Technical Specifications:
The document provides technical data for various types of coaxial cables used in radio communications and high-frequency transmission technology. The cables feature a silver copper conductor and PTFE insulation, with a temperature range of -55℃ to +200℃. The color options include white-transparent or other variations.

Types and Construction:
The document lists several types of coaxial cables, including RG178, RG316, RG393, RG142, RG141, RG304, RG179, RG302, RG303, and RG180. Each type is detailed with its conductor construction, outer diameter, shield type, and other specifications such as resistance and attenuation.

Key Parameters:
- Conductor: Silver Copper
- Insulation: PTFE
- Temperature Range: -55℃ to +200℃
- Shield Types: Single Braid, Double Braid
- Resistance and Attenuation: Specific values are provided for each cable type, indicating their performance in terms of resistance (Ω) and attenuation (dB/m).

Applications:
These coaxial cables are suitable for use in electronic devices for radio communications and other high-frequency transmission technologies.