After the 700 MHz auction in 2009, many unoccupied TV channels are shared between wireless microphones and white space devices (WSD's). A WSD can only transmit on TV channels that are unassigned to a TV station ...


Coordinate existing wireless using Wireless Workbench 6 tutorial

The Wireless Workbench 6 (WWB) software can be used to coordinate frequencies for your systems. Wireless Workbench 6 can be downloaded for free and works on both Windows and Mac. This tutorial will explain how to perform fre...


Help me find the frequency band on my wireless mic

The band information is printed on every transmitter and receiver.  Depending on the model number, the band information could be on the front, the back, the bottom, or inside the battery compartment. The band will be similar...


Which television stations should I avoid when using a wireless microphone?

Many professional wireless microphones use the same frequencies as broadcast television stations. Direct conflict with a TV signal causes short range or dropouts. Though it is not possible for an wireless mic ...


What is intermodulation?

This is a excerpt from Selection and Operation of Wireless Microphones. Frequency Selection Selecting the operating frequency of a wireless audio system is a two-step process: first, choose an appropriate radio frequency b...


Selecting bands/channels for new wireless systems using Wireless Workbench 6 tutorial

If you are only needing a few channels, often the online Frequency Finder can be used to determine which band to purchase. For larger wireless setups, the Wireless Workbench 6 (WWB) software can be used to coordinate frequencies ...


Adding or editing equipment profiles in Wireless Workbench tutorial

Wireless Workbench v6.12 includes equipment profiles for several other manufacturers. However, at times, it might be necessary to add a new profile or edit an existing profile. Custom profiles allow you to adjust coordinatio...


RF spectrum analyzer

Consider the spectrum analyzers from WiNRADiO. And from: http://usbspectrumanalyzer.com/rfviewer/


Online Intermod Calculator other than Shure's

Here is a web site with an IMD program: RF Intermodulation Calculator The Shure software is Wireless Work Bench: Shure Wireless Work Bench


PGX Digital Frequency Groups / How To Use Them

The PGX Digital is available in different frequency groups, depending upon the wireless laws in each country. The most common frequency band is X8: 902 - 928 MHz. This band is used for the United States, and other countries. ...


FCC Reallocation of 698 to 806 MHz in the United States

The FCC conducted spectrum auctions in the 700 MHz band (actually 698-806 MHz). The auctions were conducted in two phases, dividing the spectrum into two groups, "upper" and "lower" 700 MHz bands. Additionally, a portion of the 7...


Choosing Frequency Bands for Performance Gear Wireless

Performance Gear (PG) wireless microphone systems are tunable over a 12 MHz range, the equivalent of two U.S. television channels. To successfully find a clear operating frequency, you must have at least one of the two television...


Which wireless is affected by the June 2010 wireless microphone regulations?

The systems that are most affected are: UHF Series (U4S, U4D) - UA and UB band only UC Series UP Series UT Series (only frequencies above 700 MHz) MX692 PSM400 - HF band only PSM700 - HF band only The above ...


Selecting Groups/Channels for the "X" bands (900 MHz)

The X52 band is in the 900 MHz unlicensed spectrum. Unfortunately, since it is an unlicensed area, it is not possible to predict which Groups and Channels are best for a particular location. Traditionally, wireless microphon...


ULX-D High Density Mode

High Density mode creates additional bandwidth for more channels in crowded RF environments. Frequency efficiency is optimized by running at 1 mW RF transmit power and narrowing the modulation bandwidth, allowing for the channel ...


ULX Wireless Master List

J1 band User Guide Supplement M1 band User Guide Supplement Master List information is at the rear of each link above. The G3 band supplement does not have this table.


Share Axient Spectrum Manager Scans

Sharing the scans from the Axient Spectrum manager can be useful. If you are traveling to an area where we already have a scan, you can load that scan into WWB6 to calculate frequencies in advance. Here are scans that we hav...


ULXD Interference Sources in the 900 MHz Band

In the United States, the ULXD-X52 operates in the 902 to 928 MHz band.  Though this band is not used for broadcast TV, the 902 to 928 MHz band is used for other non-licensed wireless devices; the band is not reserved o...


Which frequencies did the T, LX, SC, and EC series use in the U.S.?

That depends on the wireless series. The tables below shows what frequencies were used on our different VHF systems in the United States. International versions may vary. Note that you cannot use all available frequencies at the ...


PSM 900 U.S. Frequency Ranges

U.S. prime frequency ranges: G6: 470 to 506 MHz G7: 506 to 542 K1: 596 to 632 (Discontinued) L6: 656 to 692 (Discontinued)


ULX-D in the 900 MHz band

Introduction date:  July 2015 Frequency band X52 (902 - 928 MHz) for North America, Central America, and South America except Brazil Frequency band X53 for Brazil (902 - 908 MHz and 915 - 928 MHz) * This ...


Will Shure change or modify my 700 MHz wireless system?

After June 2009, the 700 MHz band (698 MHz to 806 MHz) in the United States is no longer used for over-the-air television broadcast, and these frequencies have been reallocated and sold for new wireless communication services. Th...


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