Arco NAL Iridium™ Tracker

A handheld, global, two-way satellite messaging and personal tracking device

The tracker uses Iridium’s short burst data (SBD) service to provide location information determined by a GPS receiver, two-way inbound and outbound status, text messaging and emergency/alert notifications.


  • Ultra-low power consumption
  • Automatic location reports
  • Guarded Panic Alert Button
  • High resolution touchscreen – Used to access device features
  • Internal rechargeable battery using AC adapter, computer, USB or solar charger
  • Integrated motion sensor
  • 50-channel GPS receiver with -160 dBm sensitivity


The tracker is designed with ultra-low power consumption electronics drawing less than 35uA during sleep. With an internal 1.95 A-Hr rechargeable Li-Ion battery, it can send a position report every hour for up to two months (approximately 1,500 reports). The tracker is equipped with a high-resolution colour touchscreen, supporting the transmission of user-defined messages; canned messages and a combination of user defined and canned messages.

Similar to a smartphone, the menu options are displayed as icons for quick access. The device can periodically wake up from sleep and send its position report to a command centre. A panic button is used for immediate emergency notifications. Data is packaged in either standard or 256-bit AES encrypted format. Data can also be sent in encrypted PECOS formats to include Brevity codes.


Normal and Waypoint Tracking

Programmed to automatically wake up and send a position report at a set interval ranging from continuous to once every seven days. It also sends and/or saves waypoints (interested landmarks) for later retrieval and is available with a GSM option to reduce data transmission costs whilst in cellular coverage.

Emergency Alert

Sends alerts to a designated monitoring centre using a Panic Button. The monitoring centre and the user can then communicate further specifics of the emergency.


The on-screen keyboard allows the transmission of user-defined and canned (pre-defined) messages.


Allows a quick Check-In message to be sent using a single soft

Dimensions 4.1” (L) x 2.3” (W) x 0.9” (D)
Weight 204 grams
Input Voltage 4.0VDC (Range: 2.7VDV to 5.5VDC)
Power Consumption <35uA @ 5.0VDC
Power Input Type External DC power or internal battery

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