Insertion ≦ 0.2 dB (Zr. Ceramic) ≦ 0.3 dB (P-Bronze) Repeat ability 0.2 dB (500 Cycle Passed) Operating TempRange - 40°C to+ 75°C StorageTempRange - 40°C to+ 85°C Humidity 95%RH (Non-Packaging)