Spectrum SC56-715-002 is a type of high speed, wide-band directional coupler. It is designed to provide superior performance in applications requiring wide frequency range, low insertion loss, high directivity and broad bandwidth. This directional coupler has an insertion loss of 0.2 dB, directivity of 23 dB and a frequency range of 500 MHz to over 2 GHz. It has an insertion loss flatness of 0.3 dB, return loss of 22 dB, isolation of 23 dB, and amplitude and phase balance of 0.1 dB and 4°, respectively. This type of directional coupler is suitable for use in a wide range of radio frequency systems, including cellular, wireless LAN, W-CDMA, and satellite communications.