Bolton400 50-ohm Black Coax Cable - Low Loss Coaxial LMR400 Spec (500 Ft) - Walmart.com
Amazon.com: 10ft KMR400 Low Loss Coax Extension Cable (50 Ohm) N Male to N Male Connector Coaxial Cables for 3G/4G/5G/LTE/GPS/WiFi/RF/Ham/Radio to Antenna or Phone Signal Booster Use (Not for TV) : Electronics
Proxicast- Coax Cable - N Male to N Male
DX Engineering DXE-400MAXDN050 DX Engineering 400MAX Type N Low-Loss 50-ohm Coax Assemblies | DX Engineering
50' Coax Cable Low Loss LMR240 RG8X Solid Center BR240 UHF Male PL259 Connectors | eBay