GF22 is a quadruple positioning system with IBS+WIFI+GPS+AGPS with very high accuracy.The battery is 500mah, the battery is bigger and the positioning mode is more accurate.
Weight: 100g，Size: 26*42*15mm With strong magnetic adsorption, with SOS distress button, it is the best choice for your home security system!
You must have at least 2G network to use it. USA (for T-Mobile), please consult your local carrier in detail if it supports 2G network or use a 2G IOT card. Below are the countries where it can not be used, but it can be used in some environments, please read carefully: Countries where 2G networks are not available: Singapore, Japan, Korea, Australia, New Zealand, Canada, Taiwan (for APT)
