Vaisala Hydromet Data Collection Platform - Manual (Page 361)

Chapter 7 ____________________________________________________________ Technical Data
VAISALA______________________________________________________________________ 359
Table 92 Radio Modem SATELLINE 3AS Epic Specifications
Property Description/Value
TRANSCEIVER
Frequency range
400 ... 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
1 ... 10 W/50 
Carrier power stability +2 dB/-3 dB
Adjacent channel power acc. to ETS 300 113
Spurious radiations acc. to 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
+11.8 ... + 30 VDC
Power consumption 3 VA typical (receive)
25 VA typical (transmit)
0.05 VA typical (when DTR is "0")
Temperature range -25 ... +55 °C
Antenna connector TNC, 50 , female
Construction Aluminum enclosure
Dimensions h × w × d 151 Ч 123 Ч 31 mm
(5.9 Ч 4.8 Ч 1.2 in.)
Weight 550 g
(1.2 lb.)