Navigators are Garmin, TomTom, and cheap Chinese hand-made Navitel, AVTOSPUTNIK, Shichida and other navigation programs. Against the programs themselves can only nechelovekolyubivye interface, far from the sufferings of the Garmin and especially TomTom solutions. Although some things are implemented better. That is not for everybody.
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So, from three manufacturers, Chinese (I mean Chinese in a bad way) I just don't recommend it. Better to take a good smartphone and put the same change in him.
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TomTom in Russia is developing slowly. I would say that in any way. Although the maps of Moscow and Moscow region, according to rumors, is very good. But with trips to neighbouring areas may be a problem.
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Garmin has some cons, but it is the only remaining manufacturer. Cartography in Russia detailed cover not only cities, well developed area. Normal service (in Peter, for example, about five service centers where you can come with stupid question "but... it's... I've clicked, and he tells me!). Cork will be broadcast across the FM channel. The antenna is either sold separately for a couple of thousand, or included (in the second case, it is significantly cheaper). The quality of the "tubes" — the subject of a long Gallivare.
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The results of "independent testing" from the GPS club, Garmin took the last place. But the technique itself (to travel to one destination and back) does not pretend to be objective. In other competitions of several intermediate points Garmin took first place. Peter — also a first, though not attended our mirror, the leader — Cityguide.
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If you buy a Garmin "not in this country", then, please note that the FM antenna, bought in Europe, take the tube must, but not in the United States. Well, you will have to attend to the cards. Fortunately they are easy to buy, and a steal.
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And I beg you, do not compare OS, GHz processor, inches diagonals and the presence the MP3 player. This is all irrelevant to navigation. Again, I have nothing against the various navigation software and do not deny that somewhere they are better than Garmin. I am against cheap sonambulo iron Mulk, Tekset, globe, or Digma. The grounds for such a categorical statement — 5 years of experience in a specialty store GPS navigation and service center of Garmin.
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As noted by A. Lebedev: "Garimin as Nokia. Shit-shit, better not.“ So if you are the Navigator in the car. If you dig deep enough, tinkered, posravnivat, to do screenshots and to write a subjective review on Habr — Communicator with GPS module.
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It turned out a little advertising. Sorry — this is for me a sore subject. So much copies are broken... So a few tips if I have not convinced you and you decided to take a chance to take anything with gigahertz and Android:
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1. Tube from Cityguide-Navitel transmitted via GPRS. That is, unlike Garmin, you will have to pay a pretty penny for traffic, but at current rates this is not the most fundamental. Fundamentally, how to implement information transfer. Or is the BlueTooth module and the modem acts as your mobile phone or Navigator inserted SIM card. I think that the difference no need to explain. The first option is good only in one case — if the mobile connection you are paid by the employer :). Focusing on models with SIM cards, you will significantly reduce the search area.
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2. Significantly reducing the scope of the search to narrow it even. Select few manufacturers. Who exactly — depends on the region. In St. Petersburg there (there was a year ago, anyway) official GlobusGPS service. All instruments were sent to Moscow. So for Peter I this manufacturer does not recommend, and you — why not? We have a popular Trip. Go to the official sites, look at the number of services, call them. In the case of "Chinese" problem is more than real, therefore, the presence service does not hurt.
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3. Carefully read the reviews at least on the Market. From one manufacturer can be good models and not very much. To take the Chinese to be careful. Do not chase novelties, it is better to take a proven model. In the case Tcseta is texet TN 600. The model underwent several modifications, but has established itself well. The more popular the model the more reviews (you can make a more adequate opinion) and the more experience you have servicing experts.
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Well, I think that's enough. If that — ask.