MiCODUS MV77G Car Charger User Guide

: June 13, 2024
: MiCODUS

Table of Contents

MV77G Car Charger
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MV77G Car Charger

4G MV77G User Manual V1.0
Learn how to set up your new MiCODUS Tracker

1. Main Features

main feature

2.Specifications

Device Information

| Model| MV77G
---|---|---
Weight| 41g
Dimensions|

85mm(L)49.2mm(W)26mm(H)

Battery|

Built-in 3.7V 50mAh Polymer Battery

Working Parameters

Celluar Specifications

| SIM Card| Nano SIM
Celluar Antenna| Built-in, FPC

Working Frequency

|

2G GSM/GPRS: 850/900/1800/1900MHz

4G LTE CAT1:LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12
/B13/B18/B19/B20/B25/B26/B28/B66;
LTE-TDD: B34/B38/B39/B40/B41

GNSS Specifications

| GNSS|

GPS+GLONASS

GPS Frequency|

L1: 1575.42±1.023MHz

BDS Frequency|

B1:1561.098±2.046MHz

Satellite Channels| 32
Hot/Cold Start|

<1s，<32s @ Open Sky

GNSS Antenna|

Built-in Ceramics GNSS Antenna, 25mm25mm2mm

Positioning Type|

GPS+GLONASS+LBS+AGPS

Accuracy

|

Location accuracy: <10m（1σ）

Timing accuracy: <30ns（1σ）

Speed accuracy: <0.1m/s（1σ）

External Interfaces

| Charging Port USB-A| DC: 5V 2A/9V 2A
Charging Port USB-C| DC: 5V 2A/9V 2A
SOS| Support

3.Product Structure

4.How to manage the tracker to get online?

Please get a suitable SIM card from your local place. The
SIM card must meet below points:

It must be compatible with the 4G LTE or 2G GSM network
Please enable SMS, call, internet data traffic of the SIM card
Remove the PIN code
Enable the caller ID display feature
Use Nano size SIM card for the tracker
Please inquire the SIM card provider for the exact correct APN information

Step 2 SIM card installation

N O T E : Please just stick the cover after you managed to get the
device online!

Step 3 Configure APN

Please get the exact correct APN name from local SIM card provider.Take the tracker
to a good signal place for operation and configure the APN for it as below:

SMS Command
Format| Reply| Example| Note
---|---|---|---
APN,ApnName,User,
Password#| SET APN OK| APN,orange,
orange,orange#|

If the SIM card has APN user and APN
password, then use this command.

APN,ApnName#| SET APN OK| APN,internet#|

If the SIM card operator doesn’t have APN
user and APN password, then please use this
command.

Note: The APN information is very important, it must 100% correct to match with the sim card of
the tracker, if you configured wrong APN, the tracker also will reply “SET APN ok” but it will
can’t get online!

Step 4 Indicator status description

LED	Event	State
POWER LED (RED)	Charging	Solid

CELL LED
(YELLOW)

| Searching for network|

Flash every 1 second

Network has been registered| Solid
Device entered into sleep mode| Dark
Led indicator switch is off| Dark

GPS LED (BLUE)

| GPS is in fixing|

Flash every 1 second

GPS has fixed| Solid
Device entered into sleep mode| Dark
Led indicator switch is off| Dark

5. Package Content

GPS Main Unit x 1
Cover x 2
User Guide x 1
Genuine Packing Box x 1

6. Functions Explanation

a. Data Upload Time Interval Setting

SMS command format: TIMER,T1,T2#

Example: TIMER,5,3600# ( Means the tracker will
upload data to tracking platform every 5 seconds under
moving status and 3600 seconds under static status)

T1 ranges 0/5~18000 or 0(seconds), upload interval when ACC ON, 0 means no
upload, default is 10;
T2 ranges 0/5~18000 (seconds), upload interval when ACC OFF, default is 10;

b. Remote Listen-in Setting

Method 1:

1. Set up a center number(also means main control
number) for the tracker via this command:

SMS command format:
CENTER,A,center number#

For example: CENTER,A,+8613800138000# (This means the center number is
+8613800138000, the tracker will just can be controlled by this number)
NOTE: Please remember to add the country code as prefix with the cellphone number!

2. Switch the device to monitor mode by this command:MONITOR#
3. Call the SIM number of the tracker from the center number, then the tracker will
pick up the call automatically.

