
NAL Research Corporation (451-93156-009A)
8
IMPORTANT: Never feed supply voltage into the active GPS antenna. Always use the bias
voltage supplied by the A3LA-RG SMA antenna connector to power an active GPS antenna.
Feeding voltage to the GPS antenna other than the provided bias voltage will permanently
damage the A3LA-RG.
2.0 SPECIFICATIONS
2.1 Mechanical Specifications
Dimensions:
102 mm x 61 mm x 24 mm (4.0” x 2.43” x 0.95”)
Weight:
201 g (7.1 ounces)
Multi-Interface Connector:
25-Pin Male D-Sub
Iridium Antenna:
TNC Female Connector
GPS Antenna:
SMA Female Connector
SIM Chip Reader:
Located beneath a cover plate on top of the A3LA-RG
Status Display:
Four LEDs
Cooling:
Convection
Enclosure:
Aluminum/EMI shielding
2.2 RF Specifications
Operating Frequency:
1616 to 1626.5 MHz
Duplexing Method:
TDD
Multiplexing Method:
TDMA/FDMA
Link Margin:
12 dB average
Average Power during a Transmit Slot (Max):
7W
Average Power during a Frame (Typical):
0.6W
Receiver Sensitivity at 50
(Typical): –118 dBm
2.3 Electrical Specifications
Main Input Voltage Range:
+4.0V to +5.4V or +5.0V to +32.0V
Average Standby Current:
~175mA @ 5.0VDC (with +5.0V to +32.0V setup)
Average Data Call Current:
~420mA @ 5.0VDC (peak of 2A)
NOTE: The power requirements apply to DC power measured at the A3LA-RG multi-
interface connector input. The average data call current may vary depending on the field-
of-view between the modem antenna and the Iridium satellite.
2.4 Environmental Specifications
Operating Temperature Range: –30
o
C to +70
o
C (–22
o
F to +158
o
F)
Operating Humidity Range:
< 75% RH
Storage Temperature Range:
–40
o
C to +85
o
C (–40
o
F to +185
o
F)
Storage Humidity Range:
< 93% RH
2.5 Data I/O Specifications
Dial-Up Data/RUDICS: 2.4 Kbits/sec (average)
Direct Internet:
2.4 Kbits/sec (average)
Содержание A3LA-RG
Страница 116: ...NAL Research Corporation 451 93156 009A 116 ...
Страница 118: ...NAL Research Corporation TN2012 32 V1 0 118 ANICAL DRAWINGS ...
Страница 119: ...NAL Research Corporation TN2012 32 V1 0 119 ...