The SLDA31-3R400G-S1TF with Antennas SMD,3.2x1.6mm RoHS is a part manufactured by Sunlord. It is a 3D antenna in a water-tight, SMD, 3.2x1.6mm package, made to meet the EU RoHS directive. The antenna operates from 400MHz to 500MHz and is designed to provide maximum performance in applications such as wireless communications, vehicle tracking, GSM/CDMA, RFID, and wireless networks (Wi-Fi, WiMax, Bluetooth). The antenna features an omni-directional, horizontally polarized, radiation pattern for use in applications where a wide coverage area is required. This part is ideal for use where space is at a premium and its low profile design ensures it fits easily into most spaces.