GSM COMMUNICATION UNIT WITH PILOT - BOX AND STABLE COMMUNICATION. GSM MAGNETIC ANTENA. ANTENNA FIXING BRACKET FOR PLASTIC SURFACES. FEMALE NEXUS CONNECTOR. INTEGRATED SIM PORT SLOT. ON/OFF POTENTIOMETER WITH VOLUME ADJUSTMENT. 12V POWER CABLE. ROLLCAGE OR DASHBOARD MOUNTING. NOTE: DISABLE THE PIN FUNCTION ON THE SIM CARD, SYSTEM PERFORMANCE DEPENDS ON THE AVAILABILITY OF GSM SIGNAL.