This Attenuator is part of the UltraCMOS® series.Packaging for the optical attenuator consists of Strip solid enclosures.The RF Attenuator is convenient to ship overseas because it is packed in a 12-VFQFN Exposed Pad.The RF Attenuator for the 12 pins explain the functions.As determined by test statistics, the Attenuator would operate at -40°C.Temperatures over 85°C should not be allowed for the RF Attenuator to operate.