DC-0308-050-10SF is a directional coupler that covers 300 MHz to 8 GHz with broadband flat coupling response, high directivity, and excellent return loss performance. Frequency sensitivity is ±0.6 dB typical. High directivity of 25dB typical. Mainline insertion loss of 1.3dB typical includes loss due to coupling factor. Return loss 23dB typical. Aluminum enclosure measures 6.00 x 0.73 x 0.50 inches with threaded mounting holes. SMA Female connectors. The device is RoHS compliant but may be special ordered with Lead solder to support military applications.