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Garmin GTM 21 (UK) FM TMC Traffic Receiver at Amazon £39.93 Delivered!
Garmin GTM 21 (UK) FM TMC Traffic Receiver at Amazon £39.93 Delivered!

Garmin GTM 21 (UK) FM TMC Traffic Receiver at Amazon £39.93 Delivered!

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Garmin GTM 21 (UK) FM TMC Traffic Receiver at Amazon £39.93 Delivered!

Physical & Performance:
Unit dimensions, WxHxD: cable cord 5.4' (164.6 cm); cigarette lighter adapter 4.5" (11.43 cm); 18-pin plug 1" (2.54 cm); total length 70.3" (178.56 cm)
Interface: connects to GPS device via 18-pin flat plug
Weight: 2.7 ounces (76.5 grams)
FM tuner band: 88 to 108 Mhz
RoHS version available: yes
Portable: yes

Worth reading through the reviews on Amazon, as some say it depends on your windscreen for performance...

2 Comments

Original Poster

http://ecx.images-amazon.com/images/I/41g6Es1Jw%2BL._SS500_.jpg

Got one of these and I'm a bit disappointed. Seems pretty deaf - not particularly sensitive and has problems picking up regular updates.

M25 east of London is pretty bad
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