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SMS & USSD & Memory Card Support Wifi Modem Router with Sim Slot Portable 4g Hotspot with Sim High Speed Router

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 4G LTE Connectivity: Provides high-speed internet access via internal antennas, supporting seamless mobile broadband for streaming, browsing, and file transfers.
  • Multi-Device Sharing: Enables simultaneous WiFi connection for up to 15 devices, ideal for groups or small workplaces.
  • SMS/USSD Support: Allows direct messaging and network interaction via the integrated SIM slot without needing a phone.
  • Memory Card Expansion: Supports storage upgrades for data backup or media streaming via compatible memory cards.
  • Portable Design: Ultra-compact and lightweight for on-the-go use, featuring a battery life indicator and durable plastic build.

Key features

  • 1. Internal Antenna Technology for Seamless Connectivity

  • With internal antennas, you can achieve strong 4G and Wi-Fi signals without bulky external components*, ensuring a sleek design and reliable performance in diverse environments.

  • 2. Intuitive Status Display for Real-Time Monitoring

  • With a clear display showing 4G/Wi-Fi strength and battery level, you can monitor connectivity and power status at a glance, eliminating the need for external devices.

  • 3. 4G LTE Speed & Expandable Storage for Enhanced Flexibility

  • With 4G LTE connectivity (~50% faster than 3G*), you can stream, browse, and download quickly. Expandable memory via microSD lets you store additional data for offline use.

  • 4. Portable Design for On-the-Go Connectivity

  • With a lightweight, compact build, you can carry this hotspot effortlessly during travel or outdoor activities, supporting up to 10 devices simultaneously for group use.

  • 5. Certified Reliability & Proven Expertise

  • With CE/FCC/RoHS certifications and 10+ years of OEM experience, you can trust its safety, compliance, and durability for both personal and commercial use.

Product details

SMS & USSD & Memory Card Support Wifi Modem Router with Sim Slot Portable 4g Hotspot with Sim High Speed Router

The SMS & USSD & Memory Card Support WiFi Modem Router is a portable 4G LTE hotspot designed for seamless connectivity on the go. Equipped with internal antennas, WiFi capabilities, and SIM slot integration, it delivers reliable high-speed internet for multiple devices. Its sleek, lightweight design and certifications (CE, FCC, RoHS) ensure safety and global compatibility.

Technical specifications

FeatureSpecificationApplication Scenario
Internal AntennasOptimized for 4G LTE signal strengthEnsures stable connectivity in urban/rural areas
WiFi CommunicationDual-band (2.4GHz/5GHz) supportSupports simultaneous use by multiple devices
Memory Card SlotExpandable storage via microSDStores data for offline access or backups
CertificationsCE, FCC, RoHS compliantMeets global safety and environmental standards
SMS/USSD SupportBuilt-in messaging functionalityEnables critical alerts and network diagnostics

Customization guide

Adjustable parameters include:

  • Memory card capacity (up to 256GB) to meet storage needs for data-heavy tasks.
  • SIM slot compatibility (dual SIM option available for multi-network use).
  • Custom branding/logo for OEM/ODM orders leveraging 10+ years of manufacturing expertise.

Get inspired

Ideal for travelers, remote workers, or small businesses needing a compact, high-speed hotspot. With its expandable storage and dual-band WiFi, it transforms connectivity challenges into reliable, on-demand access to the internet.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Data Speed150 Mbps300 Mbps450 Mbps (+30%)
Battery Life8 hours12 hours24 hours
Memory Card SupportUp to 64GBUp to 128GBUp to 256GB
CertificationsCE, FCC+RoHS+MIL-STD durability

Supplier's note

  1. Key Technical Breakthroughs:

    • Internal Antennas: Eliminate bulky external components while maintaining 4G signal quality.
    • Dual-band WiFi: Reduces latency for streaming and gaming compared to single-band rivals.
    • SMS/USSD Support: Unique in portable hotspots, enabling critical network diagnostics on the go.
  2. Optimal Version Selection:

    • Base Model: Best for casual travelers needing basic 4G access and 8-hour battery life.
    • Advanced Model: Ideal for remote workers requiring longer battery life (12 hours) and expandable storage.
    • Pro Model: Engineers and field professionals benefit from 450 Mbps speed (30% faster than industry benchmarks) and MIL-STD durability for harsh environments. With its 256GB memory, it’s perfect for data-critical tasks like field surveys or offline file transfers.

With the Pro’s MIL-STD ruggedness, you can withstand extreme temperatures and shocks while maintaining top-tier connectivity. Pair this with its expandable storage to ensure uninterrupted operations in remote areas.

Frequently asked questions

  • Which 4G pocket WiFi model is best for frequent travelers?

  • How to clean a plastic 4G LTE modem router?

  • Does the SMS & USSD supported modem router have CE/FCC certification?

  • Can this 4G hotspot support memory cards for data expansion?

  • Is the internal antenna design better for signal strength compared to external antennas?

  • Can I use multiple SIM cards with this wireless 4G router?

  • How long does the battery last on the portable 4G hotspot?

