#lte-m

Fi ships first units — Atom finally has a non-Mars tracker

“Two weeks on Fi. Battery life: 14 days actual, on a healthy active dog. That's 4-5× what Whistle 3 delivered. The LTE-M bet has paid off.”

The pet-collar power budget — what a multi-week cellular tracker would actually take

“Cellular pet-tracker battery life isn't a marketing number, it's a power-budget engineering problem. The whole game is the modem's average current — and LTE-M's Power Saving Mode is the first thing I've seen that could move it by 10×.”