ONK-EG25-16 4G SMS Gateway (MODEM POOL, CAT POOL) – Product Description & After-Sales Policy
Product Features:
- Connects directly to computers via USB interface
- Controlled through PC software (supports up to 16×16=256 ports control)
- Supports VoLTE technology
- 16 SIM card slots with simultaneous SMS/MMS sending/receiving capability
- Supports call recording function
- Network compatibility:
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
Usage regions: Global.
Why Choose Our Product? Key Advantages:
- 16 Years of Expertise
- With 16 years of R&D and manufacturing experience in China, we deliver proven, reliable solutions.
- Industry-Leading Multilayer PCB Design
- Exclusive multilayer board technology ensures superior impedance matching and unmatched stability compared to competitors.
- Custom Hardware & Software Solutions
- We offer tailored hardware and software customization to meet your specific needs.
- Advanced API Software (OPENSMS) – Optional Add-On
- Seamlessly integrate these powerful features:
- SMS/MMS sending/receiving
- Call recording with auto speech-to-text conversion
- Forward messages/recordings to social media apps
- IMEI modification & USSD command support
- Secondary development supported (MySQL/SQLite database compatibility)
- Seamlessly integrate these powerful features:
After-Sales Service Policy:
I. 7-Day No-Question Return
- Returns accepted within 7 days of receipt
- Products must be in original condition (unused, complete packaging)
- Customer bears return shipping costs
II. 2-Year Quality Warranty
- 24-month warranty from purchase date
- Free repair service for quality issues during warranty period
- Valid proof of purchase required
- Warranty exclusions:
- Human-induced damage or improper use
- Unauthorized disassembly/repair
- Force majeure circumstances
