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Tbird650
05-03-2019, 10:22 AM
Hi
I've been keenly eyeing GPS trackers and it appears the new CAT M1 capability is the way to go. In particular the TK319-L from Ebay/Aliexpress looks appealing.

Spark offers CAT M1 reaching 98% of the population. They say an expected 2000 devices will be added to the (IoT) network every week.

What's great about CAT M1 over conventional 4G is the power saving. A device battery could potentially last 10 years. Then there's the signal penetration advancement. A signal can penetrate buildings like never before. Also the theoretical range of signal is 62 miles (100km). It seems the whole package has been re-engineered so it's frugal on resources including data bandwidth.

So far almost no-one I've talked to has even heard of it. Indeed I only discovered it a few days ago and have been studying the subject since. Thanks to Mr.Google.

Is a special 4G SIM required or will any 4G do? Is there any good or bad experiences with CAT M1 devices or service providers out there? Is Voda's nb-IoT a better bet? Keen to hear any thoughts, tips or comment. Thanks.

Tbird650
05-03-2019, 02:24 PM
OK, so there's another question.. will I need data only on the SIM or will I need sms and voice as well?
9407

Tbird650
05-03-2019, 11:50 PM
I enquired with Skinny. No, they don't support CAT M1. Even though they resell Spark, their bundle doesn't include it.

Here is a list of things the SIM needs: A. support SMS GPRS. B. NO pin code,no password,no voice mail box. C. support caller ID display.

Aliexpress offering:
https://www.aliexpress.com/item/4G-LTE-Cat-M1-Vehicle-GPS-Tracker-TK319-L-for-Car-Truck-Motorcycle-Positioning-Waterproof-Geo/32960564675.html?spm=a2g0s.13010208.99999999.259.2 da33c00x4W09G

wainuitech
06-03-2019, 08:31 AM
We got a similar thing, its a GPS tracker, All it needs is a Standard SIM card, any pre paid will do, with some credit ;).

What you do is if you want to see where its located all you meant to do is text the Sim number with a code, a few minutes later a map appears on your phone showing its location.

That's how its meant to work, haven't tried it yet. You have to wire it into a 12V power source on the car that's always live, Either directly to the battery or most cars have a live feed somewhere, most will have plugs in the fuse box. This way, its always on and tucked up out of site someplace.

https://www.aliexpress.com/item/Guaranteed-100-4-band-car-GPS-tracker-GT02A-Google-link-real-time-tracking-free-shipping/1257279802.html?spm=a2g0s.9042311.0.0.4cba4c4dVQZq BL

9408

From youtube https://www.youtube.com/watch?v=QckU5BJN6JA

Longer video complete https://www.youtube.com/watch?v=qJ6UkwazyrY

wainuitech
06-03-2019, 11:02 AM
Curiosity got the better of me LOL :D, put in a SIM, and used clothes pegs to connect to Battery ( testing only) sent a text -- Within a minute got a Map / location back, Damn accurate, within approx. 1Mtr of where the cars sitting.

Tbird650
06-03-2019, 09:34 PM
Thanks Wainui. Super cool!

That's a nice little tracker at a good price. Very popular. There's a lot to like about it.
Possibly I could get one in the interim and wait for the 4G CAT M1 tracker to be a bit more tested and proven. Reading some good write ups about CAT M1. Supposedly a good step forward in a number of areas.