Phlux Technology, a manufacturer of avalanche photodiode (APD) infrared (IR) sensors, announced the beta sample availability of the Apex 200 µm receiver module, PX02200-TO, for ultra-low-light detection as part of a family of Apex receivers that combine Phlux’s Noiseless InGaAs® Aura APD detectors with low noise, optimised pre-amplifier circuits all integrated in a convenient industry standard TO-8, 12-pin header package.