Attenuation parameter:. Attenuation(dB/m):0.276 (100MHz). Attenuation(dB/m):0.623(400MHz). Attenuation(dB/m):1.12(1000MHz) Description:These cables are RG174 shielded, connections inside are soldered and the cable is made of copper conductors. RG174 coax is recommended for high-powered applications or users who simply want the best coax possible. Specification: Type: TS9 Male to TS9 Female Antenna Cable Impedance: 50 ohm Cable length: 0.5 ft Nickel plated connector body Gold plated brass contacts Package Includes:1 x TS9 Male to TS9 Female Coax Cable