Siemens VDO Automotive AG
SV C BC P2 RF
IC: 267T-5WK49383 FCC ID:KR55WK 9383
K:\POSTZULA\Mazda\Key_SKE\Technische_Doku_doc\Func_Description_Mazda-SKE-Transmitter.doc
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5. TECHNICAL DATA
SKE Tx Electrical characteristics
Parameter
Unit
Min.
Typ.
Max.
Supply voltage
V
2.1
3
3.6
Quiescence current
µA
4.5
6
Battery lifetime (10 actuations per day) [/years]
a
2
PASE LF input Carrier Frequency
kHz
122.8
125
126.7
PASE LF input Data Rate
bit/s
3840
3900
3960
PASE LF input Modulation method
ASK
PASE LF input Bit Coding
Manchester (0: high->low)
PASE LF input coil (resonance circuit) sensitivity
@125kHz
µV/n
T
460
PASE LF input overall minimum reception
fieldstrength
nT
pe
ak
-
1.2
3.0
PASE LF input calibrated sensitivity
nT
pe
ak
-
TBD
-
PASE RF output Data Rate -
EU and US system
7'812.5
PASE RF output Data Rate -
Japan system
bit/s
2’000
PASE RF output Modulation method
FSK
PASE RF output Bit Coding
Manchester
PASE RF output Telegram content
(Volvo P1007 like, RipeMD)
SKE Tx Europe (433.92MHz) variants:
Variants
Siemens MLFB
Mazda Number
Europe 2-button Lock-Unlock
5wk4 3401
DF71 675DY
Europe 3-button Lock-Unlock-Trunk
5wk4 3403
GS1D 675DY
Europe 3-button Lock-Unlock-Cancel
5wk4 3404
DF80 675DY
Europe 4-button Lock-Unlock-Trunk-
Cancel
5wk4 9384
GS1E 675DY
Parameter (@+22.5°C)
Unit
Min.
Typ.
Max.
Center frequency
MHz
433.820 433.920 434.020
Frequency shift
kHz
±
20
±
35
±
50
RF-Power (EIRP typ.)
mW
< 10
