|Features||Mio C220||Mio C230||Mio C320||Mio C520||Mio C720t||Moov 200||Moov 310||Knight Rider|
|POIs||3.5 M||1.0 M||1.7 M||6.0 M||12.0 M||3.5 M||3.5 M||4.0 M|
|Speaks street names||No||Yes||No||Yes||Yes||Yes||Yes||Yes|
- POIs (Points of Interest) – I recommend getting a unit with at least 4.5 million. Here’s a post for further reading on points of interest (POIs).
- Speaks street names – Formally known as text-to-speech, this function allows the device to
call out the name of the street for upcoming turns, so you’ll get “in
one-half mile, turn left on Oak Street,” rather than just “in one-half
mile, turn left.” A very helpful feature.
- TMC traffic – A nice feature that isn’t quite ready for prime time. Expect lots of
inaccurate reports as well as incidents that aren’t reported. Delivered
via FM, this service is provided by the Traffic Message Channel, hence
you will sometimes see it referred to as FM-TMC. Here is a link to a coverage map.
- Bluetooth for hands-free cell phone use – Another nice idea, with weak
implementation. In my experience, the sound quality
for the person hearing your voice is awful.
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