COMFAST provides professional OEM & ODM services for Mobile Network Routers
COMFAST provides professional OEM & ODM services for mobile network routers.
As a leading provider in the global market, COMFAST delivers high-quality B2B connectivity solutions for 4G and 5G network devices. We focus on a full range of wireless routing products, including UFI, MIFI, CPE and router, meeting the demands of both commercial and industrial scenarios.
COMFAST integrates R&D, production, customization and service. Our professional R&D team ensures our 4G and 5G products stay technologically competitive. We own standardized production bases, strict quality control systems and complete product certifications, supporting stable mass production.
We offer one-stop OEM & ODM services for mobile network equipment, with flexible MOQ, fast sample development and reliable delivery. Our stable supply chain provides obvious cost advantages, and our professional team offers comprehensive pre-sales and after-sales support.
COMFAST is your reliable strategic partner for UFI, MIFI, CPE and router solutions.
What Is a Mobile Network?
A mobile network is a wireless communication system that connects mobile devices like smartphones, tablets, and IoT terminals to cellular services. It enables voice calls, text messaging, and mobile internet access through radio waves and cellular towers. Modern 5G and 4G LTE mobile networks deliver ultra-fast speeds, low latency, wide coverage, and stable connectivity for personal, commercial, and industrial applications.
Key Features of Mobile Networks
4G LTE and 5G NR support for high-speed wireless data transmission
Wide-area cellular coverage with seamless roaming between base stations
Low-latency transmission ideal for real-time applications and IoT devices
Built-in user authentication and encryption for secure data communication
Simultaneous support for voice, SMS, and high-speed mobile internet
Flexible data plans and network access control
High device capacity for dense urban areas and massive IoT connections
Types of Mobile Networks
4G LTE networks for reliable high-speed mobile internet and voice services
5G networks for ultra-low latency, high bandwidth, and industrial applications
Public mobile networks operated by telecom carriers for general users
Private mobile networks for enterprise, industrial, and dedicated usage
Cellular IoT networks for low-power, long-distance smart device connections
Common Application Scenarios
Personal use: mobile calls, messaging, video streaming, and social media
Business use: mobile office, video conferences, and cloud data access
Transportation: connected cars, navigation, and in-vehicle internet
Public areas: outdoor coverage, emergency communications, and public services
Industrial IoT: smart manufacturing, remote monitoring, and unmanned devices
4G/5G Wireless Router Series
Our 4G/5G Wireless Router Series features rich models, delivering stable high-speed networking, seamless coverage, and reliable connectivity for home, office, and industrial scenarios.
4G/5G portable plug-in SIM card internet devices （UFI）
This 4G UFI supports 4G LTE, dual-network access, multi-device sharing, USB-powered plug-and-play and traffic management.
Boasting full network compatibility, this portable 4G UFI enables plug-and-play setup, multi-device sharing, and traffic management.
Equipped with foldable dual antennas and 4G LTE protocol, this 4G UFI supports dual-network access and USB-powered plug-and-play.
Featuring foldable dual antennas and full network compatibility, this 4G UFI enables multi-device sharing and traffic management.
4G/5G Portable Battery-powered SIM Card Wi-Fi Device（MIFI）
Ultra-portable 4G MIFI boasts WiFi6 300Mbps speed, 150Mbps LTE DL, 2100mAh battery and multi-device connection.
Boasting 4G MIFI with WiFi6 and 4G LTE CAT4, 3000mAh battery enables multi-device connection for on-the-go use.
Powerful 5G MIFI features WiFi6 dual-band, 6000mAh battery, 32-device connection and 2Gbps ultra-fast speed.
High-performance 5G MIFI supports SA/NSA, 2.77Gbps peak speed, 4400mAh battery and 16-device simultaneous connection stably.
4G/5G Mobile SIM Card Router
Portable 4G Router features WiFi6 300Mbps, 150Mbps LTE DL, four high-gain antennas for global multi-scenario use.
Industrial-grade 4G Router with WiFi6 300Mbps, 150Mbps LTE DL, four antennas and dual power for stable all-scene connection.
Portable 4G Router features WiFi6,150Mbps LTE DL, four antennas and dual power supply for global multi-scenario networking.
