ACX Advanced Ceramic X AT3216 Series Multilayer Chip Antenna Features Monolithic SMD with small, low-profile and light-weight type. Wide bandwidth RoHS compliant Applications Bluetooth/Wireless LAN/Home RF ISM band 2.4GHz applications Specifications Operating Peak Gain Average Gain Part Number Frequency VSWR Impedance (XZ-total) (XZ-total) (MHz) AT3216 2400 ~ 2500 1.5 dBi typ. -1.0 dBi typ. 3.0 max. 50 -A2R4PAA Qty/Reel (pcs) : 3,000pcs o Operating Temperature Range : -40 ~ +85 C o Storage Temperature Range : -40 ~ +85 C Storage Period : 12 months max. Power Capacity : 3W max. Part Number AT 3216 - A 2R4 PAA Type AT : Antenna Dimensions ( L W ) 3.2 1.6 mm Material Code A Initial center frequency 2R4=2400MHz T: Tape & Reel PAA Specification Code Packaging B: Bulk Soldering /LF=lead-free AT3216-A2R4PAAT/LF REV:5 PAGE:1/9 ACX Advanced Ceramic X Terminal Configuration No. Terminal Name No. Terminal Name Feeding Point GND GND GND <TOP VIEW> Dimensions and Recommended PC Board Pattern Unit : mm b w b T a L Mark L W T a b 0.3+0.1 Dimensions 3.20.2 1.60.2 1.20.2 0.50.2 /-0.2 Without Matching Circuits - Unit in mm Feeding line Matching Circuits 1.0 2.0 1.0 0.6 0.7 0 0.6 * 4.1 Solder Resist 4.0 Land Ground No ground *Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness. AT3216-A2R4PAAT/LF REV:5 PAGE:2/9