Skip to Main Content
KDDI
Close

KDDI Inmarsat Service List
 
Communications Capability (Type of telecommunications equipment that can be used)
DATA communication speed (FAX communication speed)
Marine-use Model
Portable Land use Model
Features
Antenna
Weight
Terminal
Weight
Inmarsat-A
Voice telephone, Telex, Facsimile, Data transmission
Approx 4800bps
(Approx 4800bps)
listmarsat-A/B Marine-use Model Antenna
Approx. 120 kg
20 kg - 30 kg
For use with conventional analog communications.
Inmarsat-B
Voice telephone, Telex, Facsimile, Data transmission
Max 64kbps
(9600bps)
Approx. 100 kg
listmarsat-B Portable Land use Model Terminal
20 kg - 30 kg
As the successor to "A", "B" adopts a digital telecommunications system, and features more economical telecommunications rates.
Inmarsat-F77
Voice telephone, Facsimile, Data transmission
Max 64 or 128kbps
(9600bps)
listmarsat-Fleet Marine-use Model Antenna
Approx. 70kg
More compact than A/B, adopts a digital telecommunications system. Subscribers can also enjoy High Speed 64Kbps Data.
Inmarsat-F55
Voice telephone, Facsimile, Data transmission
Max 64kbps
(9600bps)
Inmarsat-F55 Marine-use Model Antenna
Approx. 15kg
"F55" is smaller than "M" and Subscribers can also enjoy High Speed 64Kbps Data
Inmarsat-F33
Voice telephone, Facsimile, Data transmission
Max 64kbps
(9600bps)
Inmarsat-F33 Marine-use Model Antenna
Approx. 8kg
With equipment that is about the same size as a Mini-M terminal, Subscribers can also enjoy Max.64Kbps Packet Data
Inmarsat-M
Voice telephone, Facsimile, Data transmission
Max 2400bps
(2400bps)
listmarsat-M Marine-use Model Antenna
Approx. 25 kg
listmarsat-M Marine-use Model Antenna
Approx. 13 kg
As in the case of "B", "M" also uses a digital telecommunications system and features a compact antenna.
Inmarsat-Mini-M
Voice telephone, Facsimile, Data transmission
Max 2400bps
(2400bps)
listmarsat-Mini-M Marine-use Model Antenna
Approx. 7 kg
listmarsat-Mini-M Marine-use Model Antenna
Approx. 2.3 kg
"Mini-M" is smaller than "M" and the size or the shape of Portable Land use model is like a notebook PC. It is able to provide voice telephone communications.
Inmarsat-M4
Voice telephone, Facsimile, Data transmission
Max 64kbps
(2400bps)
listmarsat-M4 Marine-use Model Antenna
Approx. 4.8 kg
With equipment that is about the same size as a Mini-M terminal, Subscribers can also enjoy High Speed 64Kbps Data
Inmarsat-C
Telex (Facsimile) [1], Data transmission, Internet E-Mail
"Store & Forward" Method (Minimum of 5 - 10 minutes required From time of transmission until reception.)
listmarsat-C Marine-use Model Antenna
Approx. 10 kg
listmarsat-C Marine-use Model Antenna
Approx. 5 kg
Though unable to provide voice telephone communications, "C" features a more compact antenna than "M" and the most economical rates.

[1]  From Inmarsat-C mobile terminals, it is possible to transmit a message (alphanumerical characters) to a land-based facsimile terminal; however, it is not possible to transmit a facsimile from a facsimile terminal to an Inmarsat-C terminal.
Designing The Future Copyright © KDDI CORPORATION. All Rights Reserved.