GNSS/HSM Carrier Board

An automotive-grade GNSS and HSM carrier board for VTX-201, PCB-201 features extensive connectivity to enable direct variable V2X system development.

Also, keeps the flexibility to easily customize the carrier board to create unique value.

Module-structure seeds Innovation

Mounting VTX-201 on PCB-201 provides all V2X elements of On-Board Unit. Module-structure provides flexibility to customize PCB-201, no impact on existing V2X software, services, and RF performance of VTX-201 sub-system.

Carrier Board

Carrier Board
GNSS, hardware security, extensive connectivity
GNSS Positioning
GPS/Glonass/Galileo/QZSS constellation
Hardware Security
ECDSA 256 signing, verification, private keys storage
RTC Hot Start
Vbatt supports GNSS RTC hot start
Delay Power-On
Programmable cranking delay power-on
Power Supply
DC 6-32V power-in
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)


DSRC Performance
1.5m accuracy (CEP50 with SBAS), 10Hz refresh rate
Security Performance
< 50ms signing latency in ECDSA 256 bits verification
ESD Protection
Robust ± 8KV (contact) and ± 15KV (air) ESD


Extensive Connectivity
Ethernet, CAN, RS232, audio-out, microSD
External GNSS
RS232 supports external GNSS
Learn more
GNSS Antenna
Optional on-board MMCX connector valid
Dual Power-In
4-pin or round jack
Optional Power-Out
4-pin DC 1.6A/5V
Data Storage
Variable PCB-201
Schematics/Gerber by project
RS-232 (Female)
Learn more
CAN1 (Male)
Learn more
CAN2 (Male)
Learn more
4-pin Power Input
Learn more
9-pin GPIO Headers (on-board JP14)
Learn more

Module-structured design concept of Unex's V2X solution enables companies to flexibly customize PCB-201 and smoothly migrate to create unique value, no impact on existing V2X software, services, and RF performance of VTX-201 sub-system to speed V2X innovation through co-creation with Unex. The typical options are as follows:

New SKU to remove GNSS and/or HSM modules.
Painlessly customize PCB-201 with schematics/Gerber by project base to provide unique I/O connectors.
Flexibility to deploy external GNSS through RS-232 and antenna through on-board MMCX connector.
Flexibility to enable external LED signal on reserved seven GPIO and one SPI on-board.

Main Chipset
Telit SL869, Infineon SLE97
GPS, Glonass, Galileo, QZSS
GNSS Refresh Rate
GNSS sensitivity
GNSS NMEA Standard
NMEA 0183
GNSS accuracy
1.5m accuracy (CEP50 with SBAS)
GNSS Antenna Connector
Fakra type C DIP connector,
optional on-board MMCX
ECDSA Signing (<50ms)
ECDSA 256-bit verification
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
Power Supply
4-pin or round jack
Operation Voltage
DC 6-32 V ± 5%
Operation Range
ambient: -40°C ~ +85°C
(Infineon SLE97 -20°C ~ +85°C)
72.6 mm (L) x 71.5mm (W)

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