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 Page 4 of 4
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