HP (Hewlett-Packard) 11667B is a two-resistor power splitter used in network measurement systems where one output arm is used for leveling or to supply a reference signal for ratio measurements. It has a frequency range of DC to 26.5 GHz and a maximum input power of +27 dBm (0.5W). The output tracking between the output arms is 0.25 dB from DC to 18 GHz and 0.40 dB from DC to 26.5 GHz. The power splitter has precision 3.5mm female connectors on all ports and dimensions of 47 mm wide x 40 mm high x 10 mm deep (1.85 in x 1.57 in x 0.39 in). It has a shipping weight of 0.14 kg (4.94 oz).