MUNIC C4D-4G4EUAA V8+ User manual

C4D-4G4EUAA_V8+ - INSTALLATION GUIDE
V 1.3
14/06/2022

1
Table of contents
Preface.....................................................................................................................................2
Warnings and notices ..........................................................................................................2
1. Hardware features ...........................................................................................................3
2. Hardware description......................................................................................................4
2.1. External view...............................................................................................................4
2.2. Internal view................................................................................................................4
2.3 OBD connector pin out ............................................................................................4
2.4 OBD adapter wires.....................................................................................................5
3. Preparing/installing the device ....................................................................................6
3.1. Open the device.......................................................................................................6
3.2. Properly close the device................................................................................9
4. LED sequences ................................................................................................................11
5. EU Regulatory...................................................................................................................11
6. Support ..............................................................................................................................12

2
Preface
The information contained in this installation guide is subject to changes in order to improve
the reliability, design or features without prior notice. MUNIC Car Data reserves the right to
make changes in the content without obligation to notify any person or organisation of such
changes or improvements. MUNIC Car Data can in no event be held liable for technical or
editorial errors or omissions herein, nor for incidental, special or consequential damages from
the furnishing, performance, or use of this installation guide.
Please contact our technical support for current updates and supplemental information
concerning the use and operation of this or other MUNIC Car Data products.
Warnings and notices
The exclamation point within an equilateral triangle is intended to alert the user
to the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the product.
Please read the installation guidelines, as well as the safety and operating instructions before
operating your device. Follow all instructions and heed all warnings in the installation guide.
There is a risk of explosion if the battery is replaced by a wrong battery type.
There is a risk of explosion if the battery is disposed into fire or a hot oven, or mechanically
crushed or cut.
There is a risk of explosion or leakage of flammable liquid or gas if the battery is left in an
extremely high temperature surrounding environment or is subjected to extremely low air.
Please discard empty battery according to local regulations.
Dispose of used batteries according to the instructions.
RF Exposure Information (SAR)
This device meets the EU requirement (2014/53/EU Article 3.1a) and the UK Radio Equipment
Regulations (SI 2017 No. 1206) on the limitation of exposure of the general public to
electromagnetic fields by way of health protection.
The device complies with RF specification when the device is used at 20 cm from the Body.

3
1. Hardware features
OBD Dongle
Performance
Processor
ARM Cortex-A7 Dual-Core 1.2GHz
RAM
256 Mbytes
NAND Flash
512 Mbytes
Power supply
External power supply
range
8-18V ⎓2A max*
Internal battery
Li-pol battery 270mAh
Communication
Modem
4G Cat.4 module EC25-EUGB
Bands
4G: B1, B3, B7, B8, B20, B28.
3G: B1, B8.
2G: B3, B8.
Modem antenna
Internal
SIM
MFF2 soldered SIM
Positioning
GNSS receiver
U-blox M8 (GPS, GLONASS)
GNSS antenna
Internal
Interface & Telematics
features
Accelerometer
Accelerometer 3 axis ±2/4/8/16 g
OBD protocols
CAN, ISO9141, J1850 (VPW, PMW)
Buttons
1 reset button
Leds
2 bicolor LED
Environmental
Connectors
OBD connector
Micro USB type B connector
Operating temperature
-20°C/+50°C with Battery
-20°C/+60°C without battery
Dimensions
27.3x51x71 mm
*⎓: direct current

4
2. Hardware description
2.1. External view
2.2. Internal view
1 : OBD connector
2 : micro USB connector
3 : signal bicolor led
4 : power bicolor led
2 : micro USB connector
5 : Modem antenna
6 : GNSS antenna
7 : nano SIM holder*
8 : Internal battery**
* SIM holder can be absent if device have eSIM chip.
** Please read warnings section at the beginning of the installation
guide.
5
7
6
1
3
2
2
4
8

5
2.3 OBD connector pin out
Pin #
Comment
1
OEM specific
2
J1850+ (PWM/VPW)
3
OEM specific
4
Chassis ground
5
Signal ground
6
CAN High
7
K line
8
OEM specific
10
J1850- (PWM)
11
OEM specific
14
CAN low
15
L line
16
Battery voltage
2.4 OBD adapter wires
This adapter is only used to connect the OBD to a computer (laptop/desktop).
Pin #
Wire color
2
Yellow
4
Black
5
Grey
6
Green
7
Blue
10
Violet
14
Orange
15
White
16
Red

6
3. Preparing/installing the device
Those operations may need the use of specific tools like :
-T4 Torx screwdriver for the external screw.
-T6 Torx screwdriver for the internal screw.
-Small slotted screwdriver to remove the cover.
-Thin tweezers to insert/remove the SIM card.
3.1. Open the device
Insert slotted screwdriver between top cover and body to pop-out the top cover on each side and extract it.

7
Remove the screw located on each side of the OBD connector using T4 Torx screwdriver
Remove the screw located on the PCB at the bottom of the device using T6 Torx screwdriver
Move apart the side of the device first and then pull the OBD connector out of the body.
1
2
1

8
Device is now open

9
3.2. Properly close the device
First, insert the main part into the bottom cover. Insert the rear first and take care of the pogo pin of the GNSS
antenna.
Once inserted, push the main part into the back cover until your hear two “clac”
Place the long screw on the rear of the electronic cards in order to fix it to the body using T6 Torx screwdriver.

10
Place the screw on each side of the OBD connector to fix it to the body using T4 Torx screwdriver.
Insert the top cover beginning with the rear.
Finally, push the top cover down until you hear the “clac”.
Device is ready.

11
4. LED sequences
The Dongle has a two-coloured LED, green and red.
Please note that when both LEDs are brightened, you can perceive the colour as orange.
Signal LED (Left)
Power LED (Right)
Sequence
Meaning
Sequence
Meaning
Dongle OFF
OFF
No Modem
/No GNSS
3 times 50ms Green ON/100ms
OFF
3550ms OFF
Ext. Power/Run
Green ON
No Modem
/Fix GNSS
2 times 50ms Green ON/100ms
OFF
3700ms OFF
Modem OK
/No GNSS
50ms Green ON
3950ms OFF
Modem OK
/Fix GNSS
2000ms ON
2000ms OFF
Shutdown/Hibern
ate
30ms Green ON / 1s
OFF
Idle/Sleep
30ms Green ON / 1s
OFF
5. EU Regulatory
We, MUNIC declares that the radio equipment type C4D-4G4EUAA_V8+ are in compliance
with the Directive 2014/53/EU and UK Radio Equipment Regulations SI 2017 No. 1206.
Technology/Band
Mode
Conduct Power (dBm)
GPS
RX
NA
GLONASS
RX
NA
LTE Band 1
QPSK/16QAM
22.29dBm
LTE Band 3
QPSK/16QAM
21.88dBm
LTE Band 7
QPSK/16QAM
21.88dBm
LTE Band 8
QPSK/16QAM
23.04dBm
LTE Band 20
QPSK/16QAM
21.95dBm
LTE Band 28
QPSK/16QAM
21.46dBm
3G Band 1
RMC12.2Kbps
23.78dBm
3G Band 8
RMC12.2Kbps
23.98dBm
GSM 900
GPR
32.64dBm
EDGE
19,47dBm
GSM 1800
GPRS
29.4dBm
EDGE
24.65dBm

12
6. Support
For all questions not related in this installation guide, please contact the support team by
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