Iridium Modem w/ Encryption





The A3LA-RM Modem is comprised of an Iridium® 9523 transceiver. It enables SBD, SMS, Data Switch and RUDICS connectivity to the Iridium satellite network. Used with a connected DPL handset, the A3LA-RM Modem can support voice communications. The A3LA-RM Modem can support AES-256 bit data encryption and can monitor network status to prevent device lock-up.

Key Features:

  • Low-cost
  • Small form-factor
  • Capable of SBD, SMS, Data Switch, RUDICS and voice communication
  • AES-256 bit encryption
  • Lock-up monitoring
  • RS-232 interface
  • Functionally the same as the Iridium 9522B Modem
  • Approx. 60% less volume than the Iridium 9522B Modem
  • Approx. 50% lighter than the Iridium 9522B Modem


  • A3LA-RM-MIL Modem is certified to MIL-STD-810G standards and is IP67 rated

Compatible Airtime Services:

Dial-Up, RUDICS, SBD, SMS, Voice


Dimensions  102 mm x 61 mm x 24 mm (4.0″ x 2.43″ x 0.95″)
Weight  198 g (7.0 oz)
Input Voltage: 4.0V to 5.4V or 5.0V to 32.0V
Avg. Current: 400mA @ 5V Input
I/O Interface: 25-Pin D-Sub, SIM Reader
Status Display: Three LEDs
Antenna Interface: TNC 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



451-93156-002B A3LA-RM User Guide

451-93156-014A A3LA-RM Quick Start Guide

SatTerm v9.1.1 Setup

Server for Trackers 8.6.5

A3LA-RM Firmware v1.2.2


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