1. Active 2.45GHz Long range reader, up to 250meter 2. Strong anti-collision ablity 3. With active tag for E-School project VI-720S2.4G Active RFID Directional ReaderIntroductionl VI-720S 2.4G RFID directional reader is a high performance active RFID reader, designed for applications requiring long reading distance, high identification accuracy, strong anti-collision and etc.l Mostly apply to ...