The NM-7/8F RF connector specified here is a kind of screw connection RF connector which is in accordance with IEC60169-16, featuring long life period, excellent performance and reliable connection. It can be exchangeable with same type of connector in the world and applied to RF cable in microwave equipment and digital communication sets.

1. Material and plating : (Part name: Material, Plating, Thickness)
   Shell : Brass (HPb59-1), Alloy plated, ≥3μ
   Coupling nut : Brass (HPb59-1), Nickel plated, 2～3μ
   Clamp: Brass (HPb59-1), Nickel plated, 2～3μ
   Pin : Brass (HPb59-1), Silver plated, 3～6μ
   Inner conductor : Bronze(QSn6.5-0.1), Silver plated, 3～6μ
   Insulator : (SFX-1-1)
2. Structure and exchangeability
   The connectors with same type center contacts or pins can be exchangeable;
3. Impedance : 50Ω
4. Frequency range : 0～3GHz
5. Temperature range : -40℃～+85℃
6. VSWR ≤1.08(800～1000GHz)
7.              ≤1.10(1700～2200GHz)
8. Insulation resistance : ≥5000MΩ
9. Mechanical durability : 500 Times
10. Withstand voltage : ≥2500V
11. Insertion loss : ≤0.12dB (900M)
12. PIM3 : ≤-155dBc@2x20W
13. Contact resistance : Inner conductor≤1mΩ
14.                                        Outer conductor≤0.25mΩ
15. Dimensions :