The TWN4 MultiTech Nano LEGIC 42 is a Programmable OEM RFID module with NFC support. It allows users to read and write to almost any 125 kHz, 134.2 kHz, and 13.56 MHz tag and/or label, supporting all major transponders from various suppliers like ATMEL, EM, ST, NXP, TI, HID, LEGIC, etc. and ISO standards like ISO14443A/B (T=CL), ISO15693, ISO18092 / ECMA-340 (NFC). This module measuring 31 x 17.8 x 2.7 mm has a LEGIC chip for reading LEGIC RFID standards. It is designed for integration into machines or other devices and can be connected to an external antenna through a printed circuit board.