FOR FULL SPECIFICATIONS AND DETAILS, PLEASE REVIEW THE PRODUCT PAGE AT NOOELEC.COM Introducing the Nooelec Ham Filter Bank Barebones. Enhance your ham radio experience with 5 bandpass filters, passthrough option, and multiple powering options. This high-performance module provides unmatched signal isolation and precise frequency selectivity, elevating your radio experience. With its versatile passthrough option, you can seamlessly integrate additional equipment into your setup. Operating across the 2m, 1.25m, 70cm, 33cm, and 23cm bands, the Nooelec Ham Filter Bank empowers you with exceptional clarity and reliability. Whether you're a seasoned enthusiast or a beginner, this module is an indispensable addition. Each module allows for 3 different power options, but you should only power with one option at any given time! The recommended power input through the SMA output port (for bias-tee capable SDRs like the NESDR SMArTee XTR) is 3V-5V DC. Alternatively, if you don't have a bias-tee capable SDR, you can use the external power options--the micro USB port, or DC barrel connector via the included DC barrel connector to micro USB adapter. The recommended external power input is 3.3V-5.5V DC. It features a pushbutton switch enabling a 4.5V bias tee voltage at the input SMA for enhanced functionality and expanded possibilities. Upgrade your ham radio experience today with the Nooelec Ham Filter Bank. Order now for enhanced reception, improved signal isolation, and unparalleled frequency selectivity. Step into the world of ham radio with confidence and clarity like never before. See moreProudly made in North America, ensuring exceptional quality and reliability. Backed by a generous 2-year warranty for peace of mind. For more information review the product page or datasheet: https://www.nooelec.com/datasheets/100849. This device features a pushbutton switch that enables the application of a 4.5V bias tee voltage to the input SMA, allowing for a smooth integration with bias tee-powered devices. Suitable for ham radio communication, selective signal processing, and transceiver protection. The available high performance passband filters include 2m (144MHz-148MHz), 1.25m (220MHz-225MHz), 70cm (420MHz-450MHz), 33cm (902MHz-928MHz), and 23cm (1240MHz-1300MHz). Five ham radio channel filters in one module! The filter bank module covers five ham radio bands, providing you with a wide range of frequencies to explore and communicate on.