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2. SPOT Satellite Messenger - Wikipedia

   en.wikipedia.org/wiki/SPOT_Satellite_Messenger

   SPOT Gen3 Satellite Messenger. SPOT is a GPS tracking device that uses the Globalstar satellite network [1] to provide text messaging and GPS tracking (depending on the subscription type purchased). [2][3] It has a coverage area that includes a large portion of the planet, with the exception of extreme northern and southern latitudes and parts ...

3. Satellite emergency notification device - Wikipedia

   en.wikipedia.org/wiki/Satellite_emergency...

   Satellite emergency notification device. A Satellite Emergency Notification Device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite system. An example of this device is SPOT. The devices use an internal GPS chip to gather location information.

4. Iridium Communications - Wikipedia

   en.wikipedia.org/wiki/Iridium_Communications

   These devices can send and receive text messages with any cell phone number, email address or another inReach device, as well as to provide location sharing, navigation and direct communication options to emergency services. ZOLEO satellite communicator uses global Iridium network when cellular or Wi-Fi coverage is unavailable.

5. Apple will let you send text messages via satellites in space ...

   www.aol.com/finance/apple-let-send-text-messages...

   Apple's Messages via satellite will let you send texts to friends and family even when you're off the grid. (Apple) (Apple) Tap the notification and you’ll be brought to a screen showing your ...

6. Satellite phone - Wikipedia

   en.wikipedia.org/wiki/Satellite_phone

   Satellite phones provide similar functionality to terrestrial mobile telephones; voice calling, text messaging, and low-bandwidth Internet access are supported through most systems. The advantage of a satellite phone is that it can be used in such regions where local terrestrial communication infrastructures, such as landline and cellular ...

7. Transponder (satellite communications) - Wikipedia

   en.wikipedia.org/wiki/Transponder_(satellite...

   A communications satellite 's transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas. [1] It is mainly used in satellite communication to transfer the received signals. A transponder is typically composed of: an input band-limiting device (an input band-pass filter),

8. Communications satellite - Wikipedia

   en.wikipedia.org/wiki/Communications_satellite

   Satellite phone systems can be accomplished by a number of means. On a large scale, often there will be a local telephone system in an isolated area with a link to the telephone system in a main land area. There are also services that will patch a radio signal to a telephone system. In this example, almost any type of satellite can be used.

9. JREAP - Wikipedia

   en.wikipedia.org/wiki/JREAP

   JREAP takes the message from the format it was originally formatted in and changes the protocol so that the message can be transmitted over Beyond Line-of Sight media. JREAP is the protocol and message structure for the transmission and reception of pre-formatted messages over communications media other than those for which these messages were ...