Iridium Core 9523 Voice and Data Satellite Transceiver


Additional information


Iridium Core 9523 is Iridium’s smallest, lightest and most advanced voice and data satellite transceiver module ever, enabling simplified global voice and data connectivity through the world’s furthest reaching network.

Over 90% more compact than our previous model and featuring standardized connectors, it easily integrates into new partner products to reach previously under-served consumer and vertical markets – and drive global communications in ways never thought possible.


Pole-to-pole Global Coverage
Ultra Compact Form Factor
Single-board Transceiver
Standardized Connectors
Voice, Circuit Switched Data and RUDICS
Short Burst Data (SBD) Capable
Direct PCB Integration
FCC, Industry Canada, and CE Approval*

Reference Sheet

* For applications using an antenna with a gain of up to 3dbi.


Iridium Voice, SMS, Circuit Switched Data and RUDICS
Maximum Mobile Originated SBD Message Size 1960
Maximum Mobile Terminated SBD Message Size 1890

Mechanical Dimensions

Length: 70.44 mm
Width: 36.04 mm
Height: 14.6 mm (reservoir capacitors) 8.9 mm (screen can)
Weight: 32g

Environmental Specifications

Operating Temperature Range: -30ºC to + 70ºC
Operating Humidity Range: ≤ 75% RH
Storage Temperature Range: -40ºC to + 85ºC
Storage Humidity Range: ≤ 93 % RH

RF Interface

Frequency Range: 1616 MHz to 1626.5 MHz
Duplexing Method: TDD (Time Domain Duplex)
Input/Output Impedance: 50 ohms
Multiplexing Method: TDMA/FDMA

DC Power Input

VBAT Power Input Specifications
Nominal Voltage: +3.7 V
Voltage Limits: +3.2 V to +6 V
Maximal Current: 500 mA
VBAT Typical Current at Nominal: +3.7 V
Standby Current: 70 mA
Calling Current: (Peak) 300 mA
Calling Current: (Average) 110 mA

VBOOST Power Input

Nominal Voltage: +27 V
Absolute Maximal Voltage: +35 V
Maximal Recommended Voltage: +32 V
Minimal Voltage during Call Transmit Burst: +10.5 V
Maximal Current: 1 A

VBOOST Power Consumption

Typical Average Power During Call: 2.3 W
Maximal Average Power During Call: 3.1 W


Iridium Core 9523 Brochure

Iridium Core 9523 Datasheet

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