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Navman T1 Traffic Module | 
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| Brand: Navman
Category: CE
This item is no longer available
Rating:  14 reviews
Media: Electronics
Fragile: No
Batteries Included: No
Shipping Weight (lbs): 0.7
Dimensions (in): 0.4 x 0.4 x 0.4
MPN: AA005161
Model: AA005161
EAN: 9419777107149
ASIN: B000HHFFXI
Release Date: September 27, 2006
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Product Description
Technical DataHeader / Product LineNavmanTechnical DataHeader / ModelT1 RDS Traffic ModuleTechnical DataHeader / ManufacturerNavmanTechnical DataHeader / Packaged Quantity1Technical DataMiscellaneous / CE Product TypeGPS receiver cradle with TMC module
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| Customer Reviews:
 Doesn't work everywhere - BEWARE February 8, 2007
Troy Tempest (Surrey, UK)
110 out of 114 found this review helpful
The TCM channel that uses Classic FM's frequency suffers from extremely variable signal strength (not comparable to how well you receive Classic FM either I'm afraid). So depending on where you live this may well work well - OR NOT. My daily commute is between Surrey and Hampshire via the M25 and the M3, I get no signal whatsoever until I am 10 minutes from my destination, which is useless.
Apparently the signal can be boosted by purchasing an external aerial (not avaiable from NavMan) and a cable adaptor, but is it worth the faff?
The unit also suffers from two basic design flaws. Despite boasting "integral design" the external aerial has to be plugged in and fixed inside your car. This is done by sticky pads (supplied), unfortunately the connection to the T1 is delicate and may not last with repeated insertions and disconnections, however leaving it attached and on view as the manual suggests is sadly not an option with the spate of thefts from cars whenever a Sat Nav cardle is left in view, and now there is an extra cable trailing across your dash. Also the power cable now has to plug in to the T1 first and an adapter is supplied as the socket is different. This is sad as one of the good design features of the actual Navman unit is that a single socket is used for 'In Car power', 'Mains power' and 'USB connection'. It is also on the other side of the unit so the cable may not reach to the position you have become accustomed too. This smacks of a different company sub contracted out for the design and manufacturing .
In summary if you have a good signal this is probably excellent kit (bar some design flaws) if you live in a poor reception area it's just junk - and I cannot find out how you would discover which you are in advance!
 T1 Traffic Module Is A Safe Buy July 30, 2007
Alan J. Taylor (UK)
61 out of 63 found this review helpful
I bought the NAVMAN F20 SATNAV last Christmas, and I have been entirely satisfied with its performance. However, on the basis of the first review I did not purchase the T1 traffic module. After running into several jams and hold-ups on the road (I cover between 50,000 to 60,000 business miles per year) I decided to go ahead with the purchase anyway.
The first review is particularly misleading when it comes to the installation of the antenna, and the coverage area of the T1. Firstly, the molded rubberized antenna was very easily installed just below the windscreen mount for the F20, the antenna itself is less than a foot long and is not unsightly.
The antenna lead can be neatly coiled and positioned on the dash. The orientation of the antenna, either vertical or horizontal will not affect the systems performance. Any signal reflection from intervening terrain or buildings that occurs between the transmitter antenna and your vehicle antenna will effectively reduce any polarization issues at the receiver antenna to an indeterminate state.
So go ahead and install the antenna in a postion on the windscreen in a manner that is both functional and esthetically pleasing.
Just how tidy the install is or is not will a direct function of just how careful the installer is concerning the finished aesthetics.
No; I don't go through the hassle of pulling down the installation each time I leave the car. The F20 unclips easily from the T1 and mounting cradle, leaving the cradle T1 and antenna in place. Just how comfortable one feels about this is entirely personal.
Most would argue that merely leaving an empty cradle on the windscreen is enough to attract vandals. This is dependant upon the area you live in, and the security arrangements at home and at your business destinations.
The road traffic data rides piggy back on existing FM radio transmissions as a separate digital data sub-carrier, and the overall coverage area will be subject to similar constraints of traditional FM radio channels.
The CLASSIC FM network of FM radio transmitters is the only network in the UK that transmits ITIS traffic data information compatible with most after market SATNAV systems in the UK. As you drive around the UK your T1 traffic module will automatically scan and lock to any of CLASSIC FM's UK mainland transmitters, based upon signal strength.
