No, 2A is the requirement. Its designed to be powered from a single LiPo cell as in a mobile phone (all GSM chips are designed for this power source). Something like 4V at 3A or more is the kind of power supply to use if not using LiPo.
No, 2A is the requirement. Its designed to be powered from a single LiPo cell as in a mobile phone (all GSM chips are designed for this power source). Something like 4V at 3A or more is the kind of power supply to use if not using LiPo.