Waveshare GSM GPRS GPS Shield Based on SIM908 متحكم مع وايرلس
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Specifications |
|
|
Module |
SIM908 (Integrated GSM/GPRS + GPS) |
|
GSM Bands |
Quad-band: 850/900/1800/1900 MHz |
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GPRS |
Class 12, max 85.6 kbps
(download/upload) |
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GPS |
22-channel receiver, sensitivity:
-165 dBm (tracking) |
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Position Accuracy |
<2.5m (GPS), <5m (Assisted
GPS) |
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Power Supply |
5V–12V DC (Shield input),
3.4V–4.5V (SIM908 logic) |
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Current Draw |
Peak: 2A (GSM transmit), Idle:
~50mA |
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Interfaces |
UART (TTL) for AT commands, GPIOs,
Mic/Speaker (audio) |
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Antenna Ports |
GSM (SMA), GPS (SMA) (external
antennas included) |
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SIM Card Slot |
Standard 3V/1.8V SIM (supports
most carriers) |
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Operating Temp. |
-30°C to +80°C |
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Dimensions |
Approx. 70mm × 60mm (Arduino
shield form factor) |
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