The SLDA31-2R400G-S2TF is an electronic part with Antennas SMD, 3.2x1.6mm RoHS manufactured by Sunlord. This device is an RFID/NFC reader antenna with integrated matching circuitry for low power consumption and wide read distances. It has a broadband of 2.4GHz, a low VSWR of 1.25:1, and an impedance of 50ohm. The SLDA31-2R400G-S2TF is made to be RoHS compliant and is suitable for a variety of RFID/NFC applications.