Quantic PMI Model LM-12-20-5W-2 is an RF power limiter with a frequency range of 1 to 2 GHz, average power of 5 W, peak power of 400 W, leakage power of <100 mW, insertion loss of <1 dB and VSWR of 2.0:1. The size is 1.0" x 1.0" x 0.4" with SMA male/female connectors. https://www.quanticpmi.com/product-details/lm-12-20-5w-2
