... and data processing ability. Custom UHF reader and antenna, that can realize automatic real-time read tray ... interface, 2 USB interface, and a RFID external antenna connector, can convenient the user according to the ... dBmRead-write Distance: 1.5 MeterAntenna:Circularly polarized antenna (5.5 dbi), standard configuration) or external antennaAudio ... ,a power adapter , a set of antenna mounting bracket