Abracon ACR3705LZ Automotive-Qualified LTE Chip Antennas are AEC-Q200 qualified and offer 4G/LTE full band coverage as well as 2G/3G/GSM support. Abracon ACR3705LZ antennas feature 700MHz to 960MHz / 1710MHz to 2170MHz / 2500MHz to 2700MHz operating frequencies. The antennas provide 50Ω impedance and up to 70% efficiency.