For businesses needing high-volume SMS, multi-SIM management, cost efficiency, or advanced functionality, an SMS dongle offers unmatched performance and flexibility. It’s the go-to solution for marketing campaigns, automated notifications, remote system monitoring, and any scenario where reliable, scalable SMS communication is essential.
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What is an SMS Dongle?
An SMS dongle is a device that enables the bulk sending and receiving of SMS on mobile networks. It's a compact and convenient tool that can be a game - changer for various applications. Our YXCALL 4G SMS Dongle takes this functionality to the next level with its advanced features.

Features of YXCALL 4G SMS Dongle
✅ Built - in 4G Module
Our SMS dongle comes with a built - in wireless 4G module. This allows for high - speed connectivity, ensuring that your SMS messages are sent and received in a timely manner. With support for networks like 4G LTE, which includes GSM, CDMA, and WCDMA, and a frequency range of 700 - 2700Mhz, it can work seamlessly in different regions and network environments.
✅ Multi - port Functionality
Paired with an 8 - port UART HUB, the YXCALL 4G SMS Dongle can accommodate 1 - 8 SIM cards. This means you can send and receive SMS simultaneously from multiple numbers. Whether you need to send out promotional messages to a large customer base or manage multiple communication channels for different purposes, the multi - port feature provides the flexibility you need.
✅ Easy Connectivity
The dongle can be directly plugged into the computer's USB port, making it suitable for both laptops and desktops. This plug - and - play functionality means that you don't need to go through complex installation processes. It's compatible with a wide range of operating systems, including Win all, Linux, and android, ensuring that most users can use it without any issues.
✅High SMS Send Speed
With an approximate SMS send speed of 3600 SMS per port per hour, you can quickly reach a large number of recipients. This high - speed sending capability is especially useful for businesses that rely on SMS marketing or need to send out important notifications in bulk.

✅ Versatile Functionality
The YXCALL 4G SMS Dongle supports a variety of functions such as STK / AT Command / TCP/IP / Data / SMS / IMEI / MMS / Email / GPRS / GPS / USSD. This versatility means that it can be used not only for sending and receiving SMS but also for other communication and data - related tasks. For example, you can use the GPRS protocol (GPRS Multi - slot Classes 1 - 12, default is Class 12, with GPRS format CS - 1, CS - 2, CS - 3, CS - 4 PPP/PAP TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMTP/PING/MQTT) for data transfer or access location - based services with GPS.
✅ SIM Interface and Conversion Option
The default SIM interface is 2FF Mini SIM (15mm*25mm), but we also offer an optional conversion to 1FF (big size IC card). This ensures that you can use the dongle with different types of SIM cards, providing more flexibility in choosing your network provider.
✅ Free Software and Support
We provide a free software, SMS Caster, which is designed to work seamlessly with the YXCALL 4G SMS Dongle. Additionally, we offer an instruction manual and technical support to help you get started and resolve any issues you may encounter. With a 12 - month warranty, you can have peace of mind knowing that your investment is protected.

Benefits for Different Users
1. For Businesses
- SMS Marketing: Businesses can use the YXCALL 4G SMS Dongle to send out promotional messages, discount offers, and product announcements to their customers in bulk. The high send speed and multi - port functionality make it possible to reach a large audience quickly and efficiently.
- Customer Communication: It can be used for sending order confirmations, delivery notifications, and customer service messages. The ability to manage multiple SIM cards allows businesses to segment their communication and target different customer groups more effectively.
- Cost - effective: Compared to other forms of marketing or communication, SMS marketing using our dongle can be a cost - effective solution, especially for small and medium - sized businesses.
2. For System Administrators
- Automated Notifications: System administrators can use the dongle to send automated SMS notifications for system alerts, such as server down messages, software update reminders, or security alerts. The ability to integrate with different systems through functions like TCP/IP and AT commands makes this possible.
- Remote Management: With the 4G connectivity, system administrators can manage and monitor systems remotely.

How to Use the YXCALL 4G SMS Dongle
- Insert the SIM cards into the 8 - port UART HUB according to your requirements. Make sure the SIM cards are properly inserted and recognized.
- Connect the YXCALL 4G SMS Dongle to your computer's USB port. The device should be automatically detected by your operating system.
- Software Installation and Configuration
- Install the provided SMS Caster software on your computer. Follow the installation instructions in the manual.
- Configure the software according to your needs. You can set up the sender information, recipient lists, and customize the SMS messages.
- If you want to use other functions like data transfer or GPS, you may need to configure the relevant settings in the software or through the supported commands.


Why Choose YXCALL 4G SMS Dongle?
- Performance: With its high - speed SMS sending, 4G connectivity, and multi - port functionality, the YXCALL 4G SMS Dongle offers excellent performance. It can handle large - scale SMS operations without a hitch, ensuring that your messages are delivered promptly.
- Flexibility: The ability to use 1 - 8 SIM cards, support for different network types, and compatibility with various operating systems make it a highly flexible device. You can adapt it to different communication needs and network environments.
- Support and Warranty: Our free software, instruction manual, and technical support, along with a 12 - month warranty, ensure that you have a smooth experience using the product. If you encounter any problems, our team is here to help.

Get Your YXCALL 4G SMS Dongle Today!
If you're looking for a reliable, high - performance SMS dongle for bulk SMS sending and receiving, the YXCALL 4G SMS Dongle is the perfect choice. Whether you're a business owner, system administrator, or just need a powerful communication tool, this device has the features and capabilities to meet your needs. Don't miss out on the opportunity to enhance your communication efficiency. Click the link below to place your order now!