ONK-EG25-32 4G SMS Modem Gateway (Modem Pool / SIM Pool) — Product Description
High-Performance 4G SMS Modem Gateway for Bulk Messaging
The ONK-EG25-32 SMS modem gateway is a professional-grade SMS modem gateway solution designed for businesses that require stable, high-volume SMS and MMS communication. This powerful 4G SMS modem gateway supports large-scale operations such as bulk SMS sending, OTP verification handling, and voice verification processing.
Key Features of SMS Modem Gateway
- USB Connection & Easy Setup
This SMS modem gateway connects directly to your computer via USB, ensuring fast deployment and stable performance. - Advanced Software Control (Up to 256 Ports)
Managed through PC software, the SMS modem gateway supports up to 32 × 8 = 256 ports, making it ideal for large-scale SMS gateway systems. - VoLTE Supported SMS Modem Gateway
Built with VoLTE technology for improved call quality and reliable voice verification code reception. - 32 SIM Card Slots for High Efficiency
The 4G SMS modem gateway includes 32 SIM slots, allowing simultaneous sending and receiving of SMS and MMS messages. - Voice Verification & Call Recording
This SMS modem gateway supports call recording and can receive voice OTP codes across all 32 ports simultaneously, ensuring efficient verification processing. - Global Network Compatibility
Designed as a global SMS modem gateway, it supports multiple network standards for worldwide deployment.
Supported Frequency Bands
- LTE-FDD: B1 / 2 / 3 / 4 / 5 / 7 / 8 / 12 / 13 / 18 / 19 / 20 / 25 / 26 / 28
- LTE-TDD: B38 / 39 / 40 / 41
- WCDMA: B1 / 2 / 4 / 5 / 6 / 8 / 19
- GSM: B2 / 3 / 5 / 8
Global SMS Modem Gateway Solution
This SMS modem gateway is suitable for use in North America, Europe, Southeast Asia, Latin America, and other regions worldwide. With strong compatibility and stable performance, it is the ideal choice for enterprises looking to build a reliable SMS gateway system.
Why Choose Our SMS Modem Gateway?
16 Years of Industry Expertise
With over 16 years of experience in developing and manufacturing 2G/3G/4G SMS modem gateway solutions in China, we deliver proven, stable, and reliable SMS modem gateway systems trusted by global clients.
Industry-Leading Multi-Layer PCB Design
Our 4G SMS modem gateway features advanced multi-layer PCB technology, ensuring superior impedance matching, reduced interference, and unmatched system stability compared to standard modem gateway devices.
Custom SMS Modem Gateway Solutions
We provide customized hardware and software solutions for SMS modem gateway projects, allowing you to build a system tailored to your exact business requirements, including bulk SMS, OTP verification, and telecom integration.
Advanced API Software (OPENSMS) – Optional Add-On
Enhance your SMS modem gateway with our powerful OPENSMS platform, designed for seamless integration with the 4G EG25G SMS modem gateway.
Key Capabilities:
- Send and receive SMS / MMS in real time
- Call recording and automatic voice-to-text (OTP conversion)
- Forward messages and recordings to social media applications
- Support for IMEI modification and USSD commands
- Open API for secondary development (compatible with MySQL / SQLite databases)
After-Sales Policy
1. 7-Day Return Policy (No Reason Required)
- Products can be returned within 7 days of receipt
- Items must be in original condition (unused, complete packaging)
- Return shipping costs are borne by the customer
2. 2-Year Warranty (Quality Guarantee)
- Enjoy a 24-month warranty from the date of purchase
- Free repair service for quality-related issues during the warranty period
- Valid proof of purchase is required
Warranty Exclusions:
- Damage caused by misuse or human factors
- Unauthorized disassembly or repair
- Force majeure events (e.g., natural disasters)
