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Siemens VDO Automotive AG SV I IC PE RF Design

IC:267T-5WK47899 FCC ID:KR55WK47899

Page 1 of 5

File:K:\POSTZULA\z1_Projekte\B_Abgeschlossen\Abgeschlossene_Projekte_(2005_2007)\FORD\CW170neu\technische_doku_doc\v2_315MHz\Func_CW

170_5WK47899_v2.doc

User Manual / Functional Description

of the

Siemens VDO

Radio Frequency Transmitter

type

5WK4 7899

5WK4 8025

Summary of content (4 pages)

PAGE 1
Siemens VDO Automotive AG SV I IC PE RF Design IC:267T-5WK47899 FCC ID:KR55WK47899 User Manual / Functional Description of the Siemens VDO Radio Frequency Transmitter type 5WK4 7899 5WK4 8025 Page 1 of 5 File:K:\POSTZULA\z1_Projekte\B_Abgeschlossen\Abgeschlossene_Projekte_(2005_2007)\FORD\CW170neu\technische_doku_doc\v2_315MHz\Func_CW 170_5WK47899_v2.
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Siemens VDO Automotive AG SV I IC PE RF Design IC:267T-5WK47899 FCC ID:KR55WK47899 1. SYSTEM OVERVIEW The transmitter key consists of the fork (fork-shaped plastic component with a steel shank and the slide-in module with a hole for the key ring, and three buttons). The shank location is described below as "front", and the side of the slide-in module which contains the buttons, is described as "top". The key ring hole is thus located on the back on the left.
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Siemens VDO Automotive AG SV I IC PE RF Design IC:267T-5WK47899 FCC ID:KR55WK47899 3. TECHNICAL DESCRIPTION Temperature range, storage : Temperature range, operation: Service voltage: -40... +85 °C -20... +65 °C 2.0... 3.4 V Carrier frequency: Output power, unmodulated: Oscillator build-up time: Data transmission rate: Modulation: 315.00 ± 100 kHz < 75.6 dBµV/m < 80 µs 2000 Bd OOK (ASK) Telegram length: No. of telegrams: Bit coding: Telegram: 100 ms (52 ms data, 48 ms pause) 4...
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Siemens VDO Automotive AG SV I IC PE RF Design IC:267T-5WK47899 FCC ID:KR55WK47899 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Canada: Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Page 5 of 5 File:K:\POSTZULA\z1_Projekte\B_Ab