Model WMC-2-8-10dB-S from Werbel Microwave is a directional coupler that covers 2 to 8 GHz with broadband flat coupling response, high directivity, and excellent return loss performance.  Coupling flatness ±0.5dB typical.  Return loss 23dB typical.  Directivity 22dB typical.  Mainline loss 0.72dB typical.  The 2-8GHz makes it ideal for Wi-Fi and extended Wi-Fi test setups, as well as military radio S band and C band operations all in one device.  The small enclosure measures 2.00 x 0.69 x 0.38 inches and includes two mounting holes within the envelope.  Connectors are stainless steel SMA female.  The device is RoHS compliant.