- 4G
- GMDSS
- AM
- AMSC
- Analog Data
- Analog-to_Digital Conversion
- Antenna
- Apogee
- Asynchronous Transmission
- Attenuation
- Availability
- Azimuth
- Backbone
- Backhaul
- Bandwidth
- Baud
- BGAN
- BGAN HDR
- BGAN Link
- BGAN M2M
- Bi-Directional Operation
- Binary Phase Shift Keying (BPSK)
- Bit Error Rate
- Broadband
- Broadcasting
- BUC
- Business Continuity
- Byte
- C-band
- Call
- Carrier
- Certus
- Circuit mode
- Clarke Orbit
- Codec
- Compression
- Compression
- Compression Ratio
- Conus
- DAMA
- Data
- Data Encryption Standard (DES)
- dB
- Declination
- Delay
- Demand Assigned Multiple Access (DAMA)
- Demodulation
- Digital data
- Digital voice
- Direct Broadcast Satellite (DBS)
- Distance Learning
- Downlink
- DVB
- Earth Station
- Earth Station
- Earth Station
- Earth Stations
- Echo suppression
- Edge of Coverage
- EIRP
- Electronic access
- Electronic Data Interchange (EDI)
- Elevation
- Elevation
- Encrypt
- Encryption
- Equatorial Orbit
- First Responder
- Fleet One
- FleetBroadband (FB)
- FleetPhone
- FM
- Frame Relay
- Frequency
- FTP
- Full-Duplex
- Full-duplex operation
- Gain
- GAN
- Gateway
- Geostationary
- Geosynchronous Orbit (GSO)
- gHz
- Global Beam
- Global Maritime Distress and Safety System
- Global Xpress
- Globalstar
- GMDSS
- GPS
- Ground Station
- GSM
- H.M.S. Telecom, LLC
- Half-duplex operation
- Hertz (Hz)
- High Power Amplifier (HPA)
- HMSTELCOM
- HTTP
- Hub
- Hybrid satellite
- IIoT
- Inmarsat
- Inmarsat-A
- Inmarsat-B
- Inmarsat-B HSD
- Inmarsat C
- Inmarsat D, D+
- Inmarsat E
- Inmarsat Fleet-33
- Inmarsat Fleet-55
- Inmarsat mini-M
- Integrated Services Digital Network (ISDN)
- Internet
- Internetworking
- Intranet
- IoT
- IP
- IRD
- Iridium
- Iridium 9555
- Iridium Certus™
- Iridium Edge®
- Iridium Extreme®
- Iridium Extreme® PTT
- Iridium GO!®
- Iridium GO! exec™
- Iridium NEXT
- Iridium Pilot®
- Iridium Pilot® Land Station
- IsatData Pro
- IsatHub
- IsatM2M
- IsatPhone 2
- IsatPhone Link
- IsoTropic Networks
- ISP
- ITU
- k/bs
- Ka-band
- Kilohertz (kHz)
- Ku-band
- L-Band
- LEO
- LNA
- LNB
- Local Area Network (LAN)
- LTE
- M2M
- Marine VSAT
- Megahertz (MHz)
- MEO
- Microwave
- Modem
- Modulation
- MPEG
- MSS
- Multiplex
- Multiplexing
- Multipoint Network
- Narrowcasting
- NOC
- ODU
- On-line
- Outage
- Packet
- Packet mode
- PBX
- Point-to-Point
- Pointing Angle
- Privacy Policy
- Protocol
- PTT
- Public Switched Telephone Network (PSTN)
- Quadrature Phase Shift Keying (QPSK)
- Radio Frequency Interference (RFI)
- Rain Outage
- Remote Monitoring
- RFID
- S.C.A.D.A.
- Satellite
- SBD
- SCADA
- Shared hub
- Signal-to-Noise Ratio (S/N)
- Simplex operation
- Smart Grid
- SMS
- Solid State Power Amplifier (SSPA)
- Spectrum
- Spot Beam
- Spot beams
- Swift 64
- SwiftBroadband (SB)
- Synchronous transmission
- T1
- T3 Channel (DS-3)
- Telecommunications
- Telemetry, Tracking and Control (TT&C)
- Telephone
- Teleport
- Television Receive Only (TVRO)
- Terrestrial
- Thuraya
- Time Division Multiple Access (TDMA)
- Transceiver
- Transponder
- Ultra High Frequency (UHF)
- Uplink
- Very High Frequency (VHF)
- Very Small Aperture Terminal (VSAT)
- Video Surveillance
- Video Transmission Services (VTS)
- Virtual Circuit
- Virtual PBX
- Virtual Private Network (VPN)
- VoIP
- VSAT
- VSAT (Very Small Aperture Terminal)
- WAN
- WiFi