Simply insert a SIM card and get all your Wi-Fi devices connected to the internet, very convenient for places where cable internet is unavailable. Plug in an Ethernet cable with internet to the WAN/LAN port to use it as the main source of the internet and set 4G as the backup.
eBay
For Xiaomi Poco M6 Pro 4G Sim Tray Sim Card Holder Sim Card Slot Holder Tray Smartphone Repair Parts
Aliexpress UK
Convert 4G LTE Cat.6 signal to fast AC1200 dual band Wi-Fi, share Internet to all your wired and WiFi devices to enjoy uninterrupted streaming. Detachable 4G Cellular antennas. Simply insert a SIM card and get all your Wi-Fi devices connected to the internet, very convenient for places where cable internet is unavailable.
eBay
OPTFOCUS 4G LTE Modem 300Mbps 3 LAN Wifi SIM Card 4G gsm Modem Wi Fi Roteador LTE CPE with VPN B28 Supported For America Europe
Aliexpress UK
Insert the SIM card first and then turn on the phone! Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Origin: Mainland China.
eBay
Portable WiFi USB 4G Modem 150Mbps SIM Card USB 4G Modem Pocket Hotspot WIFI Dongle B7 B20 Frequency Band for Home Car
Aliexpress UK
Wireless Network Support Frequency:2.4G. Whether you need to connect to the wired network: Yes. VPN:No VPN support.
eBay
OPTFOCUS WiFi6 LTE Modem Wireless WiFi USB Router Pocket WiFi Hotspot 150Mbps MINI Portable Hotspot SIM Router For Home & Car
Aliexpress UK
Tested Wi-Fi coverage performance in four different scenarios, achieved by Beamforming technology and two built-in antennas. Switch: Cudy GS108 (Skip this if you don't require extra wired connections).
eBay
Sim Card Tray Remover Eject Pin Key Tool Replacement SIM Card Tray Slot SD Card Holder Tray Open Ejector Gold Needle Pin
Aliexpress UK
Safe and Easy Sharing: Whether you're in a cafe or other public space, the WIFI hotspot feature allows you to securely share your internet connection with friends and family. 1 x Adapter. Frequency band: B1/3/5/7/8/20/38/40/41 (Eurasian Edition).
eBay
Budi Sim Tf Card Slot Storage Box With Mobile Phone Tray Pin Universal Pin Card Ejector Lanyard Card Phone Anti-lost Sim Ej Z1c0
Aliexpress UK
Feature: 1. Simple Operation: Simple operation, plug and play, just insert the SIM card can connect to WiFi. FDD LTE:B1/B3/B5/B7/B8/B20/B28. TDD LTE:B38/B40/B41. Interface Type: 1 x Standard Sim Card Slot, 1 x LAN, 2 x WAN.
eBay
Turkey Prepaid Data Sim / eSIM Card；Turkey Travel 5G / 4G Internet Sim Card；Travel Abroad Data Card For Turkey；
Aliexpress UK
Extended Battery Life: With a built-in 2100mAh battery featuring low energy consumption, the portable wifi hotspot provides 6-8 hours of continuous use. This makes it faster, more, and more portable, with the convenience of easy SIM card insertion and work.
eBay
Multi-function Card Slot Storage Box TF SIM Card Ejector Storage Slot With Lanyard Anti-lost SIM Card Removal Needle Pin
Aliexpress UK