25X25X4mm Internal active GPS antenna
Specification:
1、
This antenna is including GPS frequency band passive antenna and low noise amplifier.It is not only can receive GPS signal,but also small volume and save power.It is very suitable for vehicle navigations and handheld equipments.
2、 天线特性 Antenna Feature
频率范围Frequency | 1575.42±1.023MHz |
阻 抗Impedance | 50欧姆 Ohm |
极化方式 Polarization mode | 圆极化 Circular polarization |
天线轴比 | ≤5dB |
水平面覆盖角度Signal coverage degree | 360° |
输出驻波 Output VSWR | ≤2 |
最高增益Max. Gain | 2.0dBi |
3、 低噪声放大器指标 Low noise amplifier
增益Gain | ≥32dB |
噪声系数Noise Factor | ≤1.2dB |
输出驻波 VSWR | ≤2.0 |
带内平坦度 In-band flatness | ±1.0dB |
输出P1dB压缩点 Output P1dB crash point | ≥-10dBm |
· 带外抑制（偏离中心频点40MHz） · Out-of band rejection(Frequency off center 40MHz) | ＞25dBc |
工作电压Working Voltage | 3、5V |
工作电流Working Current | ≤12mA@3V、20mA@5V |
4、 Others
天线尺寸Size | 25*25*6.5 mm ceramic 25*25*4mm |
电缆型号 The No. of cable | RG178 or customized |
电缆长度Length of cable | 85±5mm or customized |
接头Connector | SMA or customized |
