YX Full Product Guide: Find the Right Call Communication Solution for Your Business
If you’re building bulk SMS services, deploying voice termination, managing remote SIM cards, or setting up 4G mobile proxy networks, YX offers a complete portfolio of industrial-grade cellular gateways and accessories. From plug-and-play USB modems to high-density eSIM gateways and centralized SIM management systems, our products cater to small businesses, telecom operators, and enterprise teams alike.
In this guide, we break down 7 YX product series — their core features, model options, and ideal use cases — so you can easily identify which solution fits your needs, even if you’re new to gateway technology.
1. SMS Modem: Plug-and-Play Bulk SMS Workhorse
Overview
The YX 2G/4G SMS Modem is an industrial-grade USB-connected SMS device built for high-volume SMS sending and receiving. Powered by premium Quectel cellular modules, it delivers stable performance with minimal setup: simply connect it to a computer via USB, install the driver, and you can launch SMS operations right away.
Key Features
- Equipped with Quectel M26/M35 (2G full-band) or EC25/EC200A/EC20 (4G regional) modules for reliable global network compatibility
- Available in 8 / 16 / 32 / 64 independent communication channels, each with a standard SIM card slot
- Natively compatible with SMSCaster E-Marketer bulk SMS software for intuitive campaign management
- Full AT command support for custom system integration and advanced device control
- USB plug-and-play deployment, no complex network configuration required
Ideal Use Cases
- Bulk SMS marketing and customer notification campaigns
- OTP (One-Time Password) and verification SMS services
- Enterprise system alerts and monitoring notifications
- Small to medium-sized SMS service providers seeking a cost-effective entry solution
2. SMS Dongle: Compact 4G Data & SMS for IoT & Mobile Use
Overview
The YX SMS Dongle is our most portable cellular adapter, focused on high-speed mobile internet access and lightweight SMS notifications. Its small form factor makes it perfect for distributed IoT deployments and on-the-go connectivity.
Key Features
- High-speed 4G LTE internet access for mobile and IoT applications
- Supports bulk SMS sending and receiving for alert and reminder use cases
- Ultra-compact design, easy to deploy in remote IoT nodes
Ideal Use Cases
- Internet of Things (IoT) sensor data transmission
- Remote monitoring systems with SMS alert notifications
- Temporary or mobile internet access with supplementary SMS functionality
- Low-volume SMS applications in distributed locations
3. VoIP Gateway (GOIP Gateway): Converged Voice + SMS Over IP
Overview
The YX VoIP Gateway (also called GOIP Gateway) is a full-featured SIP-based voice and SMS gateway that bridges IP networks and mobile cellular networks. It converts SIP voice traffic into GSM/WCDMA/LTE calls and also handles bidirectional SMS, making it the all-in-one choice for voice-centric telecom deployments.
Key Features
- Supports GSM / CDMA / WCDMA / 4G LTE network modes (customizable by region and module)
- 4 / 8 / 16 / 32 concurrent voice channels, with corresponding SMS channel capacity
- Each port supports 1 to 32 SIM cards with automatic SIM rotation, scaling up to 512 total SIM cards per device
- Compliant with SIP RFC3261, with STUN, VPN (PPTP/OpenVPN), and proxy encryption for reliable IP connectivity
- Advanced call management: dial plans, prefix translation, black/white lists, call duration limits, FAS shielding, and call waiting
- Built-in billing system, USSD balance query, and SIM anti-blocking automation rules
- Supports bulk SMS sending/receiving via HTTP API and SMPP 3.4 protocol
Key Models
| Model |
Voice Channels |
Total SIM Capacity |
| YX GP 4-4 |
4 |
4 |
| YX GP 8-8 / 32 |
8 |
8 / 32 |
| YX GP 16-16 / 64 / 128 / 256 / 512 |
16 |
16 / 64 / 128 / 256 / 512 |
| YX GP 32-32 / 128 / 256 / 512 |
32 |
32 / 128 / 256 / 512 |
Ideal Use Cases
- Call center operations and group calling services
- VoIP voice termination and A2P voice services
- Enterprise unified communication systems
- Automatic mobile recharge services
- Voice broadcast and telemarketing campaigns
- Deployments that require both voice and SMS capabilities in one device
4. SMS Gateway (MOIP Gateway): High-Density Pure SMS Platform
Overview
The YX SMS Gateway (also called MOIP Gateway) is a dedicated SMS-only gateway optimized for high-throughput SMS services. It shares nearly all software and SIM management features with the VoIP Gateway, but removes voice functionality to deliver higher SMS channel density at a lower cost. It is the standard choice for professional SMS service providers.
