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| Company Name : | San Jose Technology, Inc. |
|---|---|
| Country : |  Taiwan |
MA-28 is the most compact GPS antenna available on the current market. Its state-of-the-art technology allows for miniature without. With good coverage almost all the way to the horizon, it performs excellently in foliage or urban canyon environment -- even in the presence of electromagnetic interference!
Featuring diminutive and rugged enclosure and unparalleled performance, MA-28 is compatible with almost every GPS receiver model on the markets and provides an excellent alternative for a vast range of GPS applications including AVL, Vehicle Navigation, Aviation, and Military.
| Physical Condition | ||
| Construction | Polycarbonate- radome at top, die-cast shell at bottom/ rubber gasket for water seal in between | |
| Dimension | 46mm (L) x 38mm (W) x 12.5mm (H) | |
| Weight | 50 grams (excluding cable & connector) | |
| Standard Mounting | Magnet mount with two magnets & screw mount | |
| Optional Mounting Plate | Customized metal sheet | |
| Cable & Connector | ||
| RF Cable | 5 meter RG174/U (standard) cable, other length available | |
| Pulling Strength | 6 Kg @ 5sec with molded plastics on connector end for strain relief | |
| Connector Available | BNC,TNC,FME (to be adapted), GT5, MCX (OSX), SMA, SMB or SMC in straight or right angle | |
| Optional Adapters | Universal Connector Adapter (FME to TNC/BNC/SMA/SMB/MCX) | |
| Antenna Element | ||
| Polarization | R.H.C.P. (Right Handed Circular Polarization) | |
| Absolute Gain @ Zenith | 3 dBic Typ. | |
| Gain |
90° ：2.0dBi min. / 20o ：-5.0dBi min. Mounted on the 60mm × 60mm square ground plane |
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| Axial Ratio |
90° ：3 .0dB max. Mounted on the 60mm × 60mm square ground plane |
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| Low Noise Amplifier | ||
| Gain | 27dB @ 3V | |
| Bandwidth | 10 MHz min. @S11£-10 dB | |
| Noise Figure | 1.5dB Typical . | |
| Supply Voltages | 2.5 ~5V DC | |
| Current Consumption | 3V : 10.6mA+1mA, 5V : 21mA +1mA | |
| Output Impedance | 50 ohm | |
| Output VSWR | 2.0 max. | |
| Overall Performance（Antenna Element, LNA & Cable） | ||
| Center Frequency | 1575.42 MHz | |
| Gain |
At 90° 28 ± 2dB (cable loss) Note:1 Mounted on the 60mm x 60mm square ground plane |
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| Output Impedance | 50 ohm | |
| VSWR | 2.0 max. | |
| Environmental Conditions | ||
| Operation temperature | -40°C to +85°C | |
| Storage temperature | -40°C to +90°C | |
| Relative Humidity | 95% non-condensing | |
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| Company Name : | San Jose Technology, Inc. |
|---|---|
| Country : | Taiwan |