Vaisala MAWS101 - Communication Devices; Table 62 SATELLINE 3 AS Radio Modem Specifications

User's Guide _______________________________________________________________________
186 __________________________________________________________________ M210243en-A
Communication Devices
Table 62 SATELLINE 3AS Radio Modem Specifications
Property Description/Value
Transceiver:
Frequency range 380 ... 470 MHz
Channel spacing 12.5 / 25 kHz
Number of channels 160 / 80
Frequency stability < ± 1.5 kHz
Type of emission F1D
Communication mode Half-duplex
Transmitter:
Carrier power 10 mW ... 1 W / 50 ohm
Carrier power stability +2 dB / -3 dB
Adjacent channel power acc. to EN 300 220-1 / ETS 300 113
Spurious radiations acc. to EN 300 220-1 / ETS 300 113
Receiver
Sensitivity -116 ... -110 dBm (BER < 10 E-3)
Co-channel rejection > -12 dB
Adjacent channel
selectivity
> 60 dB /> 70 dB
Intermodulation attenuation > 65 dB
Spurious radiations < 2 nW
Data modem:
Interface RS-232 or RS-422, RS-485
Interface connector D 15, female
Data speed of RS interface 300 - 38400 bps
Data speed of radio
interface
19200 bps (25 kHz channel)
9600 bps (12,5 kHz channel)
Data formats Asynchronous data
General:
Operating voltage +9 ... + 30 VDC
Power consumption 1.8 VA typical (receive)
6.0 VA typical (transmit)
0.05 VA typical (when DTR is "0")
Temperature range -25°C ... +55°C
Antenna connector TNC, 50 ohm, female
Construction Aluminium enclosure
Size H x W x D 137 x 67 x 29 mm
Installation plate 130 x 63 x 1 mm
Weight 250 g