Are there any speed limitations with my Mobile broadband plan? Included data comes with access to our fastest download speeds. Related articles What are JB Hi-Fi Mobile Broadband Plans? What's included in our JB Hi-Fi Mobile broadband plans? I have a Telstra plan; can I change to a JB Hi-Fi Mobile broadband plan? Can I bring my number from another provider? How do I pay for my JB Hi-Fi Mobile service?