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That's not a mobile repeater in that pic, its a HAM operating HF. As far as a mobile repeater it really is a waste of time. I have done this already and it was a total disappointment.. Unless your car is at a substantial height advantage you will not have any better coverage then simplex. Again you can and will try to explain or reason away my logic without listening to what I and others have been trying to tell you. I have tried the mobile repeater, the setup was a 50W Motorola SLR 5700 with a 4 cavity BP/BR duplexer connected to a 5.5dB gain antenna on the top of my truck. After testing for about month I realized it had no practical use and only offered slightly more range than simplex, best part I ended up needing a jump after a day at the fair. Mind you this was a $2400 repeater, $800 duplexer with an antenna that was tuned using an Anritsu S331D. I promise I nor anybody on this site will try to steer you wrong, I hold a Commercial, Amateur and GMRS license, own and operate several large repeaters and have all the gear for building, testing and maintaining these kinds of systems.

Reality is, there is not much demand, therefore not much competition. I personally would buy 10 BTECH GMRS-V1 before I bought 1 Garmin. I love Garmin as a brand, but that device is way over-priced for what it does. The first time you drop it... you will not be a happy camper. Not to mention, with the BTech, you can buy a UT-72 mobile antenna, U25d mobile amp, external mic and power supply. That will give you unlimited duration mobile use at 20+ watts on the V1, with much greater range. When you want to use it as a portable, just unplug it, slap the portable antenna back on it and go. If by some chance the radio finds its way into a puddle or bursts into tiny pieces as it hits concrete... $50 later you're back in business. I was really snobbish about the BTech/BaoFang radios until a friend of mine had one and totally out-performed my $350 mobile setup with his $50 handheld.

Corey Great information.

I got all my guys.(all of two of them) there GRMS license.

Do you have a balcony? I’m in an apartment, but have a balcony. I just ran LMR400 (several) and put my antennas out there, lol. I figured it was better to ask for forgiveness than pernission. Landlord did ask what they were and I explained amateur radio and GMRS. (I used angle telling her it’d still work if power and all else lost, which would as I have backup power.) She thought it was neat and even asked if I could setup some wireless bridges on rooftop (two buildings here) for their IP cameras. Easy peasy! Hoping to get brownie points and maybe sweet talk her into letting me set my antennas up there, lol. I’d put them in center roof, where can’t be seen from ground, so nobody could see, else might be seen as “tenant favoritism”. Even though, my landlord loves me, anyway. Mainly because I’m a veteran and she loves all veterans. I’m not complaining. :-)

Not true, GMRS can be used for business purposes as long as each individual person is licensed. No licenses will be issued to a business entity, only individuals. So if you have 5 people that need to communicate for the business, you better have 5 licenses (assuming none of them are related, otherwise the relatives can share the one license).

Motorola gear is a pain to get programming software for but not impossible. I can take a week or longer to navigate Motorola's process but in the end you will have legal software and you can get the entitlement for wideband operation for free after some quick online training. I use Motorola for the options alone, in the truck I run handheld control heads and a long range Bluetooth speaker mic so I can use the trucks radio well in restaurants our friends houses. The same mic is also on my base paired with a desktop mic, its nice being able to go anywhere in the house and just carry a small mic that allows the use of the base. This gear is a little pricey but can be found used on ebay reasonable, its all comes down to personal preference. Bluetooth Mic that can be attached to most of the newer Motorola XPR radios including portables. http://mwgmrs.com/mygmrs/handmic.jpg This is the handheld control head, it is also the speaker and mic, 4 years old an not a single issue. http://mwgmrs.com/mygmrs/truck1.jpg Radio Head unit is installed under the back seat. http://mwgmrs.com/mygmrs/truck2.jpg The control head cable comes thru the map pocket allowing it to tuck away nicely out of sight. http://mwgmrs.com/mygmrs/truck4.jpg Simple 1/4 wave gives great performance, i am able to hit repeaters 30 miles away and simplex 10 miles easy in the freeway. http://mwgmrs.com/mygmrs/truck3.jpg