The model of physical foamed RF coaxial cable with vertical cover outer conductor has SYWLY-75-9-I, SYWLY-75-12-I, SYWLY-75-13-I, which has specialties of perfect performance of high channel, low attenuation, well-proportion impedance, smaller bending radius and not east to be wetted, etc. It can meet the requirement of modern complicated information net with wide channel 1. 5GHz, and suitable for digital signal. All of our products can be filled with jelly according to customer's requirement.