Based on this product's specifications, here are some alternatives and similar models
Power Cable Adapter for TOMTOM LINK 3xx to 645 (1x) – compatible vehicle power connection
Summary description:
Power cable adapter for TOMTOM devices, designed to connect a LINK 3xx unit to a 645-series power input. Provides a single (1x) dedicated power connection for in-vehicle installation and reliable power delivery. Suitable for fleet tracking hardware setups where compatible TOMTOM LINK and 645 components are used; simplifies cable routing and ensures stable supply during operation.