4G Router have sim card slot 4G antennas for network connectivity. User access inter via wifi or ethernet RJ45 port. 4G router available from Tp-Link, D-link, Tenda brand & usually are unlocked which means any sim can be used in sim slot provided. Usually micro or mini sim card are used in 4g routers. Any 4G sim card ca be used for Airtel, Jio, Vi or Bsnl 4G network in India.

Here is list of 4G Routers with unlocked sim card slot for all kind of 4G sim card support:
Tp-Link MR600 4G+ AC1200 CAT6 GIGABIT ROUTER


– CAT6 LTE speed DL upto 300Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN gigabit port
– Three RJ45 gigabit LAN port
– 2.4ghz N300 + 5ghz AC867mbps wifi support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
– Easy management via Tp-Link app
– Tp-Link Onemesh support
more details
Tp-Link MR100 4G N300 LTE CAT4 WIFI ROUTER



– CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + one RJ45 LAN port
– 2.4ghz N300 wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
more details
D-Link DWR-920V 4G N300 LTE CAT4 VoLTE ROUTER



– CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + one RJ45 LAN port
– ONE RJ11 voice port with VoLTE support
– 2.4ghz N300 wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
more details
TENDA 4G06 4G VoLTE N300 LTE CAT4 WIFI ROUTER



– CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + one RJ45 LAN port
– ONE RJ11 voice port with VoLTE support
– 2.4ghz N300 wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
– Easy management via Tenda app
more details
Tp-Link MR200 4G AC750 LTE CAT4 WIFI ROUTER



– CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + three RJ45 LAN port
– 2.4ghz N300 + 5ghz 433mbps wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
– BAND 5 support missing used by JIO
– Easy management via Tp-Link app
– Tp-Link Onemesh support
more details
Tp-Link MR400 4G AC1200 LTE CAT4 WIFI ROUTER



– CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + three RJ45 LAN port
– 2.4ghz N300 + 5ghz 867mbps wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
– BAND 5 support missing used by JIO
– Easy management via Tp-Link app
– Tp-Link Onemesh support
more details
TENDA 4G03 4G N300 LTE CAT4 WIFI ROUTER

CAT4 LTE speed DL upto 150Mbps & UL upto 50Mbps
– One RJ45 WAN/LAN port + one RJ45 LAN port
– 2.4ghz N300 wifi network support
– SMS support, Parental Control
– Guest WI-Fi, Wi-Fi schedule
– Easy management via Tenda app
more details

Few 4G router support voice calls too where one can connect any analogue wired landline or cordless phone for calling using the sim card mobile number. Another useful feature is carrier aggregation or 4G+ which allow the 4G router to access two or more different mobile frequency at same time for better speeds. Currently we have Tp-Link MR600 only that supports 2CA. Hopefully more routers in future will support CA aka 4g+ network for better data speeds.

TP-Link TL-MR100 300Mbps 2.4GHz Wireless N 4G LTE, Wi-Fi N300, Plug and Play, Parental Controls, Guest Network, with Micro SIM Card Slot, WiFi Router, Black
  • Cutting-edge 4G network —— Share internet access with up to 32 Wi-Fi devices and enjoy download speeds of up to 150 Mbps
  • Plug a SIM card and play —— No configurations needed, compatibility of SIM cards in 100+ countries are assured by years of field tests
  • Two detachable advanced LTE antennas —— Enjoy stable and efficient connections to every device thanks to the two external antennas
  • Wi-Fi router mode —— Plug an Ethernet cable into the LAN/WAN port for flexible access if you can't get a 4G connection
CP Plus 4G SIM Card Wi-Fi Router with High Speed 4G Internet & Wider Wi-Fi Coverage |Support External Antenna | Support Reset, WPS Button - CP-XR-DE21-S
  • High Speed 4G Internet: Share your Fast 4G LTE Mobile internet anywhere, anytime and make it suitable for work from home or connect DVR/NVR/Wi-Fi Camera and IoT Devices.
  • Wider Wi-Fi Coverage: Support 2.4Ghz frequency to provide a wider coverage area.
  • Share Your 4G Network: With the 4G LTE network of this router, you can share this network with multiple Wi-Fi/LAN devices, so that you, your friends, and your family can enjoy browsing the Internet, stream HD movies, and more.
  • Secure Wireless Connection: Support WPA, WPA2 wireless security Encryption to enhance the security of data over wireless network.
  • Delicate Appearance: The new design with elegant texture makes it a stylish addition in the decor of any room in your home.
Conbre CPE MT-300H 4G Mobile Sim Based Wi-Fi Router (Supports 5G Sim) | Lastest WiFi 6 | Plug and Play | Support, NVR, DVR, WiFi,Camera and All 4G sim WiFi Router
  • [Latest cutting edge tech] : Universal 4G 3G LTE 300Mbps WiFi Router with 1 LAN Port,ideal to connect DVR CCTV and access remotely
  • [Plug a SIM card and play] – No configurations needed, compatibility of SIM cards in 100+ countries are assured by years of field tests
  • [Two detachable advanced LTE 4G antennas] – Enjoy stable and efficient connections to every device thanks to the two external antennas.
  • [Wi-Fi router mode] – Plug an Ethernet cable into the LAN/WAN port for flexible access as a backup option if you can't get a 4G connection.
  • [Wide Compatibility] - Support all mainstream ISP, including Jio, Airtel,Vodafone, BSNL, ACT, MTNL, Hathway, You broadband, GTPL, etc. The actual accessibility may still vary from the area
JioFi M2S Black | 4G Router from Jio | On The Go Device | Video & HD Voice Calls | Connect & Share | Cashback Worth ₹1500*
  • True 4G Speed
  • 4G Data and HD Voice even on 2G / 3G Smartphones
  • Recommended to connect up to 10 devices
  • Connect & Share
  • Powerful Battery
CF-4G 903 Pro | Wi-Fi-6 VPN Sim Router | 300Mbps Speed | All 4G/5G Sim Supports| No Configuration Required | Type-C Support | Connect 32+ Devices 4 Antenna.
  • 2.4 GHZ, WiFi+LAN/WAN,Linux
  • All 4G/5G Sim Supports,Supports up-to 300mbps
  • IMEI Based Nano Sim,
  • WiFi LAN/WAN With Auto-Switching
  • Type-C Support Internet & Power