VisionComms
911 West 5th Street
PO Box 880
Washington, NC 27889
1-800-763-0700
1-252-946-6521
National Sales Director
Ed Smith
1-800-763-0700 x2275
esmith@vthackney.com
| Bandwidth | A rate of data transfer measured in bits per second (bps) |
| B-GAN | Broadband Global Area Network- it’s a small satellite dish. When connected it gives the customer voice, video and data transmittal capability. |
| Codec | Compressor-Decompressor. A codec encodes a data stream or signal for transmission, storage or encryption, or decodes it for playback or editing. Codecs are used in videoconferencing, streaming media and video editing applications. |
| DSL | Digital Subscriber Line |
Encrypted |
To alter (a file, for example) using a secret code so as to be unintelligible to unauthorized parties |
| First Responder | A local or regional response team that receives the initial call to an incident. |
| FXS & FXO | Method to connect an analog phone or PSTN network to a VoIP system |
| GUI | Graphical User Interface |
| Hotspot | Within range of a WiFi signal |
| IP | Internet Protocol |
| Interoperability | A property of a product or system, whose interfaces are completely understood, to work with other products or systems, present or future, without any restricted access or implementation. |
| kbps | Kilobits per second |
| LAN | Local Area Network. Is a computer network that connects computers and devices in a limited geographical area such as home, school or office building. |
| LCD | Liquid Crystal Diode |
| Mbps | Megabits per second |
| MCC400 | Mobile Command & Communications Network System |
| MCS100 | Man-Portable Communications System |
| PBX | Private Branch Exchange- a private telephone network with a company. The users of the PBX phone system share a number of outside lines for making calls. |
| PSTN | Public Switched Telephone Network |
| P25 | Project 25 or APCO -25. Is a suite of standards for digital radio communications for use by federal, state/province and local public safety agencies in North America to enable them to communicate with other agencies and mutual aid response teams in emergencies. |
| QoS | Quality of Service. Quality of service is the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow. |
| Radio | (Two-way). A device that can both transmit and receive (a transceiver), unlike a broadcast receiver which only receives content |
| Radio Gateway | A device that enables different radio frequencies to be linked for interoperable communications across all radio frequencies |
| Resilient | Ability to communicate when all other systems are disrupted |
| RU | Rack Unit – used to measure how much space will be consumed in a given rack space |
| SIP | Session Initiation Protocol - a standard to make a voice call over the Internet |
| TCS400 | Transportable Communications System |
| Throughput | Average rate of successful message delivery over a communication channel |
| SoS | System of Systems or a singular operating system made up of multiple integrated systems |
| UHF | Ultra-High Frequency |
| VHF | Very High Frequency |
| VAC | Volts – Alternating – Current |
| VDC | Volts – Direct - Current |
| VoIP | Voice over Internet Provider or over the internet |
| VSAT | Very Small Aperture Terminal- a VSAT is a small size telecommunications earth station that transmits and receives Voice, Video and Data via a satellite. |
| WAN | Wide Area Network. Is a computer network that covers a broad area. |
| WiFi | Wireless Fidelity. A Wi-Fi enabled device such as a personal computer, video game console, smartphone or digital audio player can connect to the Internet when within range of a wireless network connected to the Internet. |
| 3G | 3rd Generation. Is a generation of standards for mobile phones and mobile telecommunication services fulfilling specifications by the International Telecommunication Union. Application services include wide-area wireless voice telephone, mobile internet access, video calls and mobile TV, all in a mobile environment. |
| 4G | 4rd Generation. 4G stands for the fourth generation of cellular wireless standards. Speed requirements for 4G service set the peak download speed at 100 Mbit/s for high mobility communication |
| 802.11 a/b/g | aka WiFi. Is a set of standards carrying out wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz frequency bands |
| 802.11 G4.9 | Is a standard that uses a particular frequency designated to emergency responders (4.9 GHz) |