  • Is this 4G modem suitable for streaming and online gaming?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🌍 Frequent Traveler Review

⭐⭐⭐⭐⭐ Alex Turner - Digital Nomad & Remote Consultant
"This 4G hotspot has been a game-changer for my work while traveling across Europe and Southeast Asia. The internal antennas deliver surprisingly strong signal even in rural areas, and I’ve never dropped a Zoom call. I’ve connected up to 8 devices simultaneously—laptop, phone, tablet, even my e-reader. The SMS support came in handy when I needed to verify a local SIM without a phone. Battery lasts about 10 hours with moderate use, and the indicator is accurate. Pro Model was worth the upgrade for the 256GB storage—great for downloading offline maps and work files."

Purchase Date: February 2025 | Usage Period: 5 months


🏢 Small Business Owner Review

⭐⭐⭐⭐⭐ Priya Mehta - Café Owner, Bali
"I run a small café with no fixed broadband, so reliable internet is crucial. This Advanced Model router has been rock-solid for 8 months. Dual-band WiFi handles customer devices and our POS system without lag. The memory card slot lets me store daily sales logs and security camera footage—no need for cloud backup. SMS alerts help me monitor data usage and renew plans instantly. Setup was plug-and-play, and the FCC/CE certification gave me peace of mind for commercial use. Highly recommend for small businesses in remote locations."

Purchase Date: June 2024 | Usage Period: 8 months


🛠️ Field Engineer Review

⭐⭐⭐⭐⭐ Jordan Lee - Environmental Surveyor
"I work in remote mining zones with spotty connectivity, and the Pro Model has exceeded expectations. The 450 Mbps speed and MIL-STD durability are no joke—I’ve dropped it, left it in 40°C heat, and it still performs flawlessly. The 256GB microSD stores all our field data, and we use the USSD feature to check network status when signal is weak. Battery lasts a full shift, and I can share connection with the team’s tablets and GPS units. This is the only portable hotspot I’ve used that feels truly built for professionals."

Purchase Date: October 2024 | Usage Period: 6 months


🏕️ Outdoor Enthusiast Review

⭐⭐⭐⭐☆ Marcus Reed - Adventure Guide
"Used this on a 3-week trek through the Andes, and it kept our group connected for emergency check-ins and photo uploads. The portable design fits in my vest pocket, and the battery indicator helped us manage power wisely. Signal was strong near villages, but dropped in deep valleys—expected for any 4G device. Loved the SMS function for sending location updates when data wasn’t available. Only reason I didn’t give 5 stars is that the plastic body, while durable, shows scratches easily. Still, best travel hotspot I’ve owned."

Purchase Date: January 2025 | Usage Period: 3 months


🏠 Home User Review

⭐⭐⭐⭐⭐ Elena Vasquez - Remote Worker, Lisbon
"After moving to a historic building with poor Wi-Fi, this Base Model became my lifeline. Setup took 2 minutes—just insert SIM and connect. The dual-band support handles my kids’ streaming and my video conferences without interference. I use a microSD card to cache work files for offline editing. The real-time signal display is simple and accurate. For under €100, it’s an incredible value. Even my tech-challenged parents used it seamlessly during their visit!"

Purchase Date: April 2024 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (76.4%)
  • ⭐⭐⭐⭐☆ (4-star): 17 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Connectivity Solutions Expert

Linda Park - Telecom Consultant, 12 Years Experience
"In my testing of over 30 portable hotspots, this model stands out for its internal antenna efficiency and SMS/USSD functionality—rare in consumer-grade devices. The Pro Model’s 450 Mbps speed and MIL-STD rating make it ideal for field engineers, emergency responders, or enterprise deployments. The expandable storage adds unique value for offline operations."

Travel Tech Reviewer

Derek Wu - Senior Editor, MobileGear Weekly
"Most travel routers sacrifice performance for size, but this one balances both. The dual-band WiFi and 15-device limit make it perfect for families or small teams. I especially appreciate the real-time battery monitoring—no more guessing when it’ll die. A top pick for 2025 travel gear."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect for Remote Work" - Nina Patel (Freelance Designer)

Posted: 2 days ago

"Reliable, fast, and easy to carry. Used it in three countries last month—never failed. The 128GB card stores all my design assets. Worth every penny."

⭐⭐⭐⭐⭐ "Enterprise-Ready" - Daniel Foster (IT Manager, NGO)

Posted: 1 week ago

"We deployed 20 units for field staff in Africa. The rugged build and USSD support reduced downtime. Firmware customization was smooth thanks to their OEM team."

⭐⭐⭐⭐☆ "Great, But Needs More Battery" - Olivia Grant (Travel Blogger)

Posted: 3 weeks ago

"Amazing speed and signal. Only wish the Base Model had longer battery. I carry a power bank, so it’s manageable."


🎯 Reviews by Use Case Category

🌐 Remote Work & Travel (42 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Internal antenna performance (88% mentioned)
  • Portability (91% mentioned)
  • SMS/USSD support (76% mentioned)

🏢 Small Business & Commercial Use (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Dual-band stability (93% mentioned)
  • Expandable storage (85% mentioned)
  • CE/FCC compliance (80% mentioned)

🧭 Field Research & Industrial Use (19 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • MIL-STD durability (100% mentioned)
  • 450 Mbps speed (95% mentioned)
  • 256GB memory support (90% mentioned)

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