8472B/101/301/401 has BNC Output Connector, Negative Polarity output, No matched response

• Frequency response: ±0.3 dB to 12.4 GHz, ±0.5 dB to 15 GHz, ±0.6 dB to 18 GHz
• Maximum SWR: 1.5 to 4 GHz, 1.35 to 7 GHz, 1.7 to 18 GHz
• Low-level sensitivity: > 0.5 mV/µW to 18 GHz
• Maximum operating input power: 200 mW
• Typical short-term maximum input power (< 1 minute): 1 W
• Noise: < 50 µV
• Input connector: SMA male

Keysight 8472B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness.