SIM extension cable Alfa Network WPK-NanoSIM — Nano SIM waterproof extension

Alfa Network WPK-NanoSIM is a Nano SIM extension cable designed to relocate a Nano SIM card slot while preserving a waterproof connection. The cable enables routing the SIM interface from an enclosed device to a more accessible external position, facilitating maintenance, SIM swaps, or placement in tight or sealed environments. It is intended for applications where direct access to a SIM slot is limited or where an external sealed connection is required.

Advantages

The extension cable maintains a waterproof seal at the external connector, reducing the risk of moisture ingress when used with compatible enclosures. It preserves standard Nano SIM contact alignment and signal integrity over the cable length, allowing reliable communication with routers, modems, gateway devices, and embedded systems. The flexible cable and compact connector design permit installation in constrained spaces and simplify SIM replacement without opening sealed housings.

Suitable for

• Industrial routers and cellular gateways that require an accessible external SIM slot
• Embedded systems and IoT devices with sealed enclosures
• Mobile or fixed installations where SIM access is restricted
• Maintenance workflows that benefit from externalized SIM handling

Key specifications

• SIM form factor: Nano SIM (design compatible with standard Nano SIM contacts)
• Connector type: waterproof external SIM connector with internal mating header
• Cable: flexible insulated lead suitable for routed installations
• Environmental protection: designed to provide a sealed connection at the external interface when mated with compatible components
• Compatibility: intended for use with routers, modems and embedded cellular modules that accept Nano SIM contacts

How to use

Install the internal end of the extension cable by aligning and mating it with the device's Nano SIM header or socket according to the device manufacturer's instructions. Route the cable through an appropriate gland or opening to the external mounting location, ensuring the cable is not sharply bent or pinched. Insert the Nano SIM card into the external waterproof connector following the orientation marked on the connector. Verify that the external connector is fully engaged to maintain the waterproof seal and that the device recognizes the SIM before closing any enclosures.

Usage recommendations

Use the cable with devices that support externally routed SIM interfaces and follow the device manufacturer's guidelines for mating connectors and sealing. Avoid excessive cable tension, exposure to fluids beyond the connector's rating, or conditions that could compromise the watertight connection. For best results, confirm electrical compatibility with the target device and test signal and network registration after installation.