The LDM152G4510EC013 from Murata is a balun designed for Bluetooth, Wi-Fi and ZigBee applications. It has a pass band from 2.4 to 2.5 GHz with unbalanced port impedance of 50 Ohms and balanced port impedance of 100 ohms. These baluns are available in a standard size from 1.0 x 0.5 x 0.4 mm. They are based on Muratas LTCC multilayer ceramics integration technology.