The ATEK367P4 is a phase shifter that operates in the 2 to 4 GHz band, offering a phase range of 0 to 375 degrees. It has a low loss of 3 dB, providing flexibility and precision in phase adjustments. With its ability to manage an IP1dB of 20 dBm, the phase shifter is well-suited for advanced RF and microwave applications requiring compact integration and high reliability.