The higher in frequency and the longer of the length, then the greater of the attenuation. Please pick the length according to your usage.
Use to connect SMA radio sources such as modem, routers, etc. to the female N connector found on many external fixed mount antennas (e.g. Yagi, directional panel, fiberglass omni-directional). NOT for use with Wi-Fi (RP-SMA) or video (cable/satellite/CATV) devices
Type: SMA Male to N Male
Impedance: 50 ohm
Cable length: 20 inch
Coax: RG58 low-loss size (0.2 inch diameter)
2 x RG58 SMA Male to N Male Coax Extension Cable
sourcing map Coax Extension Cable Low-Loss 20 Inch SMA Male to N Male RG58 Jumper Cable 2pcs-B07T4F9WHZ