Key Differences from VoIP Gateway
- No voice call support — purpose-built exclusively for SMS traffic
- Wider model range, up to 64 SMS channels for ultra-high-density deployments
- Identical advanced SMS features: SMPP 3.4, HTTP API, SMS forwarding (HTTP/Email/SIP/GSM), SMS filtering, and prefix routing
- Same SIM rotation, anti-blocking automation, billing, and USSD tools as the VoIP series
Key Models
| Model |
SMS Channels |
Total SIM Capacity |
| YX MoIP 4-4 |
4 |
4 |
| YX MoIP 8-8 / 32 |
8 |
8 / 32 |
| YX MoIP 16-16 / 64 / 128 / 256 / 512 |
16 |
16 / 64 / 128 / 256 / 512 |
| YX MoIP 32-32 / 128 / 256 / 512 |
32 |
32 / 128 / 256 / 512 |
| YX MoIP 64-64 / 256 / 512 |
64 |
64 / 256 / 512 |
Ideal Use Cases
- A2P bulk SMS marketing and notification services
- OTP and verification SMS platforms
- SMS forwarding and aggregation services
- Enterprise SMS integration via API or SMPP protocol
- High-volume SMS deployments where voice functionality is not required
5. eSIM Gateway: Remote-Managed Digital SIM Solution
Overview
The YX eSIM Gateway is an upgraded variant of our VoIP and SMS Gateways, with built-in eSIM (embedded SIM) chips that replace physical SIM cards. By writing carrier profiles directly into the device over the air, you can switch between multiple mobile networks remotely — no need to physically swap SIM cards on site.
Key Features
- Available for both VoIP (GOIP) and SMS (MOIP) gateway product lines
- Each port supports up to 8 stored eSIM carrier profiles
- Remote profile writing and network switching via the web management interface
- Retains physical SIM card slots; physical SIM and eSIM cannot be used simultaneously, and you can switch between modes via software
- Eliminates the logistics and labor cost of on-site SIM management
Ideal Use Cases
- Cross-border telecom services with frequent carrier switching
- Remote and unmanned deployment sites
- Services that require dynamic carrier rotation for anti-blocking
- Businesses looking to reduce SIM logistics and on-site maintenance costs
6. IP Proxy (IPs Series): 4G Cellular Proxy Router with SMS
Overview
The YX IPs Series is a 4G cellular proxy gateway that combines routing, proxy services, and SMS management. It provides an independent mobile IP address per port, supports standard proxy protocols for data-intensive use cases, and includes built-in SMS functionality for added versatility.
Key Features
- Native support for SOCKS5 proxy, HTTP/HTTPS proxy, and port forwarding
- 4 / 8 / 16 port models, each with an independent SIM and fully isolated public IP
- Built-in firewall, VPN (PPTP/OpenVPN), and SSH tunnel for secure connectivity
- Full SMS capabilities: send/receive, HTTP API, SMS forwarding, and SMS usage control
- Supports APN customization, data usage limits, and remote management via ETMS platform
Key Models
- YX IPs 4-4 (4 ports)
- YX IPs 8-8 (8 ports)
- YX IPs 16-16 (16 ports)
Ideal Use Cases
- Web data scraping and crawler services
- Social media account management and multi-IP operations
- E-commerce and advertising verification with residential mobile IPs
- Network testing and geo-targeted content access
- Scenarios that need both mobile proxy IP and SMS functionality
7. Simbank: Centralized SIM Card Management System
Overview
YX Simbank is a dedicated SIM card storage and management appliance that works in tandem with YX VoIP and SMS Gateways. It houses up to hundreds of SIM cards in a single unit, and delivers SIM connectivity to remote gateways over IP networks — enabling centralized, remote SIM management across multiple locations.
Key Features
- 128 / 256 / 512 SIM card slot options, with hot-swap support (no power-off needed to replace SIMs)
- Seamless compatibility with all YX GOIP and MOIP gateways via SIM server architecture
- Two working modes: point-to-point (direct gateway connection) or registration (centralized via SIM server)
- Web-based real-time monitoring of all SIM statuses
- Reduces physical handling of SIM cards and cuts on-site maintenance work
- Supports VPN for secure cross-network SIM access
Ideal Use Cases
- Telecom operators with multiple gateway deployments across locations
- Centralized SIM inventory management for multi-site businesses
- Remote SIM provisioning and troubleshooting
- Large-scale SMS/voice services with high SIM volume
How to Choose: Which YX Product Is Right for You?
Use this quick scenario guide to find your best match at a glance:
| Your Primary Need |
Recommended Product |
| I need a simple, USB-connected device to send bulk SMS from a PC, with minimal setup. |
SMS Modem |
| I need compact 4G internet for IoT devices, plus basic SMS alerts. |
SMS Dongle |
| I need to handle SIP voice calls and connect to a softswitch/IPPBX, plus SMS. |
VoIP Gateway (GOIP) |
| I only run SMS services (marketing, OTP, SMPP) and want maximum SMS density at lower cost. |
SMS Gateway (MOIP) |
| I have multiple gateways across locations and want to centralize all SIM cards for easy management. |
Simbank + GOIP/MOIP Gateways |
| I need to switch carriers frequently, avoid physical SIM swaps, and deploy devices remotely. |
eSIM Gateway |
| I need independent 4G mobile IPs for web scraping, proxies, or multi-account management, plus SMS. |
IP Proxy (IPs Series) |
Final Thoughts
Every YX product is built for industrial reliability, with intuitive web-based management, rich automation features, and global network compatibility.
