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OBU-201

OBU-201 V2X On-Board Unit

An automotive-grade V2X On-Board Unit with hardware security and feature rich I/O ports, OBU-201 enables direct V2X protocol stack and application development to meet "Tomorrow's V2X Innovation, Today."



Automotive-grade OBU to seed V2X Innovation

Integration of module-structured DSRC sub-system and GNSS/HSM carrier board in an aluminum enclosure, OBU-201 provides highest application flexibility with feature rich I/O ports to seed V2X innovation.

System

Powerful V2X Platform
Processor, DSRC RF, 128MB DDR3, 32MB NOR
Operation System
ThreadX
GNSS Positioning
GPS/Glonass/Galileo/QZSS constellations
Hardware Security
ECDSA 256 signing, secure private key storage
Power Supply
DC 6-32V power input
GNSS Hot Start
Vbatt. power for GNSS RTC hot start
Delay Power-On
Programmable cranking delay on
Power Management
Idle, ON, and OFF
File Integrity
Safe FAT, 8GB microSD
DSRC Antenna
FAKRA Z x 2
GNSS Antenna
FAKRA C active x 1
Automotive Design
-40°C ~ +85°C (Infineon SLE97: -20°C ~ +85°C)
Development Tool
Autotalks® SDK

Performance

DSRC Performance
Class C spectrum masks: +20dBm RF power at antenna port
Fading Sensitivity
Superior performance in multipath scenarios
Frequency Deviation
Frequency accuracy at ± 6.0ppm in –40°C ~ +85°C
Power Accuracy
Dynamic and accurate power in 4.5dBm ~ 25dBm
GNSS Performance
1.5m accuracy (CEP50 with SBAS), 10Hz refresh rate
Security Performance
< 50ms latency on ECDSA 256-bit signing
ESD Protection
IEC 61000-4-2 Level 4, Contact ±8kV, Air ±15kV

Flexibility

• Feature Rich I/O
Ethernet, CAN, RS232, audio-out, microSD
• External GNSS
RS232 supports external GNSS
• GNSS RF Inputa
on-board MMCX connector, in addition to FAKRA C
Dual Power Input
4-pin or round jack
Data Storage
microSD, 8GB SDHC
V2X Enabling
Enabling V2X on outdoor Wi-Fi AP

Frequency Accuracy

Power Control Accuracy

Class C mask performance at +20dBm from -40°C ~ +85°CM





Consistent EVM performance over a wide 5~22dBm power levels and -40ºC~+85ºC temperature range provide high channel efficiency.

25 degrees C 85 degrees C -40 degrees C
TX2 TX1 TX2 TX1 TX2 TX1
dut1 -28 -28 -29 -27.8 -27.7 -27.5
dut2 -30.5 -27.5 -30 -27 -30 -27.4
dut3 -31.4 -26.3 -30.2 -28.8 -28 -27





RS-232 (Female)
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CAN1 (Male)
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CAN2 (Male)
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4-pin Power Input
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9-pin GPIO Headers (on-board JP14)
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Module-Structure Enables Variable OBUs

OBU-201 is an automotive-grade V2X OBU which integrates VTX-201 DSRC sub-system and PCB-2011 GNSS/HSM carrier board in an aluminum enclosure. Module-structured architecture provides high application flexibility to easily customize PCB-201 carrier board and smoothly migrate to variable OBUs, no impact on existing V2X software, services, and RF performance of VTX-201 sub-system to speed V2X innovation.

Main Chipset
CRATON, PLUTON, SL869, SLE97
Memory
32MB NOR, 128MB DDR3
Operation System
ThreadX RTOS
Development Tool
Autotalks® SDK
DSRC
5.85 ~ 5.925 GHz
802.11p
± 6.0ppm deviation
Class C +20dBm RF power
DSRC Sensitivity
-73 ~ -97dB (typical)
Learn more
Fading Sensitivity
Rural LOS: -92.5dBm
Highway LOS: -91.5dBm
Urban Approaching LOS: -91.5dBm
Crossing NLOS: -89.5dBm
Highway NLOS: -88.5dBm
GNSS
1.5m accuracy (CEP50 with SBAS)
-135dBm sensitivity
NMEA 0183
Security
ECDSA 256-bit signing (<50ms)
private and public keys verification
secure storage of private keys in HSM
External Connector
two CAN 2.0b
one 10/100 Ethernet
one RS-232 console
one audio jack
one reset button
one microSD socket
On-Board Interface
nine GPIO pins
MMCX connector
Antenna
two DSRC FAKRA Z
one GNSS FAKRA C
Operation Voltage
DC 6-32 V ± 5%
Power Consumption
0.29 ~ 0.315A
Learn more
Power Management
Idle, ON. and OFF
Operation Range
ambient: -40°C ~ +85°C
(Infineon SLE97 -20°C ~ +85°C)
Product Dimension
125(L)x109.5(W)x30(H) mm
Power Supply
4-pin or round jack

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