The PE8250 from Pasternack is an inner DC Block that operates from 10 MHz to 18 GHz. It has an insertion loss of 1.5 dB, a VSWR of 1.6:1 and matched to 50 Ohms. The high performance inner DC block has SMA connectors and measures 1.08 inches in length and 0.36 inches in diameter. It can operate at a temperature from -65 degree to +100 degrees.