Guerrilla RF’s GRF6412 is a wideband SPI-controlled digital variable gain amplifier covering 50 MHz to 8 GHz with a 31.75 dB range in 0.25 dB steps. Rapid Fire mode supports instant attenuation changes, minimal glitching under 2 dB, and supports both DSA+AMP and AMP+DSA cascades. With up to 19.2 dB gain, 2.6 dB noise figure, and 37 dBm OIP3, the GRF6412 is ideal for wireless infrastructure, V2X, and high-performance AGC loops.