Part number: DAE1575R25B 1. Size: 25 x 25 2. Center frequency (Fo): 1575.42 +/- 1.023 3. Bandwidth: 15MHz 4. VSWR(inBW): 2.0max 5. Axial Ratio(DBi): 4.0 max 6. Gain: 5.0 min 7. Ground plane size: 70 x 70 (mm) Part number: DAE1575R20B 1. Size: 20 x 20 2. Center frequency (Fo): 1575 3. Bandwidth: 6MHz 4. VSWR(inBW): 2.0max 5. Axial ratio (DBi): 4.0 max 6. Gain: 5.0 min 7. Ground plane size: 40 x 40 (mm)