Low SWR General purpose Frequency range: dc to 4 GHz Maximum SWR: 1.05 Maximum power: .5 W average, 1 kW peak Impedance: 50 ohms Connector type: type-N male Length: 51 mm (2 in) The Keysight 908A is a general-purpose, low-reflection load for terminating a 50-ohm coaxial system in its characteristic impedance over the dc to 4 GHz range. It is suitable for both broadband and narrowband measuring instruments.