CLASSIC FM covers 90% of the UK mainland using the following terestrial transmitter sites:
London 100.6 & 100.9 FM
Kent 101.8 FM
Brighton 101.9 FM
Isle of Wight 100.3 FM
Devon 100 FM
Cornwall 101.5 FM
Bath 100.2 FM
Bristol 101.4 FM
Swindon 100.8 FM
Oxford 101.3 FM
Bedford 100.4 FM
Norfolk 101.5 FM
Cambridgeshire 101.9 FM
West Midlands 101.1 FM
Hereford 100.4 FM
South Yorkshire 101.7 FM
West Yorkshire 101.1 FM
Lincolnshire 100.5 FM
Bradford 100.3 FM
Leeds 101.6 FM
Teeside 101.6 FM
Morecombe Bay 101.8 FM
Durham 100.3 FM
Newcastle 101 FM
Cumbria 99.9 FM
Selkirk 100.9 FM
Ayrshire 101.3 FM
Glasgow 101.7 FM
Tayside 100.1 FM
Grampian 100.5 FM
Moray Firth 101.4 FM
Isle of Man 100.2 FM
North Wales 101.6 FM
NW Wales 100.7 FM
Cardigan Bay 101.1 FM
SW Wales 100.5 FM
W Glamorgan 101.3 FM
S Glamorgan 101.7 FM
The T1 is no different to any FM radio concerning reception issues. I work out of London visiting work sites as far South as Wimborne in Dorset, and as far North as Glasgow in Scotland. Keeping to the main roads and motorways, the T1 has never missed a beat.
However, it does have a hard time in the wilds of Lincolnshire (Blyton, my home village).
When travelling in or around London, the T1 is worth its weight in gold!!
Nothing in this world is perfect, but the T1 is worth the money, and will payback the professional user many- many times over in time saved, and frazzled nerves.
It's a no brainer, the T1 works as described in the manual, and the purchase should present absolutely no risk to both the casual and professional user.
 Great sat nav complement. July 18, 2007
Mr. M. Johnson (London, England)
25 out of 26 found this review helpful
Having read the first 2 reviews about the product I also had my misgivings about buying it, but I said to myself what the heck let me find out for myself and I'm glad I made the right choice. As with the previous reviews my main beef is with the design it could have been better. The antenna is not that big and not an eyesore, but I think it was unnecessary to provide semi-permanent sticky pads. They could have just used small suction pads or the likes, that way you could easily remove it when not needed, chuck it in the glove compartment. I do feel the first 2 reviews slightly underrated it greatly. There are also instructions but it comes on a cd in pdf format. The Traffic T1 module is definitely my friend in the streets of London during rush hour especially when driving on the North Circular (A406). I was able to bypass the main hotspots on my intended route to my destination.
In all its a great buy and I'm gutted to see that it's 20 less than what I paid for a couple of weeks ago. If I only just waited, but never mind it's still worth the money.
This is one of best complements to the Navman sat nav series.
Go and get it ladies and gentlemen.
I accept not perfect but perfectly acceptable July 16, 2007
skeleton bob
17 out of 17 found this review helpful
the criticisms of the aerial below are a little over reacting, I feel. Yes, there is a long snaking lead with a T-shaped aerial at the end, but this is easy to fold away and works perfectly well just chucked on the dashboard, no need for permanent mounting. The only quibble from this point of view is the adaptor needded to fit the power supply, wich I agree is silly.
However, the unit has worked well in conjunction with the F20 europe whenever I have used it: driving from the Midlands to London, up to Yorkshire and around the Midlands- no problms, picks up most delays and reroutes effectively. The only other irritation is the lack of instruction with the T1 or the navman F20 as to how to receive updates- the navman only gives you the options once the module is attached, which caused alot of faffing when we first set it up. However, subscription free and works well, so overall a thumbs up. I'll be interested to see how it fares on the Continent this summer...
 Could be better June 8, 2007
P. H. Cooper
16 out of 19 found this review helpful
I purchased this product knowing full well that the aerial was a problem and reception not ideal (having read the other reviews). I was initially very disappointed with the item as it failed to pick up reception at my house. It only picks up about 5 miles into the journey which is not ideal if the unit only then tells me that my intended route has a problem. Having said this, once in reception the unit works very well and on two recent long drives to London it informed me of events very well. On one occasion I passed an incident on the other carriageway which had only just happened and within five minutes the unit had logged this as a traffic problem. My biggest gripe is with the aerial - this could never be used in its fixed position due to security and aesthetics(its very big). I simply keep the aerial in the glovebox and attach and throw it onto the dash when we have a longer journey to do. For the one off price I think it is actually worth it - just remember it is a flawed product.
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