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Authorised AUS / NZ Dealer For Raveon & RavTrack Systems

M7 VHF Data Modem
General Features:
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Small enclosure contains both a VHF radio transceiver and modem
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RF power is programmable from 1/2 to 5 watts RF output.
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Compatible with MODBUS and DNP-3.
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6 channel memories each fully programmable across the band.
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Wide(25kHz) or narrow(12.5kHz) bandwidth may be selected on a channel-by chanel basis.
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Maximum over-the-air data rate of 19200 bps in 25kHz, 9600 bps in a 12.5kHz channel.
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Small size 4.60” X 2.60” X .956 (11.7cm X 6.6cm X 2.43cm)
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Very low power consumption (<65mA in RX mode)
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RS232 serial I/O is standard. RS422/485 optional.
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Outstanding communication range. 5-60 miles typical.
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Easy to use and configure.
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Packetized operation or real-time streaming data.
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Store-and-forward repeater capable. User-programmable.
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Internal GPS option available. Programmable update rates and protocol.
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TDMA (optional) or carrier-sense(standard) channel access.
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Built-in radio diagnostics AND remote diagnostics. Monitored: DCV, Current, and temperature
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Powerfull 32 bit CPU with base-band Digital Signal Processing for exceptional sensitivity
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Low-power modes for extended operation off of solar or batteries.
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Serial port baud rates and flow-control are programmable from 1200 through 115K baud.
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Automatic ARQ error correction may be enabled
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FCC approved for parts 22 and 90. FCC ID: SRS-M7-VB
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2-watt version FCC appoved for parts 95j (MURS). FCC ID: SRS-M7-VM
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Industry Canada approved: IC8386A-RVM7VB
Specifications
General
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DC Input Voltage ..................................................10-16V DC
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Receive Current Draw.........................................<65mA (55typ at 12VDC)
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Transmit Current Draw (5W)............................. < 2.7A
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Transmit Current Draw (2W)............................. < 1.2A
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SIze .......................................................................4.60” X 2.60” X .956 (11.7cm X 6.6cm X 2.43cm)
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Frequency, RV-M7-VA (export only)................. 136-155MHz
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Frequency, RV-M7-VB ....................................... 150-174MHz
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Channel Spacing ............................................... 12.5kHz, 25kHz, 30kHz
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Number of channel memories ....................... 6
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Channel parameters ........................................ TX frequency, RX frequency, IF bandwidth
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ID codes ............................................................. 65,536 plus 254 group codes
Transmitter
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RF Power Output ........................... 500mW – 5.0 W programmable
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Maximum Duty Cycle ............... 100% @ 2W to 40C, 25% @5W (100% w/ optional heatsink)
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Frequency Deviation ......................... ± 2.2kHz (narrow) ± 3.5kHz (wide)
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RF Bandwidth..................................... complete band
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Occupied bandwidth......................... 11 kHz (-N) 16kHz(-W)
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TX Spurious outputs.......................... < -70dBc
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TX Harmonic output .......................... < -80dBc
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Occupied Bandwidth......................... Per FCC
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FCC Emissions Designator ............... 11K0F1D (narrow)
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Frequency Stability ............................ Better than ±2.5ppm
Receiver
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RX sensitivity ( 0.1% BER)9600bps................... < -108dBm
4800bps................... < -114dBm
1200bps................... < -118dBm
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RF No-tune bandwidth ..................... complete band
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Adjacent Channel Selectivity............ -65dB narrow, -70dB wide
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Alternate Channel Selectivity........... -70dB
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Blocking and spurious rejection....... -80dB
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RX intermodulation rejection ........... -75dB
User Interface
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Serial Inter face Port
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USB Interface Option
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Standard Connector Type: DB-9
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IO Voltage Levels RS-232, RS-485, RS-422 (user selectable)
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RX and TX data Transparent Async
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Word length 7 or 8 bits
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Format N, O, or E
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Modem handshake signals RTS, CTS, CD
Unless noted, all specifications measured at 1200 baud. Specifications subject to change without notice.