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Hardware Features
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Low-profile IP67 rugged housing
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The IP67 rated housing is made of sturdy ABS/Polycarbonate plastic to survive bumps and knocks and to survive many years in the sun and weather.
It is low-profile making it easier to mount in the corrugation on containers or concealed on the underside of a trailer, for example.
The housing screws together for easy assembly, and has 2 convenient mounting tabs. It also has ‘strap slots’ allowing the Oyster to be cable tied or metal strapped to an asset.
Dimensions: 100 mm x 65 mm x 19 mm (excl. mounting tabs)
Weight: 160 grams with batteries
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Batteries
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AA size
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The Oyster uses 3 x “AA” size 1.5V Lithium batteries which provide a balance between size and capacity
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Off-the-shelf Lithium
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The Oyster Cellular must be fitted with off-the-shelf 1.5V Lithium batteries. These are readily available from retail outlets, for example Duracell and Energizer.
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Sleep Current
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10uA (micro amps)
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Battery Life with Adaptive-Tracking
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The Oyster can be set to use Adaptive-Tracking technology where the accelerometer and GPS data are used to intelligently work out if it is moving and to send frequent updates, and to scale the update rate down to once per day if the asset is stationary - to preserve battery life.
5 years @ one position per day (at 25°C)
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Operating Temperature
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-20°C to +60°C 1
For operation in extreme temperatures, the Oyster must be fitted with Lithium batteries. Batteries are affected by temperature extremes and typical performance is dependent on temperature
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High sensitivity GPS
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UBLOX MAX-M8Q GPS module
Supports concurrent GPS and GLONASS
72 channel high sensitivity receiver
-167dBm industry leading tracking performance
Optimal hot-start performance
AssistNow Offline aiding data for fast time-to-first-fix and performance in urban canyon environments
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GLONASS
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The Oyster uses both the GPS and GLONASS positioning systems simultaneously.
This allows the device to use twice the number of satellites to get a position fix – making it faster and more accurate.
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Low noise GPS amplifier
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GPS signals are boosted by a special low-noise amplifier (LNA)
This allows the Oyster to operate where normal units will fail to receive GPS signal – like in a container stack!
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Cellular Communications
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The Oyster Cellular can be manufactured for specific markets around the world depending on their modem requirements:
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2G Modem
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Quad Band GSM/GPRS Class 10
850 / 900 / 1800 / 1900 MHz
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3G Modem – EU
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850 / 900 / 2100
EMEA / APAC / Latin America
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3G Modem - NA
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850 / 1900 / AWS
North America (AT&T)
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LTE-CAT1, CATM and NB-IOT currently in development
Enquire for other bands and LTE / 4G options
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Certifications
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In progress
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Internal Antennas
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Internal GPS and Cellular RF antennas tuned by the RF laboratories to ensure optimal performance
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3 axis accelerometer
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The 3-axis accelerometer allows the Oyster to ‘sleep’ in an ultra-low power state yet still wakeup when movement occurs.
Future firmware versions will allow for harsh G-force detection (like assets being dropped or involved in accidents)
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Flash memory
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The Oyster has enough flash to store over 50,000 data records, and will record information even when out of cellular coverage.
The flash memory is also used to store firmware updates, GPS aiding data, parameters and other important information.
A future firmware version will allow for geo-fences to be loaded into the flash memory of the device and used for geo-fence alerting on the device.
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