J&M Universal CB System w/Intercom Fit Any Bike

This is a good product but ... I was surprised to find out that the intercom of the DU unit does not work while either rider is transmitting on the CB. We have to speak into the CB to transmit and then repeat everything through the intercom so we both know what was said. Bad Design flaw here. Then the upper and lower cables are very frail. We have had to replace two complete sets in the first year because they are not sufficiently strain relieved at the helmet and interconnection points. We have been careful while handling the cables, especially the second set, and careful while storing the helmets but they still get damaged to easily in my opinion.

Very good product, but should have step by step instructions for matching the antenna with an SWR meter. Also, a low price SWR meter should be available for purchase on Wing Stuff as a related product to the radio or the antennas.

Great communication unit.Instructions were very straight forward. and installation was pretty easy.More instructions on matching the antenna would have been very helpful, however the tech support at J & M walked me through this process.The sound clarity on the CB as well the aux unit(IPod) is incredible.Thumbs up for a great product

Purchased and installed on my wife's 07' Shadow Aero 750. Very basic installation if you are familiar with basic disassembly of your bike to cable manage. Very nice unit! Basic instructions are provided because this unit can be used on any bike. For 07' Shadow Aero 750, suggested power connection is "rear light" circuit, which is the "Brown Wire" of three, that go into the small "White" connector, (other two connectors are Left and Right Turn Signals), located under the seat just above the battery and protected with a clear boot. Cable Management was a challenge on the Shadow Aero 750, due to very tight space between the fender well and rear tire for installing cable ties - but doable without removing rear tire.

The J&M CB Antenna License Plate bracket twist angle was no where near even close to allowing the CB antenna to be installed fully vertical. Had the use a vise and grips to increase the "twist" in the bracket to compensate. Running the CB antenna cable and ground cable presented a challenge, because there is no place to feed these through the back light assembly of the Aero 750 and with the PL259 Connector "pre-attached" to the CB Antenna cable, you have to drill almost a 1" hole into the back fender just below the back light assembly to feed the cables through and run the wiring up the inside rear fender framing. Fortunately, that hole will be hidden by the license plate. Could have got away with a much smaller hole if the if the CB Antenna PL259 Connector was not already affixed to the RG59 coax cable. In hindsight, I should have cut the PL259 connector off, drilled a smaller hole through the fender, and installed a new PL259 connector on the antenna cable. I'll have to put some form of rubber grommet around the cables where they feed through the hole in the fender.

I was expecting that the J&M Unit would have some form of Quick Connect/Disconnect, so the unit could be easily removed from the bike when not in use. That isn't the case. Once installed, it's there for keeps, unless you unbolt the unit from the handlebar mounting bracket and unplug the main wiring connectors, that are now under the gas tank!

Overall - 5 Stars! Really Nice unit for our bike2bike comm and group ride comm, with added bonus of PTT for passenger (if you get the 2up kit) and audio input aux. jack and wiring - so she can listen to her iPod too through helmet headset.

Excellent little unit. It makes riding with a passenger and other bikes with CB's pleasant when you can easily communicate. No guessing on installation as the instructions were clear. As far as finding the right power source there are alot of free wiring diagrams on the net. The only stumbling block is tuning the antenna to the CB. This is easily overcome by taking your bike to a radio install shop or getting a SWR meter and doing it yourself. Pleasantly surprised when it came with the passenger CB transmit button as the instructions says it doesn't.
You won't be dissapointed with the unit or service!!