The TX2501-AJS-4CH-DPA miniaturized dual-antenna integrated device is a compact satellite navigation system designed for civilian drones and industry users. It supports dual-frequency signal reception of BDS B1i and GPS L1, has anti-broadband interference capability with a maximum interference count of 3, and offers anti-spoofing capabilities. The device integrates an antenna array, anti-jamming components, and a satellite navigation receiver, featuring miniaturization, lightweight design and low cost.