... requiring long reading distance, high identification accuracy, strong anti-collision and etc.l Mostly apply to vehicle management, home-to-school system ... tracking, logistics and warehouse management, electro-mobile anti-theft system, smart transportation and etc.FeaturesReading distance up to 250 meters, ... °Front-to-back ratio>25dBVSWR<1.5Polarizationvertical E-School active RFID reader long range