1Product Description
Your CS-803 Digital Control Station is a hardware component of
the OpenSky network, an integrated voice and data
communications system that delivers end-to-end digital
transmissions over a single wireless network to various subscriber
units.
The CS-803 is intended to operate in an office environment,
typically for dispatch purposes. The radio operates over both the
Specialized Mobile Radio (SMR) and National Public Safety
Planning Advisory Committee (NPSPAC) frequency bands. These
bands provide a total of over 830 possible channels spread over
the 806-824 MHz transmission and 851-869 MHz reception bands.
The CS-803 operates full duplex with an 18W (typical) transmit
output power.
The CS-803 uses Time Division Multiple Access (TDMA)
technology to allow multiple users to share a single RF channel. In
addition, a single 25kHz RF channel can support simultaneous
digital voice and data communications. Depending on the user
configuration of the network or agency, the radio supports the
OpenSky digital protocol as well as Conventional FM.
The CS-803 provides voice and data services in a dispatch
operation. Voice operation is provided through various CS-803
compatible user interfaces that use a microphone and speaker. For
data transfers or graphics, the CS-803 is constructed with an
industry-standard RS-232 interface serial port for connecting
optional equipment such as a Mobile Data Terminal (MDT), laptop
PC or third-party display or key-entry device. OpenSky works
seamlessly with equipment from popular manufacturers and off-
the-shelf applications through a standard UDP/IP protocol,
providing you with simple “plug and play” connectivity.
A host terminal, not included with the CS-803, provides data
connectivity through the standard RS-232 serial (DCE) interface.
Your CS-803 is a “soft” radio. Its functions are determined by
whichever release of OpenSky software applications are installed.