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Cobra GPSM 4000 Nav One Mobile Navigator | 
 enlarge | Brand: Cobra
Category: CE
List Price: $999.99
Buy New: $219.99
You Save: $780.00 (78%)
New (4) Used (2) Refurbished (2) from $119.99
Rating:  16 reviews
Sales Rank: 16243
Color: Black
Media: Electronics
Memorabilia: No
Batteries Included: No
Native Resolution: 320 x 240
Includes MP3 Player: 1
Shipping Weight (lbs): 2.7
Dimensions (in): 6 x 2 x 4
Speed
ETA (Estimated Time of Arrival)
MPN: GPSM 4000
Model: GPSM 4000
UPC: 028377500329
EAN: 0028377500329
ASIN: B000ATT8I6
Availability: Usually ships in 1-2 business days
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| Features:
| • | Plug-and-play mobile navigation system with built-in mapping database | | • | Automatic navigation with turn-by-turn directions and multilingual voice guidance | | • | Street-level detail map features 48 contiguous U.S. states, Hawaii, and major Canada metro areas | | • | 6 million points of interest; compatible with Cobra's real-time traffic receiver and antenna | | • | 5-inch, sunlight-readable, color display; 14 map zoom levels; 1-year warranty |
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| Editorial Reviews:
Amazon.com Product Description
Navigate your way through city streets and rural roads with the Cobra Nav One 4000 GPS navigation system. Equipped with Cobra's exclusive iASAP satellite acquisition technology, which receives uninterrupted, quick satellite signals even among urban canyons and dense foliage, the device is a must for the driver who doesn't want to mess with paper maps or printed MapQuest directions. The Nav One 4000 works simply: just enter the target address or point of interest, and the unit automatically determines the best route and offers turn-by-turn directions with clear voice guidance. The built-in street-level map of the U.S. and Canada offers full, detailed coverage of potential routes, along with more than six million points of interest from which to choose, including banks, hotels, restaurants, entertainment options, gas stations, and more. And should the driver stray off course or take a detour, the Nav One 4000 automatically recalculates the route and provides fresh directions. Perhaps the Nav One 4000's most unique feature, however, is its compatibility with Cobra's optional traffic receiver and antenna (sold separately), which offer real-time traffic updates to commuters and travelers. The matchbook-sized receiver receives up-to-the-minute information on traffic accidents, congested roads, and construction zones in 48 major metropolitan areas across the U.S. As the unit processes the info--which it picks up from an FM radio feed via Tele Atlas N.V. and Clear Channel's Total Traffic Network--it automatically determines alternate routes, letting the driver detour around the worst snarls and enjoy a stress-free commute. It's the perfect unit for frustrated commuters and other folks who spend much of their day in the car. The maps and instructions are easier to read than ever thanks to the 5-inch color display, which sports wide viewing angles and a crisp lighting level that's readable in both bright sunlight and dim moonlight. It also offers 3-D views for easier navigation, along with 14 levels of map zoom and exclusive terrain display, making it simple for the directionally challenged to find their way. Additional features include a built-in gyroscope that maintains map positioning under tunnels and underpasses; an address book that holds up to 1,000 addresses in 20 customizable folders; multi-stop routing for drivers with complex itineraries; and Trip Planner and Trail mode functions. The Nav One 4000 comes with a dash mount and is backed by a one-year warranty on parts and labor. What's in the Box
Nav One 4000 receiver and display, mount, user's manual.
Product Description
Cobra Electronics is a leading global manufacturer of mobile communications products for consumers, having attained a leadership position in every market in which it currently does business. Cobra has a track record of designing innovative and award-winning products.PRODUCT FEATURES:Automatic Route Navigation;Portable Vehicle Navigation System;Automatic Route Navigation;5" Touchscreen High Resolution, Ultra-Bright Color Display;Over 7 Million Points-of-Interest;Automatic Re-Routing;Personalized Route Preferences;iA.S.A.P. (Intelligent Accelerated Satellite Acquisition Protocol);North America Street Level Detail Map;Easy Map Access;Trip Data;Trail Capture;3D Maps;Terrain Maps;Sensor Light.
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| Customer Reviews: Read 11 more reviews...
 Great unit, except for unacceptable product support December 7, 2008
Huge screen, detailed directions, ease of use. These things are all there; HOWEVER, Cobra has not published a software update since August of 2006. Consequently, all of the directions are getting less and less accurate as time passes. I live in a city with lots of new highways, and you can't get around here at all with this GPS because it doesn't recognize any of the new roads. To choose now, I would choose a unit that updates automatically rather than waiting for the manufacturer to show some concern for the accuracy of its products.
Very Good GPS; have used unit for over three years. October 19, 2008
1 out of 1 found this review helpful
We purchased this unit especially for the large screen. As to previous comments: The manual is cursory at best and no additional information is available on their web site. The manual does state that you should moisten the suction cup before installing, and that you should allow the unit to actually rest on the dash. Following these instructions, we have never had the unit come loose, even on bumpy mountain gravel roads. There has never been a problem with overheating, and wrong turns have been minimal. As previously stated, it does get you there.
Approaching required turns there is a "countdown" bar on the right side of the screen that gives you plenty of warning prior to the "two dings" of the chime for the actual turn. If activated, another feature provides you with an expanded diagram of the approaching intersection or freeway ramp. User preferences are very easy and intuitive to find and change.
The unit has served us very well on at least three extended trips; one to Alaska, One across the country and back, and another from the west coast all the way east to Prince Edward Island in Canada.
