UHF-RFID D-100 to arduino

Hello guy i need your help to me i use my arduino to read data from UHF rfid d-100 but it isn't show any data to Serial monitor yet, and right now i use software Serial in this project but it still doesn't work. So if you have an experience with this project please help me

Serial_Protocol_User's_Guide_V2.38_en .pdf (489 KB)