Compact Simple Mobile Hotspot Refill
This slim USB-powered device quickly turns any standard SIM card into a secure personal hotspot. Plug it in and enjoy fast, stable 4G internet shared with up to 8 users. Perfect for hotel rooms, outdoor coverage, equipment access, business travel, or temporary project sites needing quick and dependable WiFi.
Our Advantages:
- Durable quality ensures stable performance
- Flexible MOQ meets all order needs
- Timely production keeps plans on track
- Custom OEM for your brand identity
- CE ISO RoHS fully certified
- Samples to confirm fit and function
Note: For specific requirements, please send us an inquiry to contact us.
- Datasheet
- Product Overview
| Model | CF-GU311 |
| Physical Interface | 1 USB interface |
| Wireless Connection | Supports up to 8 user connections |
| LED Indication | WiFl indication/4G network indication |
| SIM Card Interface | 1 standard SlM card interface (large card) |
| Antenna | 2*2MIMO |
| Transmission Rate | 11b: 1/2/5.5/11Mbps 11g: 6/9/12/18/24/36/48/54Mbps 11n: Up to 150Mbps |
| Frequency Range | 2.4~2.4835GHz |
| Data Encryption | WPA-PSK/WPA2-PSK、WPA/WPA2 |
| 4G Network Standard | CAT 4 |
| Physical Features | Size: 99*31*10mm |
| Working Environment | Working temperature: -10°C~50°C Storage temperature: -40°C~70°0 Working/storage humidity: 5%\95% (non-condensing) |
You’re traveling to China for business, but you’re dreading the headache of complicated data plan refills, slow public WiFi that drops mid-meetings, and exorbitant roaming fees from your home carrier. Setting up a local hotspot feels overwhelming, and you can’t afford to lose connectivity while negotiating with clients or accessing critical work files.
Our smart pocket wifi solves all these pain points—and it’s the best pocket wifi for hassle-free travel, especially as a pocket wifi china device. The star feature? Simple mobile hotspot refill that takes 2 minutes or less: use local carrier apps, convenience store top-ups, or international online services to add data without waiting in lines or navigating confusing language barriers.
Powered by any USB port (laptop, power bank, car charger), this slim device delivers up to 150Mbps speeds via 2*2 MIMO technology, supporting up to 8 simultaneous users for your team or colleagues. Advanced WPA2 encryption keeps your business data secure, and it works with all major Chinese carriers (China Mobile, Unicom, Telecom) as well as global 4G networks. You’ll stay connected through factory tours, client visits, and airport layovers, with no lag, no dead zones, and no stress about refills. This isn’t just a hotspot—it’s your reliable on-the-go connectivity partner for every business trip.
Ultra-Compact Pocket Design
Struggling with large devices that are hard to carry or deploy? Our simple mobile hotspot refill measures just 99×31×10mm and plugs directly into any USB port. It creates an instant hotspot for hotel rooms, outdoor coverage, or equipment access while staying truly pocket-sized and convenient.
Fast 4G Speeds
Tired of slow or unstable connections during travel or on-site work? This best pocket wifi delivers up to 150Mbps with 2×2 MIMO antennas and CAT 4 support. It eliminates bandwidth bottlenecks so multiple users can stream, video call, or work smoothly without lag.
Easy Setup & Secure Sharing
Frustrated by complicated configurations or security concerns? The smart pocket wifi activates in seconds with simple SIM insertion and WPA/WPA2 encryption. Up to 8 users connect safely, making it ideal for team travel, guest networks, or temporary setups at a very competitive price.
Global Reliability
Need dependable WiFi across different countries and environments? This pocket wifi china solution supports standard SIM cards worldwide, operates reliably from -10°C to 50°C, and provides stable performance for video transmission, equipment monitoring, or mobile office use anywhere.
COMFAST Related Products
About COMFAST
Global B2B Wireless Networking Hardware Supplier
Our company specializes in enterprise networking communication and wireless coverage solutions. As a professional manufacturer and B2B supplier, we integrate research, development, production, customization, and service operations. Our core products include wireless adapters, wireless repeaters, routers, wireless access points (APs), wireless bridges, switches, and other networking devices. Supported by strong technical expertise, standardized manufacturing systems, and efficient service workflows, we deliver stable, reliable, and practical wireless networking products and customized services for global partners.
We adopt a customer-first philosophy and provide one-stop B2B services including requirement analysis, solution design, product customization, sample validation, mass production, and on-time shipment, along with comprehensive technical support and after-sales service to build a complete service loop. With strict quality control, complete certifications, mature OEM/ODM capabilities, and a stable supply chain, we support flexible cooperation such as project bidding, engineering deployment, private label customization, and international trade. We are your dependable long-term supplier and partner.
This mobile hotspot allows up to 8 simultaneous connections, making it ideal for small teams, travel groups, or hotel guests who all need internet access at once. Its efficient 2×2 MIMO antenna system and CAT 4 4G module ensure smooth bandwidth sharing, so you do not experience significant slowdowns even when multiple users are streaming, browsing, or working. For a best pocket wifi, this capacity provides reliable connectivity without the frustration of dropped connections or buffering. COMFAST mobile hotspots are built to handle group connectivity with consistent performance.
This pocket WiFi device supports download speeds up to 150Mbps in 11n mode under strong 4G signal conditions. Real-world performance varies depending on your carrier’s network coverage and signal strength in your current location. Users typically enjoy reliable speeds for streaming video, making video calls, browsing websites, and handling light work tasks. For a smart pocket wifi, these speeds are sufficient for most daily activities while traveling or working remotely. COMFAST pocket WiFi devices are designed to deliver consistent performance based on available network conditions.
Yes, you can use this pocket WiFi with SIM cards from different countries. It uses a standard full-size SIM slot and supports major global 4G bands, making it compatible with carriers across many regions. Travelers can easily switch to a local prepaid SIM card in each country they visit, which helps avoid expensive international roaming fees and ensures you get the best possible data rates. For a pocket wifi china, this global SIM compatibility makes it a practical choice for international travelers and businesses with overseas operations. COMFAST pocket WiFi devices are built to work with SIM cards from carriers worldwide.
Getting this device up and running is very easy and takes just a couple of minutes. Insert a SIM card into the slot, plug the USB connector into any power source or laptop, and the device automatically creates a secure hotspot. LED indicators clearly show the 4G and WiFi status, so you can see at a glance whether the connection is active. No drivers, apps, or complex configuration are needed in most cases. For a best pocket wifi, this plug-and-play simplicity means you can get online quickly without technical support. COMFAST portable hotspots are designed for hassle-free setup that anyone can handle.
Yes, this pocket WiFi can be used in outdoor settings and for temporary guest networks. It has an operating temperature range of -10°C to 50°C, which allows it to function reliably in various weather conditions. The simple USB power design means you can run it from a power bank in locations without wall outlets, making it suitable for outdoor events, construction sites, or field work. It also works well for temporary hotel setups, pop-up shops, or equipment access where quick and reliable WiFi is needed without installing permanent infrastructure. For a smart pocket wifi, this versatility makes it a practical tool for many different scenarios. COMFAST portable hotspots are built to deliver connectivity wherever and whenever you need it.