Do you need to change a signal from one impedance to another? Then use this DXW21BN7511TL RF transformer from Murata. It has an operating frequency of 50MHz to 870MHz. This RF transformer has an operating temperature range of -40 °C to 85 °C. It has 4 terminals. Tape and reel packaging will encase the product during shipment, ensuring safe delivery and enabling quick mounting of components. This product is 2 mm long, 1.2 mm tall and 1.2 mm deep. It also has a balun transformer. It has a turn ratio of 1:1.