There is a Tray solid enclosure around the optical attenuator.Based on test statistics, the Attenuator's minimal operating temperature would be -55°C.Temperatures higher than 150°C are not recommended for operation of the RF Attenuator.
250-200RM Features
-55°C degrees Celsius Above 150°C degrees Celsius
250-200RM Applications
There are a lot of Anaren 250-200RM Attenuators applications.