The Sierra Wireless AirPrime EM7455 4G LTE Qualcomm Wireless WWAN Card is an adapter designed to provide wireless connectivity for PCs. With its unlocked feature, it allows for flexibility in choosing a carrier. This green card is capable of accessing 4G cellular networks, making it a versatile option for those in need of fast and reliable internet connections. Originating from Vietnam, this Sierra Wireless product is a reliable choice for expanding networking capabilities.