PMI Model No. LM-150M5G-200CW-2KWPK-AGAL is a Limiter that operates over the 0.15 to 5.0 GHz frequency range. It has a maximum insertion loss of 2.0 dB and a maximum recovery time of 100 ns. This model is outfitted with SMA female connectors in a housing measuring 1.00" x 0.68" x 0.35".  https://www.pmi-rf.com/product-details/lm-150m5g-200cw-2kwpk-agal