The XFM-2501-4WH from MiniRF is a Transformer that operates from 500 to 2500 MHz. It has an insertion loss of less than 3 dB and an unbalanced to balanced impedance ratio of 1:4. This 50-ohm transformer can handle an RF power of up to +33 dBm. It is available in tape-and-reel surface-mount packages that measure 0.200 x 0.150 x 0.153 inches and are designed for applications that require small, low cost, and highly reliable surface mount components in wireless and other communications systems.