NiTin coating: for excellent protection against environmental influences, anti-allergenic Beryllium copper alloy inner conductor, for F connectors with pin/inner conductor diameter 0.4-1.2 mm In combination with high-quality Cabelcon F-connectors, this ensures high signal quality despite the use of an adapter. 2 Return loss: greater than 30 dB / Suitable as an input socket for measuring devices with interchangeable input jacks (e.g. DSAM / SDA 5000) Box contents: 10 pieces