ORBCOMM OGi, Руководство по оборудованию

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OGi Modem - Hardware Guide
T401, Version .15 10 © ORBCOMM Proprietary
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Broadcast messages
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Low latency messaging
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Up to 6,400 bytes from-mobile messages for the AT Interface; up to 6,000 bytes
from-mobile messages for the OG Interface

Up to 10,000 bytes to-mobile messages for the AT Interface; to-mobile messages
for the OG Interface are truncated
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Acknowledged messages

Global service
1.2 OGi Modem
The OGi modem provides easy integration and the highest level of EMI/EMC shielding
that reduces integration risk when the modem is co-located with other electronics.
Figure 2 OGi Modem
1.2.1 Remote Antennas
Two passive antenna types are available: a standard antenna (Figure 3) and a low
elevation antenna (Figure 3). The standard antenna has an elevation angle of 20 to 90°
and the low elevation antenna has an elevation angle of -15 to 90°. The OEM Integrator
is responsible for providing a specific RF cable to connect the antenna to the modem.
Both the standard and low elevation antennas are:

Available with a side or bottom connector

Sealed for operating in outdoor environments
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Provide four mounting tabs for installation
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Available with an SMA connector
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Available packaged or unpackaged