Continental AG I BS PG3 CFRF WM User Manual of the Continental Radio Frequency Transmitter Type T2x Page 1 of 7 I BS PG3 CFRF WM Continental AG 1. GENERAL DESCRIPTION OF THE RF TRANSMITTER The Acura fob is a transmitter designed to provide remote keyless entry, passive entry, passive engine start, and immobilization functionality. The term that Honda uses to describe such a transmitter is a SMART fob. The Acura fob MY18 is initially going to launch in North America on the platform RDX. There are supported different button-variants:
4 Button 3 Button Within the housing is applied an inner container, containing a lower container and container cover which are laser welded. Within the container is placed a PCB, which is the same type for all variants and containing a different number of switches. The fobs are part of a larger system provided to Honda by Continental which allows the customer to:
Remotely lock the doors. Remotely unlock the doors. Remotely open the trunk. Remotely activate the alarm (panic mode). Remotely unlock and lock doors in passive mode (PASE). Start engine in passive mode (PASE). Start the car via fob slot (immobilization). Use mechanical emergency key as back-up. Page 2 of 7 I BS PG3 CFRF WM Continental AG Technical Description The components which constitute the Acura MY18 RDX fob are:
Power Supply Microcontroller User Interfaces LF Antenna (3D-Antenna in one SMD) RF Antennas The PCB is 4 layer Pb-Free FR4 with double-sided component placement. 3. POWER SUPPLY The Power Supply consists of a CR2032 battery with filter capacitors that provide power to the microcontroller. 4. VARIANTS Main Variant T2x Frequency Description differences Number of buttons 433 MHz OEM Acura chromated buttons The difference within a main-variant is only the number of buttons. There is no difference for RF-stage or RF-setup. Page 3 of 7 I BS PG3 CFRF WM Continental AG Variants Matrix:
Button config (second digit) T2x chromated buttons
(Acura) 433 MHz Tx1 Tx2 Tx3 Tx4 Tx5 Tx6 Tx7 Tx8 1-1-1-P T21 2-2-1-P Not used 1b-1b-P Not used 1-1-2-P Not used 1-1-1-x T25 2-2-1-x Not used 1b-1b-x Not used 1-1-2-x Not used Page 4 of 7 Continental AG 5. TECHNICAL DATA The fobs transmit on two RF-channels. Variant T2x Frequency Channel 1: 433,66 MHz Channel 2: 434,18 MHz I BS PG3 CFRF WM Modulation FSK Radiated Power
< 10 mW 6. LABEL DESIGN USA and Canada:
Continental Model: T2x FCC ID:KR5T2X IC:7812D-T2X Owner Manual 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. Le prsent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. Owner Manual USA This device complies with Part 15 of the FCC Rules. 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Page 5 of 7 I BS PG3 CFRF WM Continental AG Page 6 of 7