Description

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