The BIS VM-305-001-S4 (BIS00T9) is a high-frequency (13.56 MHz) RFID assembly with dimensions of 25 x 10 x 50 mm, designed for metal-free installation (clear zone). It features a round antenna type and supports data carrier types compliant with DIN ISO 14443 and DIN ISO 15693 standards. The unit comes with a male 4-pin connector, 0.50 meter PU cable, and an ABS housing material.