1. Product Introduce
The external antenna, is a support Beidou two generation (B1) /GPS (L1) dual-mode active receiving antenna. The built-in high
performance dual mode (BD2/GPS) receiving module, ceramic antenna, low noise amplifier. The plastic shell, the waterproof design.
The product has the advantages of small volume, convenient installation and use.
2. Appearance
| External dimension |
48.5*37*17mm |
Mounting |
-- |
| Weight |
-- |
connector |
SMA or other |
| Shell Color |
Black |
Cable length |
3M or custom |
3. Operating Condition
Temperature :-40ºC~+85ºC
Humidity:95%~100%
4. storage condition
Temperature:-45ºC~+85ºC
Humidity:95%~100%
5. Antenna performance
Antenna Parameter
| NO |
Item |
Specification |
Remark |
| 1 |
Receiving frequency(MHz) |
1575.42±2&1561.098±2 |
±2.5 |
| 2 |
center frequency (30*30m)(MHz) |
1568±3MHz |
±3.0 |
| 3 |
tape width(MHz) |
≥10 |
|
| 4 |
standing-wave ratio (SWR) |
≤1.5 |
|
| 5 |
Gain (dBi) |
3 |
±0.5 |
| 6 |
axial ratio (dB) |
3.0 |
±0.2 |
| 7 |
Polarization |
RHCP |
---- |
| 8 |
characteristic impedance (Ω) |
50 |
---- |
| 9 |
temperature coefficient of frequency(ppm/ºC) |
0±10 |
---- |
| 10 |
Patch antenna size(mm) |
25x25x4 |
|
Amplifier
| NO |
Item |
Specification |
| 1 |
Frequency Range |
1575.42±2MHZ&1561.098±2MHz |
| 2 |
Amplifier Gain |
23dB±1 |
| 3 |
V.S.W.R. |
≤2.0 |
| 4 |
Noise figure |
≤2.0 |
| 5 |
direcy current |
≤10mA |
| 6 |
direct voltage |
3.3v |
Audited Supplier 
){kind=link}