| M103 antenna is designed to receive signals of GLONASS / GPS in the frequency range from 1570 to 1606 MHz and application for mobile objects in harsh environments. | 
   
М103 antenna 
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Design features 
- Emitter antenna is made of ceramic.
 
- Antenna housing and radome are made of impact resistant plastic, cast.
 
- Splash-proof construction of docking output connector.
 
- Mounted on a mechanical object, by a set of assembly parts.
 
 
Specifications and operating conditions 
| Parameter | 
Value | 
 
|  Frequency range, MHz | 
from 1570 to 1606 | 
 
|  Output impedance, Ohm | 
50 | 
 
|  Output VSWR, no more | 
2 | 
 
|  Polarization | 
circular, right | 
 
|  The gain of the emitter at the zenith, dBik | 
3,5 | 
 
|  The gain of LNA, dB | 
30±2,5 or 40±2,5 | 
 
|  The noise of LNA no more, dB | 
1,5 | 
 
|  The frequency selectivity of the filter f0 -100 + 40 MHz no less dB | 
30 | 
 
|  Supply, V | 
from 2,2 to 12 | 
 
|  Current no more, mA | 
30 | 
 
 Dimension, mm:          - diameter          - height | 
74 58 | 
 
|  Mass no more, kg | 
0,2 | 
 
|  Protection | 
IP 65 | 
 
|  Operation temperature, °C | 
from -40 to +70 | 
 
|  Storage temperature, °C | 
from -50 to +85 | 
 
|  Humidity at 25 °C, % | 
100 | 
 
|  Connector | 
socket TNC | 
 
 
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