Nb-iot /LORA Soft Antenna UAV wireless module Figure transmission data transmission 840-868-915-923-902-928mhz

The seller describes it as wireless

These are the seller's own words rather than a verified specification. Some are checkable on arrival — whether a thing folds, whether a magnet holds — and some are not. Claims about water resistance and load capacity are the ones most often overstated, because the buyer usually discovers the truth long after the dispute window has closed.