This device is a radio tuner antenna set featuring an improved PCB design, USB noise choke ring, enhanced ESD protection, and optimized front-end circuitry for reduced noise and spurs. It tunes from 500 kHz to 1.7 GHz with up to 3.2 MHz of instantaneous bandwidth (2.4 MHz maximum stable, 3.2 MHz under specific conditions). Compatible with Windows and other operating systems. Features - 4.5V bias tee circuit可 activated via software - Improved PCB design for lower noise and fewer spurs - USB noise choke ring, additional bypass capacitors, and internal shielding to reduce PC noise - Enhanced ESD protection with additional diodes and discharge paths - Optimized front-end circuit designed for broader application use - Frequency range: 500 kHz to 1.7 GHz - Instantaneous bandwidth up to 3.2 MHz (2.4 MHz max stable) - Supports multiple software-defined radio applications Specifications - Color: Blue - Size: 10.5 x 2.5 x 1 cm - Material: Plastic and aluminum - Connector: SMA - Chipset: RTL2832U ADC - Tuner: R820T2 - TCXO: 1PPM - USB Port: 2.0 Package List 1 x Antenna Set