Note : Your Quotation Request will be directed to Coilcraft.
The WB1-1L from Coilcraft is a Balun with Frequency 0.15 to 500 MHz, Impedance Ratio (Num) 1:1, Current 250 mA. More details for WB1-1L can be seen below.
1:1 Transmission Line Transformer from 45 to 1200 MHz
You can now find similar products from multiple companies on everything RF.