Hardware and PCB design for the RFID 125 kHz duplicator and single card emulator device with USB data transfer ability. Original device schematic, firmware and PC software was created by IPLOGGER. Project link on RadioCat's forum.
STwilight/RFID-Emulator
PCB for RFID emulator and duplicator, created by iplogger: http://tinyurl.com/j6gyqs3