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General| Model | BT-821C |
|---|---|
| Type | Bluetooth GPS Receiver |
| Chipset | SiRF Star III |
| Frequency | L1, 1575.42 MHz |
| Channels | 20 |
| Sensitivity | -159 dBm |
| Acquisition Sensitivity | -148 dBm |
| Tracking Sensitivity | -159 dBm |
| Update Rate | 1 Hz |
| Bluetooth | Bluetooth 2.0 |
| Weight | 60g |
| Acquisition Time (Hot Start) | 1 sec |
| Acquisition Time (Warm Start) | 38 sec |
| Acquisition Time (Cold Start) | 42 seconds |
| Battery | Li-ion |
| Battery Type | Rechargeable |
| Operating Temperature | -10°C ~ +60°C |
| Storage Temperature | -20°C to 70°C |
| Accuracy | 3m (2D RMS) |
BT-821C is a high-performance Bluetooth GPS receiver with MTK chipset and 66 search channels.
Lists key features like MTK chipset, fast TTFF, Bluetooth, high capacity battery, and supported protocols.
Details technical specifications for GPS chipset, Bluetooth, physical characteristics, and environmental range.
Illustrates the physical layout of the BT-821C, identifying the Power Button, DC Jack, and Battery Cover.
Explains the status indications for the Bluetooth, GPS, and Power LEDs on the device.
Details the actions and functions associated with the device's power button.
Describes the automatic power-off feature when the device is idle and not connected.
Instructions for charging the BT-821C battery using the included charger before initial use.
Procedure for powering on the BT-821C by pressing and holding the power button.
Guidance on positioning the device and checking the GPS LED for a fixed satellite position.
Steps to pair the BT-821C with Bluetooth devices and establish a connection.
Instructions to launch navigation software on the connected Bluetooth device.
Troubleshooting steps for Bluetooth connectivity issues, checking indicators and battery level.
Steps to resolve GPS positioning problems, including checking indicators, performing cold start, and battery level.
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