Invisible systems QC0153, Operational Manual

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Invisible Systems Limited P a g e | 15
7 ‐ 9 Beetham Road, Milnthorpe Cumbria, LA7 7QL, Phone: 01539 722 520
Email: info@invisible ‐ systems.com
QC0153 GSM Signal Analyser
RESULTS (continued)
Detailed View – available only in Engineer Mode
From the Results menu, press the up arrow to toggle between detailed view and summary view
screens:
R E S U L T
◄► I n d e x : 3
d B m : - 7 3
A R F C N : 7 1 7
C E L L : 4 5 7 2 3
M M C : 2 3 4
L A C : 4 2 1 M N C : 3 0
S I M : N o t F i t t e d
R E S U L T
◄► I n d e x : 3
S I G : 6 0 %
G S M 1 8 0 0
3
C E L L : 4 5 7 2
U K T - M o b i l e
S I M : N o t F i t t e d
Detailed
View
Summary
View
INDEX During the survey, each detected cell is given a number
The cell with the strongest signal is given number 1
Higher numbers = lower strength signal
GSM The radio frequency band used by the displayed cell
Radio signals using lower frequencies penetrate better into buildings
ARFCN Absolute Radio Frequency Channel Number
CELL Cellular identification number (decimal) of the cell (GSM)
SIG Signal Strength
Shown as a percentage – 33% and above is useable
LAC Local Area Code – identifies the area in which the cell is situated
SIM Current SIM status
dBm FSSI Signal Strength – scale = decibels ref to 1mW
MCC Mobile Country Code – a 3-digit number = country (234 = UK)
MNC Mobile Network Code – a 2 or 3-digit number = network within the country
(15 = Vodafone UK)