Method 2:

1. Set up a center number(also means main control
number) for the tracker via this command:

SMS command format:
CENTER,A,center number#

For example: CENTER,A,+8613800138000# (This means
the center number is +8613800138000, the tracker will just
can be controlled by this number)

2. Use the center number to send this SMS command:
CALLBACK, the voice monitor number#

For example: CALLBACK,+8613366669999# (This means the tracker will make a
call to this number +8613366669999, then this number can pick up the call and
monitor the voice )

C. Vibration Alert Setting

1. Please set up the SOS numbers for the tracker via
this command:

SMS command format: SOS,A,1st number,
2nd number,3rd number#

For example:
SOS,A,+8613800138000,+8613800138001,+861
3800138002#

2. Enable the vibration alarm via this command:

SMS command format: SENALM,A,M#
A=ON/OFF, default: OFF;
M=0/1/2, way of alarming, 0 :GPRS only, 1: SMS+GPRS, 2: GPRS+SMS+phone
call, default:1
For example:
SOS,A,+8613800138000,+8613800138001,+861
3800138002#
For example: SENALM,ON,2# ( Means the vibration alarm already been enabled
and the alarm message will be sent via Server, SMS and Call )

7. Installation Recomendation

The decice should face up to the sky.
Metal therma barrier of heating layer of the windshield affects the signal.

8. Troubleshooting

Type	Use

Unable to connect to
tracking platform|

Check the APN and settings.
Check whether the data service of SIM card is enabled.
Check the balance of SIM card.

Tracker shows offline|

Check whether external power is still connected.
Check if the vehicle entered network blind area.
Check the balance of SIM card.

Unable to locate|

Make sure the top side facing upward without metallic things shielded.
Make sure it’s not in area with no satellite coverage.

Location drift|

In area with poor GNSS signal (tall building around or basement), drifting may happen.
Check whether vibration happens around to trigger the accelerator.

No command reply|

Make sure command format is correct.
Vehicle may be in network blind area.
Make sure SIM card is well inserted and has SMS service.

9. Full SMS Commands List

Query Commands|
---|---
Functions| Command Format| Explanation|
Version Inquiry| VERSION#|

Device Reply Example:
ID:19172906549
IMEI:354188046912460
ICCID:898602A51314F1298017
VERSION:MV77G_V2.0.2 BUILD:2023-03-01 16:31:00

|
Parameter Inquiry| PARAM#|

ID: ID number of the tracker
IMEI: IMEI number of the
APN: APN name,APN user,APN password,
IP: Domain name and port number or IP address,port pumber
TIMER: Moving upload interval; Static upload interval
SPEEDLIMIT: The overspeed threshold
ANGLERPT: Data uploading angle
CENTER: Center number of the tracker
SOS: SOS1,SOS2,SOS3
GMT: Time zone

|
Status Inquiry| STATUS#|

TRAFFIC: ON/OFF
INTERNET: CLOSED (No Network)
FAILED (Connecting Network or Failure) SUCCESS
(Connected to Network）
NET: NONE (No celluar Signal), HIGH / MED / LOW (Signal
Strength) , 18(Signal value)
GPS: CLOSED (GPS Module Closed); FIXED,N (Positioned
and satellite number); UNFIX,0 (Not Positioned yet)
SPEED: The current speed of the tracker
ACC: ON / OFF (ACC on or off)
POWER: CONNECTED / DISCONNECTED (Power
Connected or Disconnected), 12.5V (Vehicle battery voltage)
SENSOR: ON/OFF (Sensor on or off), LEVEL: 3 (Sensitivity
level 1-9)
STATE: ARM (Arm or Disarm)

|
Latitude&Longitude
Inquiry| WHERE#|

LAT:N23.02930,LON:E114.32180,COURSE:0.00,S
PEED:0.00KM/H,DATETIME:2015-05-23 14:39:11

|
Map URL Inquiry| URL#|

http://map.google.com/?q=22.557868,113.935090
<0.0km/h 0.0> <2014-12-12 07:32:13>
IMEI:354188047752402

|
Address Inquiry| POSITION#|

NOTE: Reply message’s language is determined by device’s
language setting, if get position content failed, device will
reply Google Map location link.

