Product Overview Our SFE-402-405 cavity band stop (notch) filter delivers precise suppression of RF interference across the 402–405 MHz band. Built for lab and field RF systems, this compact reject filter provides minimum 55 dB deep attenuation inside its target stopband, blocking unwanted interfering signals while fully preserving clean out-of-band signals. Rated for 2 Watts…

In high-frequency microwave systems, such as phased array radars, electronic warfare (EW) modules, and wideband laboratory testing, maintaining signal integrity is paramount. Designing broadband 2-18GHz 12-Way power splitters requires a meticulous balance of physical layout and electrical performance. As the number of output channels scales up to twelve, managing key RF parameters—specifically phase balance and…

300–700 MHz UAV Power Amplifier for Mission-Critical Drone Communication The PAE-0.3-0.7 is a high-performance 300–700 MHz power amplifier specifically engineered for mission-critical unmanned aerial vehicle (UAV) communication. Operating in the UHF band, this robust UAV power amplifier delivers exceptional diffraction capabilities, long-range RF transmission, and superior resistance to non-line-of-sight (NLOS) interference. Whether deployed in civilian,…

To address the specific operational needs of our valued customers, ESJ has recently developed and launched a customized dual junction circulator. Tailored for professional applications, this high-performance component covers a frequency range of 0.8-1GHz, a band widely utilized in various communication and electronic systems. A standout feature of this dual junction circulator is its low…