Disclaimer All MOBI Modems have been tested to operate within the handheld coverage contours of the advertised coverage map. MOBI Wireless Broadband coverage depends on where you are, the modem you are using and whether it has an external antenna attached. For tips on maximizing your coverage, visit the Speed Enhancing Accessories page. Customers should be aware that the MOBI wireless coverage maps displayed have been created using tools that predict the likely areas of coverage. Not every particular location within the identified coverage areas has been individually tested for coverage. This means that while the footprint of coverage outlined on the maps is generally accurate, there will be specific areas described as being within a coverage area where a customer's modem will not work. This is a common characteristic of wireless systems. For example, coverage could be degraded or not existent in specific locations due to certain physical structures or geographic features. Physical structures which may block or inhibit coverage could include basements, lifts, underground car parks, concrete buildings, tunnels and road cuttings. Geographic features which may block or inhibit coverage could include formations such as hills and mountains or even trees. Customers should also be aware that the MOBI wireless coverage maps also may indicate planned coverage expansions of the MOBI wireless network. Coverage planned for the future is based on MOBI's rollout schedule. MOBI reserves the right to modify this schedule without notice, as required from time to time. Data speeds experienced on MOBI's wireless network may be affected by network availability, the type and configuration of customer equipment, the performance of external networks (for example the Internet), the signal strength of the modem used and other factors such as the type of application being used.