Product Code: AUATW2110/G-F
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Automatic frequency scanning finds an open channel at the touch of a button on 840.000 - 865.000 MHz (F Band).
True Diversity operation selects the better signal from two independent receiver sections, reducing dropouts
Tone LockTM tone squelch system fights interference
Rugged metal half-rack receiver with soft-touch controls and LCD display featuring RF and AF metering
Balanced XLR and unbalanced 1/4" output jacks enable use with a wide variety of audio gear
Includes rack-mount kit and detachable UHF antennas
Ground-lift switch helps eliminate audible hum caused by ground loops between the sound system and receiver
Information Resource and FAQ's - Wireless Microphone Frequency Guide
There have been many questions surrounding the 2012 digital switchover and its effect on Wireless Microphone Frequencies across the UK. To help clarify some frequently asked questions, A.C. Audio have put together a source of reference with the current plans from Ofcom.
If you have any queries about these upcoming implementations, we are on hand to discuss your individual circumstances and will be a source of unbiased advice. As a distributor for all major wireless equipment brands, we will endeavour to advise the best course of action that will ensure minimal disruption during the digital switchover.
Which frequency ranges have been affected?
Frequencies 854-862 MHz (TV channel 69) has been allocated elsewhere, making the use of radio mics and wireless systems illegal to use on this frequency.
Which frequency range is free to run wireless systems on?
Frequency band 863-865 MHz (Channel 70) is deregulated and does not require a license. If you plan on running more than four wireless systems at one time it’s recommended you use frequency band 606-614 MHz (Channel 38) which will require a license.
470-550 MHz (TV channels 21 to 30) and 614-790 MHz (TV channels 39 to 60) will be available for wireless microphones on a secondary use with Digital Terrestrial Television (DTT) and on a license basis (called: "interleaved spectrum: spectrum between TV transmitters that cover only regions").
The VHF band 174-216 is not yet affected by the Digital Dividend, and there is some interleaved VHF spectrum availability. There are three frequencies within the VHF that can be used license free - 173,800 MHz, 174,500 MHz and 175.000 MHz.
Because the new IMT services use an up and down link and these need to be separated to overcome interference, the band 790-862 MHz will be split in 2 parts of 30 MHz. In the middle will be a "Duplex Centre Gap" running from 821-832 MHz. There is a possibility that this gap will become available for wireless microphones in the future. However, with current technology and the noise created in this band by the IMT service, we would question its suitability for wireless microphones at this time. It is anticipated that only 3-4 MHz in the middle of the gap will be usable. This band is under investigation on European and national levels.
In the 1.8GHz band (1785-1800 MHz) Ofcom grants access for digital wireless microphones only. This frequency range is not really suited for wireless microphones, as the higher frequencies (i.e. shorter wavelengths) create more body absorption and shadow effects due to the directivity, etc. The use of these frequencies will only work adequately when there is a line of sight and a short distance between the transmitter and the receiver.
The Joint Frequency Management Group (JFMG) is the UK's band manager for the Program Making and Special Events (PMSE) industry. For further licensing details please contact JFMG atwww.jfmg.co.uk.
Yes in many instances, but this is dependant on the make and model and in some circumstances it may be more economical to purchase a new system.
Yes, some funding is available to cover the movement of equipment out of TV channel 69 towards TV channel 38. On August 14, 2009 Ofcom published a consultation document on eligibility criteria, we recommend users to read this consultationwww.ofcom.org.uk/consult/condocs/pmse_funding/.
Please contact A.C. Audio for more information or alternatively the British Entertainment Industry Radio Group (BEIRG) provides a lot of information and makes a great effort to preserve the spectrum for our industry. See www.beirg.co.uk.
Also JFMG can provide frequency plans: www.jfmg.co.uk/pages/freq/freq.htm.
With years of experience supplying Businesses, Government Organisations, Charities, Schools, Colleges and Universities, we invite you to take advantage of our knowledge to help you make an informed choice, ensuring you are purchasing the best music products for your needs. With specialists in PA Systems, Pro Audio & Live Sound equipment on hand to answer calls and emails, you're in the best possible hands.
Contact us now to discuss your requirements or to request a quotation. Additional discounts may apply for educational establishments or size and value of order.
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