Malachite Radio Expansion Board for SDR-PRO/SDR-MAX Malachite SDR Receiver

Specifications Length 97 384mmWidth 20mmPCB Layers 4 layers Includes independent power supply and ground layer Frequency Range 500kHz to 4 5MHz Integrated four stage filter Attenuator PE4312 adjustable via Malachite ATT optionColor Random colorFeatures 1 Enhanced Signal Sensitivity Optimizes signal matching for better reception improving short wave and medium wave performance 2 Adjustable Attenuator Integrated PE4312 attenuator expands receiving dynamic range 3 Image Interference Reduction Four stage filter minimizes frequency distortions between 500kHz and 4 5MHz 4 Dual Antenna Support Compatible with 50 ohm systems and Hi Z high impedance input systems for versatile antenna options 5 Plug and Play Integration Seamlessly supports SDR MAX and SDR PRO without external technical support required What is an expansion board In the menu HARD SW antenna switch the external antenna typechoose 50 ohm system and high impedance Hi z antenna input system Optimum matching of the signals can significantly improve the receiving sensitivity For the low frequency receiving image problem this expansion board adds a four stage filter between 500KHz 4 5MMHz which can improve the image problem well In addition the expansion board adds a PE4312 attenuator which can be adjusted through the malachite ATT option value which greatly improves the receiving dynamic range of the malachite receiver Why choose the expansion board The expansion board can improve the sensitivity of