Review on 📶 Bingfu WiFi Antenna Extension Cable 2-Pack, 20ft RP-SMA Male to Female Bulkhead Mount for WiFi Router, Security IP Camera, Wireless Network Card Adapter, Lora LoraWAN Gateway by Ynot Karlen

I need to extend my Wi-Fi antennas about 15 feet off the ground, my husband is hiding in an old underground bomb shelter about 50 feet from the house where the router is located . I am using Wi-Fi 6 ROG NIC and AX11000 ROG router and my signal strength is around 30% at 480/Mb down, with my laptop next to the router with Wi-Fi 6 nic my speed is around 800/Mb down , so I'm trying To see if I can get that speed cheaply since I still don't have enough for a WiFi 6 repeater, I tried extending my antenna above the ground as my laptop on the bunker is about to lose 650/mb. but these extensions reduced my signal by 8%, causing me to lose about 20/Mb. Now I just have to wait until I can afford a WiFi 6 extender.