Vaisala Hydromet Data Collection Platform - Manual (Page 362)

User's Guide ______________________________________________________________________
360 _________________________________________________________________ M210933EN-C
ORBCOMM Satellite Transceiver
Set
Table 93 ORBCOMM Satellite Transmitter Specifications
Property Description/Value
Power source (current)
Sleep mode
0.5 mA (@ 12 V), 1.2 mA (@ 24 V)
Power save 210 mA (@ 12 V), 115 mA (@ 24 V)
Receive 220 mA (@ 12 V), 120 mA (@ 24 V)
Transmit 1.4 A (@ 12 V), 0.7 A (@ 24 V)
Interface
Serial
RC232C
Input port 2 ch (TTL)
Output port 2 ch (TTL)
Analog input 2 ch, 8 bit (0 ... 3.3 V)
Power control 1 ch (SW)
Status monitor 2 ch (TTL)
Up-link (TX)
RF TX power
5 W
Frequency 148 ... 150.05 MHz, 819 ch
Modulation SDPSK 2400 bps
Down-link (RX)
Sensitivity
-118 dBm @ BER 1E-5
Frequency 137 ... 138 MHz, 399 ch
Modulation SDPSK 4800 bps
Position (determination)
Method
8 ch parallel, C/A code
Accuracy <100 m 2 Drms
TTFF <1 min
UTC time
Pulse period
1 ms pulse every sec
Pulse (VER C) 2/4/8/16/32 sec
Timing accuracy 1 s
Temperature
Operating
-30 ... 75 °C
Storage -40 ... 85 °C
Mechanical SAEJ1455
Vibration 4.9 g
Dimensions h × w × d 221 Ч 89 Ч 33 mm
(8.7 Ч 3.5 Ч 1.3 in.)
Weight 660 g (1.46 lb.)