Versatile 4G Router with WiFi6 ,150Mbps LTE DL, three RJ45 ports and lithium battery for outdoor emergency networking.
High-speed 4G Router supports Cat.6 300Mbps DL, dual-band WiFi 1200Mbps, five gigabit ports and VPN for multi-device stable use.
4G/5G Outdoor SIM Card Access Point (AP)
Rugged 4G outdoor access point features WiFi5, 300Mbps WiFi, detachable antennas and POE/DC power for remote outdoor networking.
Dual-mode 5G outdoor access point, 3000Mbps WiFi6, six detachable antennas and 2.5G port for outdoor high-speed networking.
Industrial 4G outdoor access point supports WiFi6, 300Mbps speed, 150Mbps LTE and detachable antennas for secure networking.
Industrial 4G outdoor access point with WiFi5, 300Mbps WiFi, 150Mbps LTE, 90+ access and POE/USB dual power for outdoor use.
4G/5G SIM Card Wi-Fi Coverage Router (CPE)
Powerful 5G wireless bridge with WiFi6, 900Mbps dual-band, 32-device access and 2Gbps 5G downlink for home office.
High-speed 5G wireless bridge features 3000Mbps WiFi6, 2.5G WAN port, Mesh function and 2.5Gbps 5G downlink.
This 5G wireless bridge delivers 3000Mbps WiFi6, a 2.5G WAN port, Mesh capability and 2.5Gbps 5G downlink for home and small office use.
Our cooperative advantages are as follows:
- Provide one-stop customization including ID, PCBA, software and packaging design.
- Focus on cutting-edge WIFI7/WIFI8 technologies with independent R&D capabilities.
- Own multiple patents to protect core technologies and ensure independent control.
- Offer a full range of WIFI equipment and one-stop supply solutions.
- Provide a large number of private molds for customers to choose freely.
- Specialize in wireless communication field since 2009 with rich experience.
- Support OEM/ODM customization to meet diverse customer needs.
- Own factories to achieve full-chain control from R&D to production.
- Implement strict quality control system to ensure stable product quality.
- Possess mature supply chain system with obvious cost advantages.
- Have strong compliance and project capabilities to help customers list quickly.
- Provide flexible MOQ to adapt to different order scales of customers.
- Ensure fast delivery to meet customers’ urgent order requirements.
- Offer samples at any time for customers to test and confirm product performance.
- Provide professional pre-sales and after-sales technical support and guarantee.
- Respond quickly to customer needs and solve problems in a timely manner.
- Integrate product design, R&D, production and sales into one-stop service.
- Continuously iterate technologies to keep up with the development of the industry.
- Strictly control product quality to win the trust of global customers.
- Optimize supply chain management to balance cost and delivery efficiency.
- Provide personalized customization solutions based on customer actual needs.
Our 4G/5G SIM card internet products are suitable for these scenarios
Established in 2009, COMFAST is a professional manufacturer dedicated to wireless networking solutions. We maintain close technical partnerships with top chipset providers such as Qualcomm, Realtek, and MediaTek, enabling our products to integrate cutting-edge technologies including Wi-Fi 7 and Wi-Fi 8.
We focus on the R&D and manufacturing of wireless adapters, PC USB Wi-Fi adapters, PCI-E adapters, and wired adapters, delivering stable and high-speed connectivity solutions to customers worldwide. We provide one-stop Wi-Fi device supply with a broad selection of exclusive private molds, together with full customization services covering ID design, PCBA design, software customization, and packaging design.
Our core advantages lie in strong R&D and technical expertise, professional product and solution design, strict quality control, comprehensive pre-sales and after-sales support, a stable supply chain with clear cost benefits, complete industry compliance, and reliable project execution. We also offer professional OEM & ODM services with fast response, in-house production, quality assurance, patent protection, flexible MOQ requirements, efficient delivery, and prompt sample provision.
We are actively seeking authorized agents and distributors for the COMFAST brand across all regions globally, and welcome partners to join us for mutual development.
With extensive experience, advanced technology, dependable quality, and flexible services, COMFAST stands as your ideal long-term partner for both wireless and wired networking products.
Setting up a 4G LTE router is a simple process that takes just a few steps.
First, insert a compatible 4G SIM card into the router’s SIM slot.
