Can be connected through a network cable, and you can use 4G to surf the Internet through a SIM card. Increase Wi-Fi coverage area and eliminate network blind spots. WiFi: Support IEEE802.11b/g/n frequency band is 2.4G.
eBay
E5885 Mobile Wifi Router LAN+RJ45 4G Lte Wireless Portable Mini Pocket Wifi Router CAT4 150Mbps With SIM slot
Aliexpress UK
Card Slot: Standard SIM Card. Portable Size: Adopts light and slim design, very easy to carry, allows your wifi to follow your footprints around the world. WiFi: 2.4GHz. 4G LTE: B1/B3/B5/B8. 1 x Charging Cable.
eBay
4G Mobile WIFI Router 150Mbps 4G LTE Wireless Router 3000mA Portable Pocket MiFi Modem Mobile Wifi Hotspot with Sim Card Slot
Aliexpress UK
Model: H927. H927 (support: Asia, Africa, Southeast Asia). 4G LTE: B1/B3/B5/B8/B34/B38/B39/B40/B41. 4G LTE: B1/B3/B5/B7/B8/B20/B28/B38/B40/B41. 4G LTE: B1/B2/B3/B4/B5/B7/B8/B12/B17/B28/B66/B38/B40/B41.
eBay
4G SIM WiFi Router Modem WiFi 6 With SIM Card Slot 300Mbps Signal Amplifie Support 32 Device Connections 4G LTE WIFI Router
Aliexpress UK
Card Slot: Standard SIM Card. Portable Size: Adopts light and slim design, very easy to carry, allows your wifi to follow your footprints around the world. WiFi: 2.4GHz. Battery Type: Built in 10000mAh Lithium Battery (Battery Included).
eBay
4G WiFi Router Industrial Grade 4G Broadband Wireless Router 4G LTE CPE Router With Sim Card Slot Antenna Firewall Protection
Aliexpress UK
Huawei 4G CPE B625-261 Wi-Fi Hotspot Router - White with Sim Card Tray Mobile. Works fine in smoke free home and been wiped down with anti bac. Just changed to a 5g one.
eBay
4G LTE WiFi Router WiFi 6 Modem 300Mbps With SIM Card Slot Fixed Telephone Volet WAN/LAN Adaptive Interface Supports 32 Users
Aliexpress UK
The frequency band of the machine matches the frequency band of the SIM card, but still cannot connect to WiFi. If it does not match, you can change it in the software, and you can basically connect.
eBay
4g SIM WiFi Router WiFi 6 Modem With SIM Card Slot 300Mbps Signal Amplifie Support 32 Device Connections 4G LTE WIFI Router
Aliexpress UK
Feature: 1. Card Slot: Standard SIM Card. Portable Size: Adopts light and slim design, very easy to carry, allows your wifi to follow your footprints around the world. WiFi: 2.4GHz. 4G LTE: B1/B3/B5/B8.
eBay
ZTE MF286D 4G LTE Router Wifi With 4G CPE Routers WiFi Hotspot Router with Sim Card Slot 2pcs antennas CAT12 600Mbps
Aliexpress UK
Engraver Pen. But different operators have different frequency bands in different countries. 3D Printer Accessories. WIFI Module. Spot Welders. Amplifier board. Lithium battery PCB board. Alarm System.
eBay
4G Lte WIFI Router Sim Card Slot Wireless Portable Router Mini Outdoor Hotspot Mobile WiFi Router Pocket WIFI Router for Car
Aliexpress UK