The M3933/14-21N is a fixed coaxial attenuator that provides a nominal attenuation of 12 dB. It operates over a frequency range from DC to 12.4 GHz with a characteristic impedance of 50 Ohms and maintains an attenuation accuracy of ±0.5 dB. This device is rated for 2 watts of average power at 25°C (derating to 0.5 W at 125°C) and can handle a peak power of 200 watts. Built with a passivated stainless steel body and gold-plated contacts, it is designed for reliable performance in demanding RF applications within an operating temperature range of -55°C to +125°C.