Patch Internal GPS Antenna with 1575.42MHz Frequency
1. Introduction
The GPS built-in active antenna is composed of ceramic antenna body, low noise amplifier and feeder cable. It has the following characteristics:- Low voltage: 2.7~3.3V
- Low noise coefficient: <2.0
- Gain: 26±2dB
2. Antenna Structure
| Size | 25×25×8.7mm |
| Connector | MMCX Gold-plated bend head |
| Connecting Line | RG178 cable |
| Weight | 20g |
| Working Temperature | -40ºC~80ºC |
| Working Humidity | 10%~95% |
| Storage Temperature | -45ºC~85ºC |
| Storage Humidity | 10%~95% |
| Length of Lead | 200mm |
3. Technical characteristics
3.1 Antenna Parameters| Center Frequency | 1575.42MHz |
| Width | 10MHZ |
| Gain (maximum direction) | 3dB |
| Gain (10 °elevation) | -5dB |
| Polarization | RHCP |
| Impedance | 50Ω |
(the above indicator test is based on 25x25mm ground)3.2 Low Noise Amplifier| Center Frequency | 1575.42MHz |
| Gain | 26±2dB |
| Noise Figure | <2.0dB |
| V.S.W.R | <2.0 |
| Working Voltage | 2.7~3.3V |
| Working Current | 10±2mA |
| Impedance | 50Ω |

