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Remote keyless entry (RKE)

Products and reference designs
Block diagram

Remote keyless entry (RKE)

Block diagram

Overview

Our integrated circuits and reference designs for automotive remote keyless entry (RKE) modules and key fobs help you create secure, efficient and compact solutions.

Design requirements

Modern RKE designs require:

  • Optimized power and range.
  • Secure relay attack prevention using Bluetooth® Low Energy (BLE).

Block diagram

Find products and reference designs for your system.

RKE keyfob

RKE satellite module

RKE keyfob

3V Coin cell 3VCoincell 2.4GHz/433MHz/315MHz 2.4GHz/433MHz/315MHz Outside of the vehicle Outside of the vehicle RKE satellite module RKE satellite module Body control module (BCM) Body control module (BCM) 2.4GHz/433MHz/315MHz 2.4GHz/433MHz/315MHz MCU not required for BLE RKE MCU not required for BLE RKE RKE satellite module RKE satellite module Rest of the vehicle Rest of the vehicle LIN LIN MCU MCU MCU MCU RF interface RF interface BLE/UHF transceiver BLE/UHF transceiver antenna antenna antenna antenna

Technical documentation

View all 3
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Type Title Date
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 28 Feb 2017
Application note Measuring CC13xx and CC26xx current consumption (Rev. D) PDF | HTML 11 May 2022
Application note 2.4-GHz Inverted F Antenna (Rev. D) 10 May 2022

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