A225 BDS-3 Portable Vehicle Terminal supports BDS‑2/BDS‑3 short message communication and single BeiDou positioning. Optional high-capacity battery suits vehicle and portable use. Data transmission via Bluetooth and cable, enabling two-way messaging and position reporting. It works with dedicated APP, supports full-network access and physical one-touch alarm. With IP67 rating, it adapts to harsh outdoor conditions. Multiple mounting options are available for emergency vehicles to ensure communication when public networks fail.