... RS232, RS485, USB 2.0, TTL, SPI, Clock & Data / ABA1,2 / Wiegand26-584. Compliant with CCID to eliminate the need for driver ... Three kinds of external antenna with different dimension are for selection, with tuner to adjust reading distance as optional.Customized service ... (6) Testing cards (7) Testing tags (8) RS232-RS485 converter module Mini RF module with RS232, RS485, USB, TTL, SPI, C & D, ABA1/ ...