Iridium 9603


One-fourth the volume and half the footprint of the Iridium 9602, the innovative Iridium 9603 transceiver combines the global coverage of the Iridium satellite constellation with the low latency of the Iridium Short Burst Data Service to provide highly reliable satellite communications from pole to pole.

With the smallest form factor of any commercial satellite transceiver available today, the Iridium 9603 is ideal for space-constrained applications including monitoring, tracking and alarm systems. It is also highly affordable, costing just slightly more than the previous-generation Iridium 9602.

Delivering two-way communications on a remarkable scale, the Iridium 9603 transceiver further expands the Iridium connected user base worldwide.

Technical Specifications & Features


  • Length: 31.5 mm
  • Width: 29.6 mm
  • Depth: 8.1 mm
  • Weight: 11.4 g


  • Operating temperature range: -40ºC to +85ºC
  • Operating humidity range: _ 75% RH
  • Storage temperature range: -40ºC to +85ºC
  • Storage humidity range: _ 93 % RH

RF Interface

  • Frequency range: 1616 to 1626.5 MHz
  • Duplexing method: TDD (Time Domain Duplex)
  • Input/output impedance: 50_
  • Multiplexing method: TDMA/FDMA


  • Supply input voltage range: 5.0V +/- .5V DC
  • Supply input voltage ripple: <40mV pp
  • Idle Current (peak): 156mA
  • Idle Current (average): 34mA
  • Transmit Current (peak): 1.3A
  • Transmit Current (average): 145mA
  • Receive Current (peak): 156mA
  • Receive Current (average): 39mA
  • SBD message transfer – average current: 158mA
  • SBD message transfer – average power: <= 0.8 W


Size Last Updated
2.65 MB
Apr 18, 2018
654.11 KB
Jul 12, 2018
Comparison Chart
Developer Documentation