Frequency: 13.56MHZ Read distance: 900-1000mm RF output power: 4W Protocol: ISO/ IEC15693 Power: 12 Tag reading speed: 80pcs/ s Operation temperature: -20 º C to + 65 º C Storage temperature: -25° C to 80° C Humidity: 10% to 95% Size: 215* 138* 39mm Weight: 1100g