PawTrax Halo Light and Small

The PawTrax Halo is a GPS locator/tracker for cats. It weighs just 20g which is almost half the weight of similar devices on the market, something worth bearing in mind when its on your cats neck Battery life in standy (sms mode) last approx 5 days

Addition of WiFi and LBS does NOT improve GPS Accuracy

Contrary to what some GPS tracker companies are stating the addition of wi-fi and LBS (GSM Masts) does NOT improve GPS accuracy. According to the United States government civilian GPS has an accuracy of 4 metres RMS (7.8 metre 95% Confidence Interval) depending on conditions. GPS relies on accurately measuring the time it takes for radio waves to travel from different satellites to the receiver. LBS and Wi-Fi location uses triangulation to determine the location, the accuracy depends on the number of GSM masts and/or wi-fi networks in close proximity. The state of art for Cell Tower based positioning is about 50 metres. This can be much greater in urban areas where there are fewer masts. Our

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