Continental Automotive GmbH 5WK49182 Manual De Usuario

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SIEMENS VDO Automotive AG  
 
SV C BC P2 RF TG 
IC: 267T-5WK49182          FCC ID:KR55WK49182 
 
File: I:\POSTZULA\Suzuki\Technical Documentation\Functional_description_Gasoline.doc 
Page 3 of 4 
Variants
 
type designation 
remarks 
5WK49182 
immobilizer antenna with LED assembled 
5WK49181 
immobilizer antenna without LED assembled 
 
Both variants use the same pcb, schematic and layout. They differ only in the assem-
bly of the illumination LED ring which does NOT influence the RF characteristics of 
the immobilizer. 
 
Technical Data 
 
Carrier frequency: 
125 kHz 
±
 2kHz
 
Carrier field strength: 
< 40dBµA/m @10m
 
Modulation: 
ASK 
Supply voltage: 
12 V 
Battery type: 
Car battery 
Range: 
< 55mm
 
 
Typical usage pattern  
 
50  immobilizer operations in 24 hours with a typical transmission duration of 0.12 
seconds  
 6 seconds transmission duration in 24 hours 
 0.25 seconds transmis-
sion in 1 hour 
 
Transmitter ON 
0.25   
seconds / hour 
Transmitter OFF 
3,599.75 
seconds / hour 
Duty Cycle: T
ON
 / T 
(ON+OFF)  
x 100% = 0.25 / 3,600 x 100 % =0.006 % 
 
NOTE 
Changes or modifications not expressly approved by the manufacturer could void the 
users authority to operate the equipment.