7dbi Built-in Circularly Polarized Antenna Wiegand Output Interface 5m Intergrated 868Mh ~915Mhz LED Fixed RFID UHF Reader
-1, Frequency: 865~868MHz(EU standard),902~928MHz(US standard)
-2, Protocol: ISO18000-6B/6C(EPC GEN2)
-3, Built-in antenna: 7dbi circular antenna
-4 Free SDK and configuration software .