This LDB212G4020C-001 RF transformer from Murata uses changes of electrical signals to produce a varying magnetic flux. It has an operating frequency of 2.3GHz to 2.5GHz. This RF transformer has an operating temperature range of -40 °C to 85 °C. It has 6 terminals. This product is 1.6 mm long, 0.6 mm tall and 0.8 mm deep. It has a turn ratio of 1:2. It also has a balun transformer.