ANT1590-2540A ANT1590-2540A 1 SCOPE This specification shall cover the characteristics of the dielectric antenna element with the type ANT1590-2540A. 2 PART NO. PART NUMBER ANT1590-2540A 3 OUTLINE DRAWING AND DIMENSIONS 3.1 Appearance: No visible damage and dirt. 3.2 The products conform to the RoHS directive and national environment protection law. 3.3 Dimensions adhesive tape 4-R4.0 0.6max 4.00.1 3.30.3 25.00.3 *: EIAJ Monthly Code 4 ELECTRICAL SPECIFICATIONS 4.1 Performance Characteristics Items Content 1575~1608 Nominal frequency MHz (GPS : 1575, GLONASS : 1598~1608) Center frequency MHz 1597.53.0 (without tape on 2727mm ground plane) Return Loss at 1585 MHz max dB -7 Return Loss at 1610 MHz max dB -7 Impedance 50 Polarization Model RHCP permittivity 21 Frequency Temperature Coefficient 20ppm/deg. max 1 25.00.3 2.50.1 0.8ANT1590-2540A ANT1590-2540A 4.2 Impedance Characteristic 5 TEST 5.1 Test Conditions Parts shall be measured under a condition (Temp.:2015, Humidity : 65%20% R.H.). 5.2 Test Jig Ground plane SMA 2