Quantic PMI Model LM-200M400M-200CW-NFF is an ultra-high power limiter operating in the frequency range 200 MHz to 400 MHz, with 200W of CW power handling (+53 dBm), and peak power 2 KW typically (+63 dBm), 25 µs PW, 5% duty cycle. Package size is 1.5" x 1.0" sq with Type-N female input connector & SMA female output connector.