BUY MSA-0505 https://www.utsource.net/itm/p/503399.html
Cascadable Silicon Bipolar MMIC Amplifier
MSA-0505 is an Agilent/HP Latin Cross. It is a passive component used in high-frequency applications. It is designed to provide a balanced signal path with low insertion loss and high isolation. It is suitable for use in a variety of applications, including cellular base stations, microwave radio systems, and satellite communications. It features a wide frequency range of 0.5 to 5 GHz, low insertion loss of 0.4 dB, and high isolation of 25 dB. It also has a high power handling capability of up to 200 watts. (For reference only)