Previously, there was a design: antenna - cable - usb-modem - router. And periodically the Internet disappeared, I had to restart everything. Now there is no such problem.
Boost Mobile Signal with 4G LTE Antenna TS9 - Dual 📶 Mimo WiFi Amplifier for Huawei Hotspot - Long Range High Gain Antenna
9 Review
Gadgets World FBA_ALFA ARSN19M OMNI Directional High Gain
9 Review
📶 Proxicast Ultra Low Profile MIMO 3G / 4G / LTE Omni-Directional Screw-Mount Antenna for Verizon, AT&T, Sprint (and Others) Modems & Routers with SMA External Antenna Ports
9 Review
Asus RP-N12 N300 WLAN Repeater 🔁 802.11 B/G/N - Boost Your Wireless Range!
10 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review
🔌 CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review
🔌 Juiced Systems Silver BizHUB USB-C Multiport Gigabit HDMI Hub with 3 USB 3.0 Ports, Gigabit Ethernet, 4K HDMI, SD/Micro SD, and USB-C Power Delivery
11 Review
🌐 StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review