DECODE PRM4 User Manual - Page 19

Browse online or download pdf User Manual for Radio Modems DECODE PRM4. DECODE PRM4 20 pages. 868mhz

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6 Technical specifications

Frequency range
Channel range and number
Transmit power
Modulation
Deviation
Occupied bandwidth
Frequency control
Frequency stability
Tx – Rx transition time
Error detection
Radio signaling rate
Receiver sensitivity
Channel occupation time
Range
Antenna connector
Antenna impedance
Serial interface
Serial connector DB9 DCE
Settings
Addressing scheme
Network configuration
Power supply
Power consumption
LED indications
Temperature range
Protection
Dimensions
Weight
Mounting
Radio modem PRM4 868MHz /User's manual V1.6 / 24.05.2011
ISM 868MHz, according to EN 300 220
25kHz, 80 channels
+13dBm, 20mW
2FSK with Gaussian filtration
±4kHz
25kHz
synthesizer
±2 ppm, -10ºC to +60ºC
≤1ms
CRC16
9600bps
better than -115dBm for 10 -3 BER
less than 1%
up to 2km with rod antenna, 16km with high gain
antenna
SMA female
50Ω
8 data, None parity, 1 stop bit
1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200
RS-232: Tx, Rx, RTS, CTS, DTR, DSR, DCD, RI,
GND
RS-422: Tx+, Tx-, Rx+, Rx-, GND (2W/4W
selectable)
RS-485: Tx+, Tx-, Rx+, Rx-, GND (2W/4W
selectable)
Termination 120 Ohm for RS-422 and RS-485
selectable
through AT command set
65536 network addresses, 256 source addresses
Point-to-point, point-to-multipoint
8-32Vdc, 2W or battery option 3.3-12Vdc
<50mA
power supply, receive, transmit, error in channel
-20°C to +75°C, 0 to 95% RH (non condensing)
IP50
86 x 57 x 26 mm
110g
desktop or optional mounting for 35mm DIN rail
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