📶 W3800 Multi-SIM Smart Expansion Device for iPhone
🌍 Turn One iPhone into Up to 7 Active Numbers
Break the limitation of iPhones with no physical SIM slots or limited SIM usage.
With the W3800, you can easily expand your iPhone into a true multi-number system:
- 2x Primary iPhone SIM / eSIM
-
- Up to 5x Nano SIM cards via W3800 device
- 👉 Up to 7 numbers online simultaneously
No SIM swapping. No switching devices. One phone controls everything.
✈️ Global Calling with No Roaming Fees
Keep your SIM cards in the W3800 device at your home country (e.g. Australia), while using them anywhere in the world.
You can:
- Make and receive calls globally
- Send and receive SMS messages
- Stay connected using local carrier rates
👉 Enjoy true global communication:
Use your home number abroad without roaming charges
📡 Full Support for Major Australian Carriers
Compatible with leading networks:
- Telstra
- Optus
- Vodafone Australia (TPG Telecom)
Supports standard Nano SIM cards for flexible carrier use.
📱 Smart APP Control via Bluetooth 5.0
Connect and manage everything through the mobile app:
- Quick Bluetooth pairing (v5.0)
- One-click SIM management
- Real-time status monitoring
- Remote calling and SMS control
👉 All numbers managed in one place
🌐 Dual Connection Modes
Flexible connectivity depending on your environment:
- WiFi mode
- Wired Ethernet (RJ45) mode
Ensures stable, low-latency performance at all times.
📞 High-Quality Remote Communication
Built with a high-performance communication chip and intelligent noise reduction:
- Clear and stable voice calls
- iPhone-like audio quality experience
- Supports cross-border calling and receiving
👥 Multi-Device Account System
One account supports up to 5 devices:
- Each device supports 1 SIM channel
- Centralized multi-device management
- Ideal for teams and multi-line users
🔒 Key Benefits at a Glance
✔ Expand iPhone to up to 7 active numbers
✔ No roaming fees when traveling
✔ Use local carrier rates worldwide
✔ Remote SIM access via APP
✔ WiFi + Ethernet stable connection
✔ Supports major Australian carriers
✔ Multi-device management system
🚀 Perfect For
- Frequent international travelers
- Business professionals & remote workers
- Overseas students & expats
- Cross-border eCommerce sellers
- Users managing multiple phone numbers




