Videx GSM4K/4G - ART. 434 GSM ANTENNA & ART. 434 BLOCK ANTENNA; ANTENNA PARTS; IMPORTANT NOTE: AN ANTENNA MUST ALWAYS BE FITTED...

66250754-4G-EN - V2.0 - 28/03/22
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4000 Series GSM Audio Intercom - Technical Manual
4000 Series GSM Audio Intercom with Proximity
System Components and Available Versions
ART. 434 GSM ANTENNA & ART. 434 BLOCK ANTENNA
The Art.434 GSM antenna, Fig.5, connects to the SMA female bulkhead connection on the rear of the 4G GSM module, see Fig.5 inset.
A GSM antenna with an SMA male connector should be used. Also available to use with both the GSM4K/4G and GSM4KCR/4G series
audiokits is the Art.434 block antenna, Fig.5 inset.
Art.434 antenna
A
C C DB
H I J
F
G
G
E
Use the SMA female bulkhead
antenna connection on the rear of
the Art.4810-n/4G GSM module
main
24.7
49.5
117
107.5
38
Art.434
block antenna
Fig. 5
ANTENNA PARTS
“B” type GSM antenna. Antenna mounting clamp for L bracket.
Right angled SMA adapter. Fixing support holes for “B” type antenna.
Self-threading screw (Ø2.9x6.5mm) for “B” type antenna. Expansion type wall plugs (Ø6mm).
SMA male antenna connector. Aluminium L bracket for wall mounting.
3m antenna cable. Self-threading screw (Ø4x30mm).
IMPORTANT NOTE: AN ANTENNA MUST ALWAYS BE FITTED FOR THE GSM MODULE TO WORK. ALWAYS ROUTE THE GSM
ANTENNA CABLE AWAY FROM THE MICROPHONE WIRES AND THE POWER SUPPLY WIRES TO AVOID INTERFERENCE ON
THE SPEECH CHANNELS.
IN INSTANCES WHERE THERE IS A TIGHT FITTING SPACE FOR THE SMA MALE CONNECTOR ON THE ANTENNA CABLE, THE
RIGHT ANGLED SMA ADAPTER, FIG.5
, CAN BE USED TO HELP REROUTE THE CABLE DOWN THE BACK SIDE OF THE
GSM MODULE.