"The item is made of aluminum alloy (QQ-A-200/250), chromate corrosion coated (MIL-C-5541, Class 3). It has a peak operating power of 1 Watt, frequency range specified in PDS22733, and a VSWR not exceeding 1.15 over the frequency range. The insertion loss is no greater than 0.3 over the frequency range, and isolation is no less than 23 dB. Operating temperature range: M54 °C to P80 °C; RF connector: SMA female."