On one trip we activated the 6-month free city traffic receiver program that comes with the purchase. It worked very well in all the major cities that we visited.
Another thing a user should know is that there is a need to periodically update the unit. This fixes many known "glitches" and provides database updates. Downloads are very easy to use from their web site, and the site should be checked for new updates every month or so. There is also a "pop-up" reminder in the GPS that periodically advises you to check for updates. For one large update they sent me a free CD. The software appears to be provided from Tom Tom. So far there is no cost for this.
Telephone technical support has always been fast, courteous, and accurate. A BIG plus these days. We could have saved some calls, however, if the documentation was more extensive and informative. This is the main reason that we gave it a four rating, rather than the maximum five.
We have a Toyota Highlander with the built-in GPS. Toyota recommends updating the unit every six months - at a charge each time of $200.00 for the DVDs and plus an hour of labor if you can't install them yourself. So for the update cost for one year - $400+ we can purchase a new unit. I can honestly say that the Cobra unit is easier to understand and operate than the Toyota unit. The Toyota feature that prevents a passenger from entering or changing routes while moving is a MAJOR inconvenience. We plan to buy a new "portable" unit for the Toyota and ignore the installed unit.
One anomaly that has yet to be fixed is somewhat strange. In Canada, about 60 miles north of the US border, the "time to go" reduces the time by 50% (time to go becomes half of what it should be). This happens whether you are using kilometers or miles and continues until you return south of the offending latitude. I have brought this to their attention by email and telephone, but still no fix.
It would be nice to have an internal battery but it isn't a big issue for us. With the supplied AC and DC adapters I can program or reprogram the unit in the vehicle or inside at any time. I often enter planned routes the night before by using one of the adapters. The unit usually receives the satellites quite well inside as long as you are near a window; but you don't need reception to program it. For walking and hiking we purchased a very nice, hand-held, Garmin battery powered unit.
It is a very good unit and has served us very well. I highly recommend it, however, it is becoming a little outdated compared to some of the newest model GPS units. Still a bargain at the current price.
Easy to use, large display. versatility October 15, 2008
I purchased this product over three years ago, and I am pretty sure this is the best unit out there.
It's rugged (I've dropped it several times, with the dents to prove it).
You can set via points easily to change your route to the one you prefer. This unit, like all others (including web-mapping) many times doesn't pick the best route for you, which is definitely a factor for long-distance trips. I usually use Google Maps to first plot out my route, and use via-points to alter the suggested route (if necessary) of the NavOne. A via point is a point along your route you want to travel through, so by telling the NavOne that you want to go through a particular point, it will recalculate the best route, based on passing through the via point you set. You can set up as many via-point as you wish, in order to achieve the exact route you want.
The unit has another screen you can view, showing many statistics of your trip. Current, average, and maximum speed, altitude, time, compass direction, and many others are available to display (but only 4 of these can be displayed simultaneously).
The display will automatically darken at dusk, eventually switching to a nighttime display that's easy on the eyes.
My biggest complaint about this unit is the mount. It is the crappiest mount ever for such a great unit. It's suction-cup based, and I've had the mount fail many times, sending my expensive unit plunging to the floorboards of my vehicle. I eventually used clear silicone adhesive to semi-permanently affix the mount to the windshield of my Jeep Liberty. When I use it in my Nissan Titan, I have Velcro adhered to the bottom of the unit, and affix it to a wooden stand which fits in a niche on the dash. I just rented a car for a road trip and used foam mounting tape to affix it to the dash and windshield.
Cobra GPS June 4, 2008
So far I find the Cobra unit is very accurate and has all the features I need. I like the large screen and voice directions. The only problem is I can't get an additional windshield holding mount. So I have to move the holder from vehicle to vehicle. Cobra does not offer additional mounts for the 4000 unit. Overall for the price it is an excellent buy.
GPSM 4000 April 14, 2008
2 out of 2 found this review helpful
I just had this over the weekend and only payed 125 so heres my thoughts. For what I paid for it I can't complain about what it is/isnt. But if I would have sunk any real cash into this I'de be sending it back. This is a very good sub $200 gps. Heres what you should really know. It has speech. but limited text to speech. So basically if you want a gps to tell you all the street names.. Not happening here. I added all the updates when I got it so I can tell you the 3d graphics.. like you see now on most gps's (like tomtom) is not as good. also you really have to clean your windshield
before you stick this on your dash. I had it come off the glass 2x already in 3 days. It is a pretty hefty item to hang from a suction cup.
I ended up placing it so it actually rests on the dash while attached to the window.
Good points. The screen auto adjusts to the daylight/or lack of
the navigation is spot on. with the update installed I dont have the problems others have/ I had the updates on before I ever test drove it.
The voice commands are clear but mechanical sounding female voice. You would think the a gps that actually has a microdrive inside could have added other voices to the package. I got the database update. so I can not comment on how the new maps compare to the old. But the last update is 2006 and its close but not perfect. One quirky thing about this is it has modest actual street address finding.. It will list roads when it can not find the actual address. in a couple cases it says "no data" this is no big problem just annoying. for what i payed for it its great. The 5 inch screen.. 4.4 actual inches and a icon strip on the side is a lot easier to see than the tomtom go. May not mean much to you younger people but when you get older this is a selling point. If you can latch onto one cheap its a 4.5 at +200 a 3.5.
I forgot to add with the updates. it doesn't jump page to page like mentioned in other reviews.. it moves along just like a tomtom.
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