Iridium Modem





The A3LA-RS is a satellite modem comprised of an Iridium® 9523 transceiver. It allows SBD, SMS, data switch and RUDICS connectivity to the Iridium satellite network. The A3LA-RS does not support voice communications.

Key Features:

  • Low cost
  • Small form factor
  • Data-only modem capable of SBD, SMS, Data Switch and RUDICS
  • RS-232 Interface
  • Functionally the same as the Iridium 9522B Modem data functions
  • Approx. 70% less volume than the Iridium 9522B Modem
  • Approx. 70% lighter than the Iridium 9522B Modem

Compatible Airtime Services:



Dimensions 92 mm x 48 mm x 23 mm (3.63″ x 1.88″ x 0.92″)
Weight 122 g (4.3 oz)
Input Voltage: 3.5V to 5.4V
Avg. Current: 350mA @ 5V Input
I/O Interface: 15-Pin D-Sub, SIM Reader
Antenna Interface: SMA Female
Software Interface: AT Commands through Serial
Operating Temp: –30°C to +70°C (–22°F to +158°F)
Operating Humidity:  < 75% RH
Operating Frequency:  1616.0 to 1626.5 MHz
Link Margin: 12 dB



451-92899-001A A3LA RS User Guide

451-92899-002B 3LA-RS Quick Start Guide

SatTerm v9.1.1 Setup

Server for Trackers 8.6.5

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