Ham and CB Radio Transmission Antenna Line GMRS repeater and base coaxial line - MILSPEC RG-213 coaxial cable (40 foot) PL-259 Male M17/163A RG-213/U MADE IN THE USA MILSPEC RG-213u Coaxial Cable exceeding all US, NATO and IDF MIL-C-17 Standards - NOT Made in China 40 feet of Coaxial cable 50 Ohm for lowest loss in a frequency operating range up to 400 MHz Outer Jacket Material: Flexible UV Proof FR-PVC, Outer Diameter: .400 (10.3mm) nom., SRL: per MIL-C-17/74 Velocity of Propagation: 66 % nom. / Dielectric Strength:10000 V minute / Corona extinction: 5 kV / Voltage Rating:3700 V Max. / Operating Temperature: +70 Degree C - Min. Operating Temperature: -20