The TG302D / 2-4GHz from Sainty-Tech Communications Limited is a RF & Microwave Isolator with Frequency 2 to 4 GHz, Average Power Reverse 10 W (Load), Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Drop-In Isolator. More details for TG302D / 2-4GHz can be seen below.