Supported OBD2 devices
NoteDri directly tests every adapter on a real car, not just relying on manufacturer specs. Below are the continuously updated results.
Konnwei lineup - tested, recommended
NoteDri has directly tested these on a real car and now recommends the Konnwei lineup as our current focus. Detailed specs are sourced from the official konnwei.com product pages.
Konnwei KW902
ELM327 Bluetooth 5.2
View official product page- Connection
- Bluetooth 5.2 - Android & iOS
- OBD2 protocol
- SAE J1850 PWM/VPW, ISO 9141-2, ISO 14230-4 (KWP2000), ISO 15765-4 (CAN) 11/29-bit, 500/250 Kbaud
- Power consumption
- Automatically enters sleep mode after 30 minutes of inactivity
- Design
- Compact, plug and play
Konnwei KW905
ELM327 Bluetooth 5.2
View official product page- Connection
- Bluetooth 5.2 - Android & iOS
- OBD2 protocol
- 9 OBD2 protocols: SAE J1850 PWM/VPW, ISO 9141-2, ISO 14230-4 (KWP2000), ISO 15765-4 (CAN) 11/29-bit, 500/250 Kbaud
- Readable parameters
- 15 readable parameters: RPM, speed, coolant temperature, fuel pressure, throttle position, intake air temperature...
- Power consumption
- Automatically enters sleep mode after 30 minutes of inactivity
Konnwei KW906
ELM327 Bluetooth 5.2
View official product page- Connection
- Bluetooth 5.2 - Android & iOS
- OBD2 protocol
- Full OBD2 protocol support: J1850 VPW, J1850 PWM, ISO 9141-2, KWP2000, CAN
- Readable parameters
- 15+ readable parameters: vehicle speed, RPM, coolant temperature, fuel consumption, throttle position...
- Power consumption
- Automatically enters sleep mode after 30 minutes of inactivity
Konnwei spec details are sourced from the official product pages at konnwei.com.
Vgate iCar Pro - our first tested device
The first device NoteDri tested, still working reliably - no longer our current focus, but if you already own one it works fine as before.
Vgate iCar Pro
Bluetooth 4.0 (BLE)
View official product page- Connection
- Bluetooth 4.0 (BLE) - Android & iOS
- OBD2 protocol
- SAE J1850 PWM/VPW, ISO 9141-2, ISO 14230-4 (KWP2000), ISO 15765-4 (CAN)
- Command standard
- ELM327 compatible
- Power consumption
- Auto-sleeps/wakes with the ECU - virtually no battery drain
- Operating temperature
- -40°C ~ 85°C
Comparison table
| Device | Connection | OBD2 protocol | Android | iOS |
|---|---|---|---|---|
Konnwei KW902
|
Bluetooth 5.2 | J1850 PWM/VPW, ISO 9141-2, KWP2000, CAN | ||
Konnwei KW905
|
Bluetooth 5.2 | 9 OBD2 protocols per manufacturer spec | ||
Konnwei KW906
|
Bluetooth 5.2 | J1850 PWM/VPW, ISO 9141-2, KWP2000, CAN | ||
Vgate iCar Pro
|
Bluetooth 4.0 (BLE) | J1850 PWM/VPW, ISO 9141-2, KWP2000, CAN |
All devices in this table have been plugged in and tested by NoteDri on a real car. Connection/protocol specs are sourced from the official product pages at konnwei.com and vgatemall.com.
Connect the device to your vehicle
Plug the adapter into the 16-pin OBD2 port, usually under the dashboard near the steering wheel. Then turn on Bluetooth on your phone to get ready to connect.
Read the full articleBuy genuine OBD2 devices
Konnwei KW905 & KW906
Buy a diagnostic device combo bundled with lifetime PREMIUM worth 129,000₫ plus thousands of other perks.
Buy genuine OBD2 devices
Konnwei KW905 & KW906
PREMIUM COMBOBuy a diagnostic device combo bundled with lifetime PREMIUM worth 129,000₫ plus thousands of other perks.
Learn about OBD2 connection
See how to connect, what data is read, and common questions about the OBD2 feature on NoteDri.
View the OBD2 intro page