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Compact, Low Power& Sensitive GPS Antenna with Excellent Signal Amplification for Mobile Applications
Overview
The upgraded version of SM-18, MK-18 is the most compact GPS antenna available with low power consumption 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, MK-18 is compatible with almost every GPS receiver model, especially the GPS PDA on the markets and provides an excellent alternative for a vast range of GPS applications including AVL, Vehicle Navigation, Aviation, and Military
Features
- Ultra-low input voltage and power consumption
(Input Voltage as Low as 1.8V ~ 3.3V; Power Consumption as Low as 5.1mA) - Diminutive & rugged construction allows for military and other applications demanding high degree of confidentiality.
- Ultra-high sensitivity
- Module board available for embedded applications
- Various colors upon request
- Ideal for GPS PDA, and other GPS devices
- Fully weatherproof
- Excellent temperature stability
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Installation
- Secure your MK-18 antenna to the top of your vehicle and carry its cable into the vehicle.
- Link the cable connector to your GPS receiver.
- Start with your navigation.
Applications
AVL/ Car Navigation/ Vehicle Tracking/ Weather Balloon/ Security Surveillance/ External Antenna for Handheld GPS/ PDA, HPC
Technical Drawing
Specification
Physical construction |
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| Construction: | 
Polycarbonate radome on metal base |
| Dimension: | 33.95mm (L) x 25.20mm (W) x 10.60mm (H) |
| Weight: | 30 grams (excluding cable & connector) |
| Color of Radome: | Standard in dark gray, other colors available upon request |
| Standard Mounting: | Magnet or screw mount |
OverAll Antenna Performance |
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| Center Frequency: | 1575.42 MHz +/- 1.023 MHz |
| Gain | 19 dB typically |
| Polarization: | R.H.C.P. |
| Absolute Gain at Zenith: | +5 dBi typically |
| Gain at 10o Elevation: | -1 dBi typically |
| Axial Ratio: | 3 dB max. |
| Output VSWR: | 1.5 Max. |
| Output Impedance: | 50 ohm |
| Operating voltage | 1.8 ~ 3.0V DC |
| Power Consumption | 5.1mA +/- 1.0mA @ 1.8V DC |
Low Noise Amplifier |
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| Center Frequency: | 1575.42 MHz +/- 1.023 MHz |
| Band Width: | 2 MHz min. |
| Noise Figure: | 2.0 Max. |
| Out Band Attenuation: | 20dB min. @F0 +/- 50MHz |
| Supply Voltage: | 1.8~3.3V DC |
| VSWR: | 1.5 Max. |
| Output Impedance: | 50 ohm |
Cable & Connector |
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| RF Cable: | 3 meter RG174/U (standard), other length available |
| Pulling Strength: | 6 Kg/5 sec. 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 type |
| Optional Adapters: | FME~MCX, FME~BNC, FME~SMA, FME~SMB, FME~TNC |
(This specification is subject to change without prior notice.)
Data Updated: February 8, 2006
