ELM327 and compatible


Brand ELM ELM Vgate Vgate Vgate Vgate HiGold HiGold OBDLink
Series ELM327 ELM327 iCar-1 iCar-2 iCar-3 iCar-Pro HiGold HiGold OBDLink
Model ELM327
PIC
ELM327
ARM
1A
1A
1W
2A
2W
 3D
 3E
 3F
Pro S1 S2 SX
LX
MX
MX
Launch
Date
2011.11
2011.12
2014.12 2012.07
2014.01
2012.11
2013.12
2013.12
2014.12
2015.03
2017.02 2017.06 2017.07 2011

Interface
Module

RS232
USB2.0
USB 2.0
Bluetooth2.0

Bluetooth2.0
Bluetooth3.0
WiFi-bgn

Bluetooth3.0
WiFi-bgn

Bluetooth3.0
Bluetooth4.0
WiFi-bgn

Bluetooth3.0
Bluetooth4.0
WiFi-bgn
Bluetooth4.1
WiFi-bgn
combo
Bluetooth4.2
WiFi-bgnei
combo
USB2.0
Bluetooth3.0
Bluetooth3.0
WiFi-bg

MCU
Bits
Operation speed
UART baud rate
Firmware upgrade

PIC18F2480
8bit
4Mips
500Kbps
N/A
ARM
16bit
?
500Kbps
N/A

ARM
16bit
?
?
N/A

ARM
16bit
?
?
N/A

ARM
16bit
?
?
N/A

ARM
16bit
?
?
N/A
STN1110
16bit
40Mips
10Mbps
Yes
STN2120
16bit
70Mips
8Mbps
Yes
STN1110
STN1110
STN2120
STN2120
Yes
ELM327
version
1.5 1.5 1.5 1.5 2.1 2.1 2.2 2.2 2.2
Module max
baud rate
220K
3M
3M
57600
57600
115200
115200
115200
115200
115200

115200
1M
1M
115200
1M
5M
4M
5M
1M
1.5M
1.5M
115200
Module initial
baud rate
9600 9600 38400 38400 38400 38400 38400 38400 38400
LED
indicator
Power red
OBD tx yellow
OBD rx green
Link tx yellow
Link rx green
Power*1
OBD*2
Link*2
Power*1
OBD*1
Link*1
Power*1
OBD*1
Link*1
Power*1
OBD*1
Link*1
       

SSID

  None
CBT/CLK

VGATE
BUYOBD

V-LINK

V-LINK

  HiGold HiGold OBDLink

Bluetooth
pairing

  1234 1234 1234 1234 1234 1234 1234 Auto

WiFi
IP

   

DHCP

DHCP

DHCP

DHCP DHCP DHCP Auto

WiFi
password

   

N/A

N/A

@

N/A N/A N/A N/A

WiFi
HTTP port

   

35000

35000

35000

35000      

Button

N/A N/A

Power
Power
N/A

Wake up

N/A

N/A     Pairing

Sleep
WakeUp

Yes
No
Yes
No

Yes(60min)
No

Yes(30min)
No

Yes(30min)
partial

Yes
Auto
Yes
Auto
Yes
Auto
Yes
Auto

Power
Current
Sleep

12V

15mA
12V


12V


12V
200mA
20mA

12V
200mA
30/mA

12V
200mA
3mA
12V


12V


12V
62mA
2mA

Color

black black

white
chanpaign

white-black
white-blue
white-green
white-orange
black-black
black-blue
black-green
black-orange

blue
red
white
green

black     red
green
black
purple
Net
weight
148g
122g
  31g 17g 16g
16g     32g
Windows Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y Y Y Y
Y
Y
Y
Android N
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y Y Y Y
Y
Y
Y
Symbian N
Y
N
Y
Y
Y
N
Y
Y
Y
Y
Y
Y Y Y N
Y
Y
Y
iOS N
N
N
N
N
N
Y
N
Y
N
Y
Y
Y Y Y N
N
N
Y
SAE J1850
PWM
SAE J1850
VPW
ISO 9141-2
ISO 14230-4
slow
ISO 14230-4
fast
ISO 11898
raw CAN
X X X X X X
ISO 15765-4
CAN 11bit250k
ISO 15765-4
CAN 11bit500k
ISO 15765-4
CAN 29bit250k
ISO 15765-4
CAN 29bit500k
SAE J2411
SWCAN
X X X X X X
X

SAE J2534 X X X X X X X X X
SAE J1708
(J1587)
X X X X X X X X X
SAE J1708
(J1922)
X X X X X X X X X
SAE J2818
(KW1281)
X X X X X X X X X
Warranty 1 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year 3 year
Made in China China China China China China Taiwan Taiwan China