CONTROL BOX GSM

Sparco GSM Car To Pit Intercom is a simple and cost-effective way to communicate clearly from pit to pit through this GSM device with SIM card. The unit is powered by 12v (cable included) and is controlled by a simple on/off volume switch. It features a nexus male connector and can be adapted to fit most helmet headsets with adapter cables or female to female extension cables. Individual volume control with on/off indicator Can be mounted on a dash or roll bar Military grade Nexus connectors Also comes with a multi-surface mount antenna. As long as there is mobile reception with the SIM provider in the area, it works similar to a mobile phone.