|
Alarms Parameters| ALARM#|

ID: ID number of device
STATE: ARM(DISARM)(Defense status of device)
SPEED: ON/OFF(alarm status); 30km/h(alarm
value);alarm way
SHIFT: ON/OFF(alarm status); 300m(alarm
value);alarm way
VIBRATE: ON/OFF(alarm status);3(sensitivity
level);alarm way
ACC: ON/OFF(alarm status); 0/1/2(0: ACC ON, 1:
ACC OFF; 2: ACC ON&OFF) (alarm situation);
alarm way ; ;
POWER DOWN: ON/OFF(alarm status);alarm way
PULL: ON/OFF(alarm status);20s(power-off
time);30(acceleration value);alarm way
LOW VOLTAGE: ON/OFF(alarm status);13.8v(low
voltage limit value); alarm way
NOTE: Alarm Ways: SERVER only, SMS+Server,
Server+SMS+CALL

|
Check IMEI| IMEI#|

DEVICE IMEI No. : 354188046912458

|
Setting Commands

Functions| Command Format| Explanation
Change IMEI| IMEICHG,
354188046912460#|

NEW IMEI No. : 354188046912460

Restore factory settings| FACTORY#|

RESTORE FACTORY SETTINGS O

Restart device| RESTART#|

RESTARTING…1 MINUTE WILL BE OK

APN Setting| APN,Network name
[,name,password]#|

APN,CMNET# (if no name & Password)
APN,internet,internet,internet# (if with name & Password)

Server Setting

| If set with Domain Name:
SERVER,1,Domain,Port#|

SERVER,1,d.micodus.net,7700#

If set with IP:
SERVER,0,IP,Port#|

SERVER,0,47.254.77.28,7700#

Internet Traffic Switch

| TRAFFIC,ON#|

OPEN TRAFFIC OK

TRAFFIC,OFF#|

CLOSE TRAFFIC OK

Time Zone Setting| GMT,Time zone
orientation,Whole Time
Zone[,Half Time Zone]#|

GMT,E,8# (if no half time zone)
GMT,W,9,30# (if has half time zone)
NOTE: Parameter : E / W；0 ~ 12; 0/15/30/45

Set the angle upload

| ANGLEREP,X,A,B#|

Example: ANGLEREP,ON,30,3# ( Means the tracker
will send a data supplement when the angle change
exceeds 30 degrees and lasts for 3 seconds)
X=ON/OFF, default：ON;
A=5～180 degrees, diversion angle degree,
default：30 degrees；
B=2～5 seconds, detecting time, default：3 seconds,

ANGLEREP,OFF#|

CANCEL UPLOAD ANGLE OK

Mileage Statistics

| MILEAGE,A,B#|

Example: MILEAGE,ON,5000# (Means the initial
mileage value is 5000KM)
A=ON/OFF, On/Off mileage calculation, default: Off
B=0～999999，Mileage initial value , unit：km ;
default: 0, mileage return to zero

MILEAGE#|

Query current mileage

Add SOS
Administrator Number| SOS,A,1st number,
2nd number,3rd number#|

Set 3 numbers at a time:
SOS,A,13800138000,13800138001,13800138002#
Set the first numberseparately:
SOS,A,13800138000#
Set the second number separately:
SOS,A,,13800138001#
Means to set 3rd number separately:
SOS,A,,,13800138002#

Delete SOS
Administrator Number| SOS,D,1st number,2nd
number,3rd number# or
SOS,D,1,2,3#|

Directly delete the number:
SOS,D,13800138000#
Delete 1st number:
SOS,D,1#
Delete 2nd number:
SOS,D,2#
Delete the 2nd and 3rd number:
SOS,D,2,3#

Add Center Number| CENTER,A,
center number#|

Example: CENTER,A,+8613800138000#
NOTE: Please remember to add the country code as
prefix with the cellphone number!

Add Center Number| CENTER,A,
center number#|

Example: CENTER,A,+8613800138000#
NOTE: Please remember to add the country code as
prefix with the cellphone number!

Delete Center Number| CENTER,D#|

DEL CENTER OK

Data Upload
Time Interval| TIMER,T1,T2#|

Example: TIMER,5,3600# ( Means the tracker will
upload data to tracking platform every 5 seconds under
moving status and 3600 seconds under static status)
T1 ranges 0/5~18000 or 0(seconds), upload interval
under moving status, 0 means no upload, default is 10;
T2 ranges 0/5~18000 (seconds), upload interval under
static status, default is 10;

Heartbeat Packet
Upload| HBT,time#|

Example: HBT,3# ( Means the tracker will send hearbeat
data package to server very 3min to keep the network
connected )
Time: 1-60min, default 3min

Sensor Sensitivity| LEVEL,A#|

Example: LEVEL,4# ( Means shake sensor level
is set to 4 )
A=1-9
NOTE: 1-9 is from week to strong vibration

Arm manually| ARM#|

Set the device into arm mode

Disarm manually| DISARM#|

Set the device out of arm mode

Auto Arm By ACC| ACCARM,ON,M#|

Example: ACCARM,ON,60# (Means the tracker will
enter into arm status automatically when the ACC off
more than 60 seconds)
Arm Time: M=5-1800s, default: 60s

Voice Monitor Mode| ACCARM,OFF#|

Close auto arm function

Voice Monitor Mode| MONITOR#|

NOTE: 1. Both center number and SOS numbers
can monitor voice;
2. Before monitoring the voice around the device,
the user must change the device to this monitor
mode firstly.

