Your specs show that the range is 0-30m but I cannot find any specs that show the spread of this antenna? what is the width of the beam at 10m or do you have any other information on it? Working frequency:902~928MHz(US), 865~868MHz(EU)Protocol:ISO18000-6C(EPC C1 Gen2)Chip:Impinj R2000Read range:Stable reading range 30mTag handing volume:0-200 tagsCommunication port:TCP/IP,RS232,RS485,WiFi,GPRSDimension:450*450*50mmPower Supply:12V/3AWeight:5kgSoftware:30m long range passive uhf rfid readerFrequency:860-960mhzProtocol:ISO 18000-6C Show More