Barely, you can connect any antenna that has the screw on connections and will work. I had to do the same to mine as some how I lost the antennas so I grab some from a different router. Works.
My Setup | ISP SparkLight | Internet Cable 1000↓/50↑ CAX80 Modem Mode | Wifi Router RBE971 | Switches NG GS105/8, GS308v3, GS110MX and XS505M | Additional NG HW: C7800/CAX30/CAX80/CM1100/CM1200/CM2000, Orbi: CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: MK63, MK93S, R7000, R7800, R7960P, R8000, RAXE500, RAX120v2, RAX50v2, XR450/500/700/1000,
