User's Manual

SIEMENS VDO Automotive AG SV C BC P2 RF TG
FCC ID:KR55WK48089 IC:267T-5WK48089
File: D:\Postzula\Kunden\Mb\W221\FunctionalDiscription_W221.doc Page 4 of 4
Technical description
Carrier frequency: 125kHz ± 5kHz
Field strength: <42 dµA/m in 10 m
Modulation: ASK
Supply voltage: 13.5 V
Type of battery: car battery
Range: < 2.0 m
Duty Cycle
20 actuations of immobilizer system within 24 hours with a typical transmission time
of 0,08 seconds. 0.07 seconds / hour.
Transmission time T (on) 0.07 seconds / hour
Off time T (off) 3,599.93 seconds / hour
Duty Cycle: T (on) / T (on+off) x 100% = 0.07 / 3,600 x 100% = 0.002%
Label Design
Europe:
Siemens VDO
5WK4 8079
USA/CAN:
Siemens VDO
5WK48089
FCC ID:KR55WK48089
IC:267T-5WK48089
This device complies with part 15 of
the FCC Rules and RSS-210.
Operation is subject to the following
two conditions: (1) This device may not
cause harmful interference, and (2)
this device must accept interference
received, including interference that
may cause undesired operation.
NOTE:
Changes or modifications not expressly approved by the manufacturer could void the
user's authority to operate the equipment.