One-to-Many Satellite Communication for In-Building and In-Vehicle Use






The Icom IC-SAT100M is the dedicated satellite push-to-talk (PTT) radio, and is the only PTT radio offering real-time communications at the push of a button between a group of individuals, each of whom can be anywhere on the planet*. The IC-SAT100M uses the Iridium® satellite communication network, which covers the entire globe, including both poles.

* Subscription contracts are required for using the IC-SAT100M. Depending on the country or region, carrying and/or use of the IC-SAT100/M may be prohibited.

One-to-Many Communication

IC-SAT100M users can immediately start talking to all the radios in the same talkgroup, with just a push of the transmit (PTT) button.

Total Global Coverage, Including the Poles

The Iridium® satellite network covers the entire globe, including both poles, and can provide global communications anywhere on the planet*.

* Subscription contracts are required for using the IC-SAT100M. Depending on the country or region, carrying and/or use of the IC-SAT100/M may be prohibited.

Real-Time Communication

Using 66 Low Earth Orbit (LEO) Iridium® satellites, the IC-SAT100M provides low-latency communication, and broader, more reliable network coverage, compared to Geosynchronous Equatorial Orbit (GEO) satellites.

Interoperability with Conventional Radios


With a VE-PG4 RoIP gateway, the IC-SAT100M can interconnect with an IP phone, WLAN, LTE, IDAS digital*, analog transceivers and other communication systems.

* Type-D multi-site trunking and conventional systems.

Power supply capability over Ethernet from main unit to antenna (with RF unit)

LAN cable (CAT5e) accepts up to 100 m cable connection (from main unit to antenna with RF unit) without any sensitivity loss and thin cable allows easy wiring work

Supplied multi-functional speaker-microphone

Power supply requirement: 13.2 V/26.4 V DC

IP67 waterproofing and dust-tight protection*1

Other Features

  • Voice Recording function
  • Built-in Bluetooth® capability
  • Multiple language display ( English, C hinese, French, Japanese, a nd Spanish)
  • Integrated GPS receiver shows received signal position information on the display
  • 1500 mW powerful audio output
  • Short Data Message
  • AES 256-bit encryption*2

*1 Main unit: IP54, Mic: IP55.
*2 Communication data is scrambled in the Ethernet section to prevent casual eavesdropping.

Installation Examples

In-Building Use

You can flexibly install the radio and the antenna with only a LAN cable (Maximum 100 m, 328 ft).

Mobile Use

By attaching the antenna on the roof, you can use the radio in a vehicle. The IC-SAT100M has Bluetooth® capability, and allows hands-free operation* while driving.

*A third party accessory required.

Advanced System Examples

Low Visibility Installation for Mobile Use

The optional AH-40 antenna provides flexible antenna installation. You can replace the antenna with AH-40, and mount it on the roof instead of the RF unit. When you use a third-party antenna cover, you can cover the AH-40 making it look more discreet.

Advanced System Example with VE-PG4

The VE-PG4 is a versatile RoIP (Radio over IP network) gateway unit, which seamlessly interconnects satellite PTT radios, PMR radios, LTE radios, WLAN radios, IP phone systems, and external devices. In addition to the IP Network (LAN/WAN), the built-in LTE module* provides virtually nationwide communication coverage.

*Service availability depends on the country. Network coverage provided by a custom SIM card.

Q & A

What about communication fees

Communication fees are typically charged at a flat rate through a monthly plan, and there are no additional call charges.* Communication fees differ, depending on the coverage area and the number of the IC-SAT100M.

* Depending on the country or area, a flat charge plan may not apply, or the service may not be available.

What is a “Talkgroup”?

Using SATELLITE PTT, you can communicate with other IC-SAT100M radios assigned to the same Talkgroup. The coverage area of the Talkgroup is selectable from five sizes (see the table above).

How do I assign a coverage area?

The coverage area can be split into different coverage regions, using circles, squares, and rectangles. For example, you can assign coverage areas to Tokyo, New York and London.

Can I change my Talkgroup and/or the region within a coverage area?

Yes, you can flexibly change these settings* on the Iridium® website.

* To change the contents of a contract may require an application in advance.

Can the IC-SAT100M make phone calls?

No, the IC-SAT100M is PTT (Push-To-Talk) use only. Using the optional VE-PG4* RoIP gateway, the IC-SAT100M will be able to communicate with other networks.


Frequency range 1616 MHz to 1626.5 MHz
Dimensions (W×H×D, projections not included) Antenna unit: 76.8 × 200 × 76.8 mm, 3 ×7.9 × 3 in
Main unit: 125 × 29 × 156.5 mm, 4.9 ×1.1 × 6.2 in
Microphone: 59.5 × 134.6 × 30.1 mm, 2.3 × 5.3 × 1.2 in
Weight (approximate) Antenna unit: 500 g, 1.1 lb
Main unit: 950 g, 2.1 lb
Main unit + Microphone: 1200 g, 2.6 lb
Operational temperature range –30°C to +60°C, –22 °F to 140 °F
Audio output power Internal speaker 1500 mW typical (8 Ω load)
External speaker 4 W typical (4 Ω load)
Power supply voltage 13.2 V / 26.4 V DC
Talkgroup 15 groups (Maximum)
Antenna connector SMA (for external antenna)


All stated specifications are subject to change without notice or obligation.

Antenna Comparison

Radio Antenna Connection cable Distance from radio to antenna
IC-SAT100 AH-40 Maximum 1.5 m, 4.9 ft
OPC-2422 optional coaxial cable (5D-HFA) Maximum 6.5 m, 21.3 ft
AH-38 OPC-2113 optional coaxial cable (5D-HFA) Maximum 10 m, 32.8 ft
AH-41 OPC-2422 optional coaxial cable and a third-party coaxial cable (10D-HFA) Maximum 55 m, 180.4 ft
IC-SAT100M Antenna with RF unit LAN cable (CAT5e, theoretical values) Maximum 100 m, 328.1 ft

Applicable U.S. Military Specifications

Icom makes rugged products that have been tested to and passed the following MIL-STD requirements and strict environmental standards.
MIL-810 G
Low Pressure 500.5 I, II
High Temperature 501.5 I, II
Low Temperature 502.5 I, II
Temperature Shock 503.5 I-C
Solar Radiation 505.5 I
Rain Blowing/Drip 506.5 I, III
Humidity 507.5 II
Salt Fog 509.5
Dust Blowing 510.5 I
Immersion 512.5 I*
Vibration 514.6 I
Shock 516.6 I, IV

Also meets equivalent MIL-STD-810 -C, -D, -E and -F.
* Antenna unit only.

IP Rating

Ingress Protection Standard
Dust & Water IP67 (antenna with RF unit), IP55 (mic), IP54 (main unit)


Supplied Accessories

  • Multi-functional speaker-microphone
  • OPC-2435 DC power cable
  • OPC-2102 LAN cable (20 m, 65.6 ft)
  • Mobile bracket
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Catalogs / Brochures

Brochures Name Size
Professional Radios 8.19MB
Marine Products 18.94MB

Instruction Manual / Guides

Additional information

Additional information



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