Then, plug the router into a power outlet and turn it on. Wait for the router to connect to the 4G network—this usually takes 1-2 minutes.
Next, connect your device (phone, laptop, or tablet) to the router’s WiFi network using the password provided on the router.
You can also connect devices via an Ethernet cable for a more stable connection. For home or office use, place the router near a window or open area to get the best 4G signal. If the connection is weak, reposition the router to improve signal strength. COMFAST 4G LTE routers come with simple setup steps to make the process even easier for all users.
A UFI device is a small, portable wireless device that uses a 4G or 5G SIM card to provide WiFi access. It works by connecting to a mobile network (4G or 5G) and converting the cellular signal into a WiFi signal. This allows multiple devices to connect to the internet at the same time, even when there is no fixed broadband.
UFI devices are compact and battery-powered, making them perfect for on-the-go use, such as travel, outdoor work, or temporary internet in a home or office. To use a UFI device, insert a SIM card, turn it on, and connect your devices to its WiFi network. It is similar to a 4g mifi but smaller and more portable. COMFAST UFI devices are designed for portability and stable connectivity, ideal for users who need internet anywhere.
The main differences between MIFI and UFI are size, portability, and battery life.
A 4g mifi is a larger, more powerful portable WiFi device that can support more connected devices. It usually has a bigger battery, so it can last longer on a single charge—perfect for multi-device use in outdoor events or small offices.
A UFI device is smaller and more compact, designed for individual or small-scale use. It has a smaller battery and supports fewer devices, making it ideal for personal use while traveling or commuting. Both devices use cellular signals to provide WiFi, but MIFI is better for group use, and UFI is better for individual, on-the-go use.
A 5G CPE is a fixed wireless device that converts 5G cellular signals into a WiFi or wired network for home or office use. It is not portable like a 4g mifi or UFI device. Instead, it is designed to be placed in a fixed location, such as a home, small office, or remote workspace. 5G CPE provides high-speed internet access, similar to fixed broadband, but without the need for a wired connection. It is ideal for areas where fixed broadband is unavailable or unreliable, such as rural areas, temporary offices, or homes in remote locations.
To use it, place the CPE near a window for strong 5G signal, connect it to power, and link your devices via WiFi or Ethernet. COMFAST 5G CPE devices deliver stable, high-speed internet for home and office use in areas with 5G coverage.
Choosing between 4G CPE and 5G CPE depends on 5G coverage and your speed needs.
If 5G coverage is available in your home or office, 5G CPE is better. It provides faster speeds, lower latency, and can handle more devices at once—ideal for streaming, gaming, and multi-device use.
If 5G coverage is not available, 4G CPE is the better choice. It uses 4G signals to provide reliable internet, which is sufficient for basic web browsing, video calls, and small office tasks. 4G CPE is also more affordable than 5G CPE.
Consider your location’s cellular coverage and your internet usage when making a choice. COMFAST offers both 4G and 5G CPE devices to match different coverage and speed needs.
The main difference between CPE and a wireless router is how they get internet access.
A wireless router relies on a wired internet connection (from an ISP modem) to provide WiFi. It cannot work without a fixed broadband connection.
A CPE (like 4G or 5G CPE) uses cellular signals (4G or 5G) to get internet, so it does not need a wired connection.
CPE is ideal for areas without fixed broadband, such as rural homes or temporary offices. Wireless routers are better for areas with reliable fixed broadband.
CPE is often fixed in one location, while wireless routers can be used anywhere with a wired connection. A 4g lte router is a type of CPE that uses 4G signals for internet access.
COMFAST CPE and wireless routers are designed to meet different internet access needs for home and office use.
A 4G LTE router is a device that uses a 4G cellular signal to provide internet access to multiple devices. It connects to the 4G network using a compatible SIM card. Then, it converts the 4G signal into a WiFi or wired network. This allows devices like phones, laptops, tablets, and smart home devices to connect to the internet.
A 4G LTE router is perfect for home or office use where fixed broadband is unavailable or unreliable. It can also be used as a backup internet source if your fixed broadband fails. It supports multi-device use, so multiple people can connect at the same time. COMFAST 4G LTE routers provide stable, reliable internet for home and office users without fixed broadband access.