The TELEDYNE RELAYS ER411M4-26B/S is a high-performance RF relay designed for applications in the frequency range up to 1GHz. This single-pole double-throw (SPDT) relay features a 26VDC coil for efficient operation and is housed in a TO-5 package, providing a compact and reliable solution for various RF switching needs. With its superior performance and rugged construction, the ER411M4-26B/S is ideal for use in telecommunications, broadcasting, military, and aerospace industries.