Working frequency band: 920-925MHz (national standard) / 902-928MHz (American standard) Working standards: ISO 18000-6C / EPC C1G2, ISO 18000-6B, GB / T29768-2013 (expandable support) RF power output: two versions of 33 / 36dBm, 1dBm step adjustable Batch reading capacity: 300/800 or more (depending on the goods and labels) Communication interface: Ethernet 10/100, WiFi Screen door: front and back automatic rolling gate, obstacle detection Touch screen specifications: 17-inch industrial capacitive display (embedded) IPC specifications: I5 processor, 4GB running memory, 120GB SSD solid state drive Default system: windows 7 External material: sheet metal spray Shielding performance: front and side angles are less than 10cm External dimensions: 1800 (length) x 1680 (width) x 2450 (height) mm Internal dimensions: 1600 (L) x 1260 (W) x 1995 (H) mm