AiT Instruments specializes in SiPM (Silicon Photomultiplier) instrumentation, offering a range of readout solutions for SiPM arrays. Their products include 4-channel readout, row and column readout, individual readout, and summing readout systems. They provide data acquisition solutions such as passive base systems and bias voltage supplies for SiPM arrays manufactured by Hamamatsu and Onsemi. AiT Instruments' offerings also include preamplified active bases, Active Base Receivers, and SiPMDAQ data acquisition products for efficient SiPM array readouts. The company focuses on innovative technologies like channel-reducing charge division and high-speed low-power amplifiers to support various SiPM array configurations.