User`s manual

Major Component Specifications
• OpenTracker 1+
• Operating Voltage 5VDC Regulated
• Operating Current 8 mA Idle, 20 mA Transmitting
• Modes 1200 bps AFSK
• Format APRS Standard
• GPS Interface NMEA 4800 bps
• Trimble Compernicus GPS
• Receiver Class Sirf-Star III
• Channel 20
• Operating Voltage 3.25-3.3 VDC
• Cold Start Lock Time >30 Second
• Interface NMEA-0183
• Sensitivity -145dBm at Acquisition
• Maximum Altitude +60K Feet
• Operating Current 30 mA
• SBR MX146LV Transmitter
• Frequency Range 144.000 – 148.000 MHz
• Operating Voltage +5 VDC
• RF Transmit Power 350 mW
• Current Draw 2 mA Idle, 300 mA Transmitting
• Spacing 2.5 kHz
• Modulation Dual Injection
• Modulation BW >20 kHz
• Spurious Suppression 80 dB
• Harmonic Suppression 45 dB
• Frequency Stability +/- 5ppm