BRB Iridium SBD transmitter with Integrated GPS
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The BigRedBee SBD allows you to send and receive short messages from anywhere on Earth with a clear view of the sky using the Iridium satellite network. No cell phone / GSM / APRS or other radio service is required. The integrated GPS and power management features provide a completely self contained system, no external components required. Extremely low idle power consumption means standby time are measured in months with a battery not much larger than the transmitter itself.
At just 1.75" x 1.75", the BigRedBee SBD is the smallest complete Iridium SBD system available in the world..
MK20DX256 32-bit Cortex-M4 CPU 56 channel u-blox MAX-7 GPS module
Iridium 9602 SBD Modem Powered by single cell lipo battery (4.2 volts)
Size: 1.75” x 1.75” Custom designs available at a nominal charge
Boost Regulator provides 5V at 1A max
Remote control of transmitter schedules
When power is applied, the GPS is enabled to calculate a valid position report. A data packet with latitude and longitude, a timestamp and some other miscellaneous information is constructed and sent to its destination via the Iridium satellite network. The ASCII packet can be converted to binary to reduce the packet size. The entire device then enters a low power sleep state for a user specified time period before waking and repeating this process. Other parameters can control which hours of the day the device is active. These parameters can be controlled remotely.
The device must be activated with an Iridium data service provider. Data plans start at $16/month for 12Kbytes of data (yes, 12000 bytes). This device is intended for low bandwidth applications. Sending just one position report every hour continuously for an entire month would require approximately 18,000 bytes.
Unlike other Iridium transceiver modules, the 9602 uses a single antenna for both Iridium and GPS satellite communications.
BigRedBee provides only the BRB SBD hardware. You are responsible for activating a data plan, and setting up a local server to capture, store and visualize the data. BigRedBee may be able to provide assistance and a demo server, but can not make any guarantees regarding reliability or uptime.
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