Review on GPS collar GMW TK909-GMW, neck circumference 30-55 cm, 1 pc., red by Felicja Lewandowska ᠌

Name: GPS collar GMW TK909-GMW, neck circumference 30-55 cm, 1 pc., red
Item: GPS collar GMW TK909-GMW, neck circumference 30-55 cm, 1 pc., red
Rating: 3

May 26, 2023

Not perfect quality, some small defect.

Only a thin fabric collar will fit into the eyelets of the tracker (~2.5 mm). Thick type of leather will not crawl through.
The light module is a separate box 25x35x8mm with an LED and a flat transparent light guide tail, threaded into the collar. Easy to take out of the collar and put back in. It is powered by a widely used 3 volt CR2032 coin cell battery.
Operated by one button. It has, in addition to the off, three more modes:
- blinks ~5 times per second
- flashes ~3 times per second
- burns continuously

Pros

ated review after 2 months of use. In general, the tracker itself is not bad. Lightweight, compact. Width 34mm, length 72mm, height without collar lugs 18mm, with lugs 23mm. Weight 65g. Free to use (no paid subscriptions). However, you still have to pay for the SIM card tariff (about 1200 per year tariff for a special SIM card for trackers), but there is no other way (regular SIM cards can be blocked in the tracker, and the tariff is more expensive there). Claimed battery life in SPORT mode 5 days, ECO mode 10 days. In practice, I did not check it to the full, but for 4 days it works absolutely exactly.

Cons

Positioning accuracy is declared 5 meters. In practice, it happens only in open areas (wide streets and squares) and no more than 5% of the observation time. The rest of the time, the accuracy is 30-100 meters. In a densely built-up area and in a forest, the accuracy is approximately 100-300 meters. And indoors it drops to 500-1000 meters. Although the smartphone is positioned even indoors with an accuracy of about 10-20 meters. However, 50-100 meters on the street is more or less enough. This distance is "two to four pillars". You can already see the dog. The application is inconvenient (interface), but you can endure it. The card is very slow. Although the readings are ated with the maximum frequency, they change on the map at two to three minute intervals. For a very long time, the mark of the smartphone and the relative position of the smartphone and the tracker do not appear on the map. Most of the application is in English. The purpose of many switches and icons is generally unclear. For example, "many cars" / "one car" / "person". You switch, but nothing changes on the map. Haven't found the user manual yet. Please note: the instructions for the tracker say that the device does not work with TELE2, Tinkoff and YOTA SIM cards. The description of the collar says "the length of the collar is universal and adjustable from 55 cm to 24 cm" In practice, it turned out that the part of the collar in which the luminous strip (plastic light guide) is threaded does not fit into the eyes of the GPS tracker by any means. As a result, the collar can be made at least 48.5 cm. If you need to do less, you will either have to completely remove the light module from the collar (refuse to use it), or cut its "tail" to the desired length. The collar buckles hold the length very tight if you pull hard. But when the dog is regularly brushed off, the length of the collar gradually increases. For an hour walk, about 1 cm. So if the dog runs with him all day, then the collar will surely lose. Something needs to be done to prevent relaxation.