Connected car device company Autobrain LLC's device with fourth-generation wireless network technology is now exclusively available on AT&T Inc.'s network.

The 4G LTE device is compatible with more than 200 million passenger vehicles in the U.S., according to an Aug. 8 news release. Autobrain offers various services, such as near real-time vehicle location, 24/7 roadside assistance and vehicle diagnostics.

The device costs $19.97 upfront and $9.97 per month with no contract and no activation fee.