Harman Spark in-car diagnostic dongle brings AT&T 4G LTE

Harman has launched Spark, a dongle that connects to a vehicle’s OBD II sensor to provide both diagnostic data and in-car 4G LTE access. Spark is being offered exclusively in the US by AT&T, which offers service for the device as part of existing plans and as a standalone option. The dongle is also part of a promo that offers …