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The CME UF-series keyboards support a built-in MIDI-over-wireless system. My first guess was the Rockband wireless keyboard. Unfortunately, it doesn't appear to transmit MIDI data over its bluetooth connection. If you are up for a DIY project, here are some instructions on building a wireless MIDI link using XBee radios. Should be able to fit inside the ...

If you are in the US, the Shure documentation on frequency bands may be found at this link. Your ULX receiver is in frequency band J1. This document gives the details of the frequency groups Shure has chosen within the band. The group frequencies are chosen to minimize the amount of intermodulation distortion (IMD) between the 20 frequencies in the group. ...

Rafael, I don't know the cheapest ones, but I can tell what they compromise relative to the high end product: Spectrum availability - high end products have more frequency bands available Transmitter output circuitry - high end units have better (and sometimes stronger) output circuitry that introduces less spurious noise into adjacent frequency bands, ...

I don't have direct experience with wireless speakers, but I can offer the following reasoning on why you should prefer wired speakers: Most of the frequency spectrum is allocated to licensed users. Products like wireless speakers, bluetooth headsets and WiFi run in the unlicensed ISM bands of 900 MHz, 2.4 GHz and 5.7 GHz. There isn't a lot of bandwidth to ...

I do this all the time for local user groups and I'm yet to find a "plug and play/set and forget" solution. To do the recordings at a professional quality, you need some sort of skill and training, otherwise it will look amateur. If all you want to record is the person talking, and not what's on their screen, it's relatively easy: buy a wireless lapel mic ...

I have done half of this before. The biggest trick is to make sure that there are good DAC / ADCs in the devices. If the conversion from analog to digital or back again isn't very good, then the system isn't going to work well. I used to use a bluetooth DAC for my headphones because the DAC in my phone itself wasn't very good. I don't remember the brand, ...

Through various components I have come up with a solution. I have found a Bluetooth transmitter that I can connect to my receiver's phone jack (I will need to use a 1/8" to 1/4" stereo adapter) and a Bluetooth receiver to connect my headphone to. If you are familiar with the Sonly MDR-5 headphones they have a screw on 1/4" adapter. So you can use a 1/4" ...

You want a distribution amplifier. It is a device that takes a single input and produces 2 or more outputs at the same power level. Simply plug the microphone receiver in to the input of the DA and then plug one output in to the camera (or a dedicated audio recorder) and the other in to the sound board. You could do the same thing with just a simple ...

Just did a google search and found several http://www.dolphinmusic.co.uk/product/33587-cme-uf50-includes-free-usb-wireless-midi-adaptor.html http://www.guitarcenter.com/CME-UF-50-49-Key-Master-Keyboard-MIDI-Controller-702722-i1323976.gc?source=4WWRWXGP&kpid=702722&cagpspn=pla ...

Wiring speakers around a room is very cheap and simple to do, and will help prevent EM interference issues, which could easily happen with wireless speakers, as the frequency ranges typically used are filled with comms from all manner of personal electronic devices. I would suggest running speaker cable to those corners - if you have a floating ceiling it ...

Wi-Fi enabled projectors have been around for several years, at least. A cursory Google search for "wifi enabled projector" turns up that and several other articles, plus reviews and some product listings. The primary complaint seems to be bandwidth; however I did not find any reviews including more recent Wi-Fi standards like 802.11g/n. That said, it was ...

I have seen this sort of thing happen on devices that don't have enough built in protection from interference. I ended up having to ditch my old kit as it just didn't cope any more. You could have a look at folks like Skytronic - disclaimer: I didn't end up buying this one, although it did appear to meet my interference requirements. I ended up just staying ...

Are you talking about a coaxial antenna interlink? This is commonly a BNC connector: It has a center pin and a sleeve contact for shield, and then a movable locking mechanism around the entire connector.