2. Specifications
2.1.
General
All measurements made per TIA-603-B
Size (inches) ......................................................................................................... 3.0D X 3.76W X 1.40H
DC input voltage ......................................................................................................................... 9-16V DC
Typical current draw, receiving, over-the-air rates < 4800bps ........................................................ <80mA
Maximum current draw, receiving, over-the-air rates >= 4800bps ................................................ <110mA
Current draw when transmitting data .....................................................<1.7A max, 1.5A typical at 2watts
Frequency stability....................................................................................................................... ±1.5ppm
Over-the-air baud rates (programmable) .................................. 800, 1200, 2400, 4800, 5142, 8000, 9600
Internal data buffers (transmit and receive) ............................................................................ >2000 bytes
Operating temperature range.................................................... -30ºC to +60ºC (-30ºC to +80ºC storage)
TX-RX and RX-TX turn-around time ............................................................................................... <15mS
Power on time to operational ........................................................................................................ <500mS
FCC ID
Model RV-M5-M ............................................................................................ SRS-RV-M5-M
2.2.
Transmitter
Maximum RF power output.......................................................................................................... 2.0 watts
Maximum duty cycle ....................................................................................................... 20% at full power
Maximum transmit frequency deviation.......................................................................................± 2.25kHz
Occupied bandwidth .....................................................................................11 kHz (12.5kHz channels)
TX spurious outputs ..................................................................................................................... < -70dBc
Emissions designator...................................................................................11K0F1D (12.5kHz channels)
2.3.
Receiver
Typical RX sensitivity (1% BER)
9600bps, 4-level, 12.5kHz channel ........................................................................ -109dBm
4800bps, 2-level ..................................................................................................... -113dBm
2400bps.................................................................................................................. -116dBm
1200 and 800bps.................................................................................................... -118dBm
RX selectivity .................................................................................................................................... -50dB
Spurious and image rejection ........................................................................................................... -60dB
RX intermodulation rejection.......................................................................................... -60dB at 2400bps
Conducted spurious emissions .................................................................................................... <-20dBm
2.4.
User Input and Output Signals
Serial port baud rates........................................................ 1200, 2400, 4800, 9600, 19200, 38400, 57600
Voltage levels ...................................................................................................... RS-232 complaint levels
Modem handshake signals .............................................................................. RTS, CTS, DTR, DSR, CD
RF I/O
......................................................................................................................... 50 ohm BNC
Power
.............................................................................................................B+ input and Ground