User's Guide

Brama S-C / S-A1 User Guide
© Interlink-U, 2021 Page 24 of 26
7. Glossary of Terms
Term
Definition
2G/3G/4G
2
nd
, 3
rd
, & 4
th
Generation wireless telephone technology which
digitally encrypts calls, video, and messages for a specific
recipient.
AGC
Automatic Gain Control.
AGNSS, A-GNSS
Assisted GNSS
Alert
An inbound call, message, or event to an ARC.
APN
Access Point Name
ARC
Alarm Receiving Center – a 24/7 communications center that answers
calls from lone worker devices and responds as required.
BS8484
A British Standard on the provision of lone worker services and
devices.
Bluetooth
A wireless technology standard for exchanging data between fixed and
mobile devices over short distances using short-wavelength UHF radio
waves.
Check In
An alert left at the ARC detailing the user’s current location, situation,
and status in order to aid the operator in dealing with any
subsequent alerts.
CLI
Caller Line Identification often known as Caller ID
COTS
Commercial Off the Shelf
Device Check
A function completed on the Brama device which allows battery life,
GNSS fix, Cellular signal, local Wifi access points and (in range)
Bluetooth Beacons to be sent to an ARC.
EDGE
Enhanced Data rates for GSM Evolution – allows improved data
transmission rates over the GSM network.
Event Log
Record of specific data recorded and time stamped. This includes GNSS
location fix data and Device checks.
Geo-fence
A virtual boundary i.e. one based on location rather than a physical
fence, wall etc. A geo-fence is usually defined as a radius about a fixed
point defined by latitude and longitude coordinates.
GNSS
Global Navigation Satellite System such as GPS, Glonass, and similar.
GPRS
General Packet Radio Service – a more reliable and faster means of
sending data over the GSM network than SMS messaging.
GPS
See GNSS
GSM
Global System for Mobile Communications – a standard for cellular
mobile communications, as used today for most mobile phones.