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PRELIMINARY INFORMATION: The new BeeLineGPS HP is very similar to the BeeLine GPS, except it is has an integrated amplifier capable of delivering up to 4 watts on the 70cm band. Like the BeeLine GPS, it has an optional integrated G-switch, but does NOT have any other dedicated telemetry inputs.
Transmits standard APRS data packets at 1200 baud. Integrated 12 channel GPS (works above 60K' MSL). Integrated RF amplifier: 1 watt at 4 volts, 4 watts at 8 volts. 9 volts Vin maximum. Antenna and power supply NOT included. Measures just 3 1/4 x 1 1/4 inches and weighs just 2 ounces without battery. Power consumption: 2 amps at 8 volts. Less than 100 milliamps when idle Regarding antennas: Given the high RF output power and lack of shielding and available ground plane associated with this device, proper antenna selection is very important to ensure proper operation. At 1 watt output, a 5/8 wave antenna works well if appropriate ground radials are provided. at 4 watts a simple J-pole antenna or other antenna that provides its own ground is recommended. More information regarding antenna selection can be found in the forums. |
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