| 
| 7/8〞Super flexible RF coaxial cable |  
|  |  
| 
| Type                                     Type No. |  
| Standard cable                       HHTAY-50-21 Fire-retardant cable                HHTAYZ-50-21
 |  
| Construction |  
| Inner conductor
 | Material | Helical corrugated copper tube |  
| Diameter(mm) | 9.4±0.1 |  
| Insulation | Material | Foamed PE |  
| Diameter(mm) | 22.5±0.25 |  
| Outer conductor
 | Material | Annular corrugated
 copper tube
 |  
| Diameter(mm) | 25.0±0.2 |  
| Jacket | Material | LLDPE or fire-retardant PE |  
| Min.thickness(mm) | >1.0 |  
| Diameter(mm) | 27.5±0.25 |  
| Mechnical Characteristics |  
| Bending radius(mm) | Single bend | 80 |  
| Repeated bend | 125 |  
| Tensile strength(N) | 2000 |  
| Cable weight(kg/km) | 450 |  
| Recommended temperature(℃) | Storage | -70~+85 |  
| Installation | -40~+60 |  
| Operating | -55~+85 |  |  
| Products meet the RoHS requirement, and according to the requirements of RoHS, you can see the RoHS mark on the outside package. |  | 
| 
| Electrical Characteristics |  
| Inner conductor DC resistance(Ω/km) | 2.97 |  
| Outer conductor DC resistance(Ω/km) | 1.31 |  
| Characteristic impedance(Ω) | 50±1 |  
| Capacitance(p F/m) | 76 |  
| Velocity(%) | 88 |  
| Dielectric strength(KV) | 6.0 |  
| Insulation resistance(MΩ/km) | >1×104 |  
| Peak power rating(KV) | 90.0 |  
| Peak voltage(V) | 3100 |  
| Cut-off frequency(GHz) | 5.2 |  
| Attenuation and Average power |  
| Frequency (MHz)
 | Attenuation (@20℃,d B/100m)
 | Average  power(kv) |  
| 150 | 1.61 | 5.45 |  
| 450 | 2.88 | 3.03 |  
| 800 | 3.93 | 2.22 |  
| 900 | 4.19 | 2.09 |  
| 1000 | 4.44 | 1.97 |  
| 1500 | 5.58 | 1.57 |  
| 1800 | 6.18 | 1.41 |  
| 2000 | 6.55 | 1.32 |  
| 2200 | 6.93 | 1.26 |  
| 2500 | 7.45 | 1.18 |  
| 3000 | 8.28 | 1.05 |  
| VSWR |  
| 800MHz~1000MHz | 1.13 |  
| 1700MHz~2000MHz | 1.13 |  
| 2100MHz~2400MHz | 1.13 |  |  
| Note: For fire-retardant jackter cable,recommended temperature:
 Storage:-30℃~+80℃
 Installation:-25℃~+60℃
 Operating temperature:-30℃~+80℃
 |  |