The 1018A RF Peak Power Meter measures power from 10 ?W to 10 mW (-20 to +10 dBm). Frequency range from 100MHz to 12.4GHz. Maximum power input of 50 mW peak. Measurable pulse width from 0.35 ?sec to CW. Maximum error at 100MHz of 5% of reading (linear); 0.3 dB (logarithmic). Frequency response of ? 0.5 dB from 100MHz to 12.4GHz. Features 3-digit display.