Description: Frequency: 902-928MHz protocol: ISO 18000-6C network: Wifi, Bluetooth, 4 g reading distance: 0-25m Operation System: Android 11 Customized support: OEM, ODM, Customized Logo Place of Origin: Guangdong, China Frequency: 865~868MHz (EU standard) 902~928MHz (US standard) Protocol: ISO/IEC18000-6C / IEC18000-6B /EPC C1Gen2 RF output power: 0-33dBm Power Supply: DC 12-24V Polarization Mode: Circular polarization Gain(dBi): 9dBi Communication interface: 1 x RS-232 , 1*RJ45, 3 x USB2.0 Type A, Supports 4G Dimension (mm): 133*133*70mm Material: ABS Plastic Degree of protection: IP67 Selling Units: Single item Single package size: 40X40X40 cm Single gross weight: 2.500 kg Location: KLN HONG KONG hong kong