- Downlink
- Link from Satellite to earth Station
- DSL
- Digital Subscriber Line. Equivalent of a high quality internet access
- Equatorial Orbit
- An orbit in the same plane as the equator. Orbit time depends onthe distance to earth
- Fi2
- Fiber 2.0
- FSS
- Fixed Satellite Services
- FTTH
- Fiber to the home
- Gbps
- Gigabit per second, or 1,000,000,000 binary unit in one second
- GEO
- Geostationary Earth Orbit
- Gimballed Antenna
- The steerable antenna mounted to the satellite and manufactured by MDA for Thales Alenia Space.
- HSDPA
- High-Speed Downlink Packet Access. A third generation mobile telephony data transfer methodology
- IP
- Internet Protocol
- ISP
- Internet Service Provider
- ITU
- International Telecommunications Union
- Ka band
- Frequencies around 17 - 30 GHz with 2,800 MHz of bandwidth available which can be reused many times over by different spot beams
- Latency
- The time delay between data leaving the satellite and reaching the ground network or vice versa.
- LSC
- Launch Services Contract signed between O3b America LLC and Arianespace
- LTE
- Long Term Evolution. Cellular 4th generation technologies
- Mbps
- Mega bits per second
- MEO
- Medium Earth Orbit
- MHz
- Mega Hertz
- Modem
- Modulator and Demodulator taken together
- Ms
- Expression for a unit of time for milliseconds
- MSA
- Master Services Agreement, the agreement between O3b and its customers for take-or-pay leasing of capacity
- OC-12
- A bandwidth of 622.08 Mbps of capacity. Now available on satellite technology through O3b Networks
- PCD
- Project Completion Date
- PLCR
- Project Life Cover Ratio
- RF
- Radio Frequency – The O3b system operates at Ka band in the RF spectrum.
- RfP
- Request for Proposal
- SCC
- Satellite Control Center
- SCPC
- Single Channel per Carrier
- TDMA
- Time Division Multiple Access - Channel shared by multiple users on a time slot basis
- TT&C
- Tracking, Telemetry and Command
- TWTA
- Traveling Wave Tube Amplifier
- Uplink
- Link from Earth Station to Satellite
- VPN
- Virtual Private Network – system to secure and encrypt private network monitoring and control information for communications over the internet.
