Note : Your request will be directed to Coilcraft.
The PWB-16-BL from Coilcraft is a Balun with Frequency 0.075 to 90 MHz, Current 250 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for PWB-16-BL can be seen below.
GaAs MMIC Balun from 1 to 4 GHz
50 Ohms to 100 Ohms Balanced Balun operating from 12.7 to 15.4 GHz
You can now find similar products from multiple companies on everything RF.