600  - 600 /150  Isolation Transformer - Used to provide isolation betweem Telecom Australia lines and mains operatedequipment..Austel Approved - Impedance: 600  line, 600  or150  Equip. - Turns Ratio:1: 1 - Max Level: +20dBm @ 200Hz - Insertion Loss: 1dB max @ 0 dBm - Freq Response: 200Hz- 3kHz± 1dB, 0dBm, 0DC - Return Lo ss: <15dB, 200Hz-3kHz - MaxUnbal. DC: 5mA - Proof T est: 3.5Kv RMS - (HWD): 17 x 35 x 29mm - Weight: 50 Grams