Track Mode| TRACK#|

NOTE: After used the voice monitor mode, user can
switch the device back to track mode by this
command.

Call Back| CALLBACK,
Number for Voice Monitor#|

Example: CALLBACK,+8613366669999# (Means the
tracker will make call to this number
+8613366669999,then this number +8613366669999
can pick up the call to monitor the voice)
N: Number for Voice Monitoring
NOTE:1.Please send this monitor command via the
center number;
2. Any number can be set up to monitor the voice, the
tracker will make a call to the number N and it will can
pick up the call to monitor voice

Alarm Commands

Functions| Command Format| Explanation

Overspeed Alarm
Setting

| SPEED,A,B,M#|

Example: SPEED,ON,120,1# ( Means the speed limit
is 120km/h and the alarm way is via SMS and Server )
A=ON/OFF, open or close over speed alarm, default：
OFF
B=1～255(km/h), speed limit, default：100(km/h);
M=0/1/2, way of alarm, 0 : SERVER only, 1:
SERVER+SMS, 2: SERVER+SMS+CALL; default: 1

SPEED,OFF#|

CANCEL OVERSPEED ALARM OK

Vibration Alarm
Setting

| SENALM,A,M#|

Example: SENALM,ON,2# ( Means the vibration alarm
already been enabled and the alarm message will be sent via
Server, SMS and Call )
A=ON/OFF, default: OFF;
M=0/1/2, way of alarming, 0 :GPRS only, 1: SMS+GPRS, 2:
GPRS+SMS+phone call, default:1

SENALM,OFF#|

CANEL VIBRATE ALARM OK

Shift Alarm Setting

| SHIFT,A,B,M#|

Example: SHIFT,ON,100,1# ( Means Setting 100 meters shift
alarm range, when the ignition turned off, vehicle’s 100 meters’
shift will trigger the alarm. )
A=ON/OFF; default:ON
B=Shift Distance (Range: 100-9999m)
M=0/1/2; way of alarm, 0 : GPRS only, 1: SMS+GPRS, 2:
GPRS+SMS+CALL, default:1

SHIFT,OFF#|

CANCEL SHIFT ALARM OK

ACC Status
Change Alarm

| ACCALM,A,B,C,D,M#|

Example: ACCALM,ON,0,13.5,12,2#(Means the tracker will
send alarm message out via Server, SMS and Call when the
engine is start)
A=ON/OFF, Default: ON;
B: 0/1/2; 0: ACC ON Alarm; 1: ACC OFF Alarm; 2: ACC
ON&OFF Alarm; Default:2
C=Voltage threshold of ACC ON ( Scope: 9-95V, supports
decimals)
D= Voltage threshold of ACC OFF ( Scope: 9-95V, supports
decimals)
M: 0/1/2 (way of alarm): 0 : Server only, 1: SMS+Server, 2:
SMS+Server+Call, Default:1;

ACCALM,OFF#|

Cancel ACC alarm function

Power Disconnect
Alarm

| LVALM,A,B,M#|

Example: LVALM,ON,13.2# (Means when the voltage of the
car battery is lower than 13V, the tracker will send alarm
message via Server, SMS and Call )
A=ON/OFF, default：ON;
B=9-95V (Low Voltage Threshold Value，Supports decimals
such as 13.5v)
M=0/1/2, way of alarming, 0: Server only, 1: Server+SMS, 2:
Server+SMS+Call,default:1；

LVALM,OFF#|

Close power disconnect alarm

Low Voltage Alarm
Setting

| LVALM,A,B,M#|

Example: LVALM,ON,13.2# (Means when the voltage of the car
battery is lower than 13V, the tracker will send alarm message
via Server, SMS and Call )
A=ON/OFF, default：ON;
B=9-95V (Low Voltage Threshold Value)
M=0/1/2, way of alarming, 0: Server only, 1: Server+SMS, 2:
Server+SMS+Call,default:1；

LVALM,OFF#|

CANCEL LOW VOLTAGE ALARM OK

SOS Alarm

| SOSALM,A,M#|

Example: SOSALM,ON,2# (This means the SOS alarm will be
sent via server, SMS and call)
A=ON/OFF, default ON;
M=0/1/2, ways of alarming, 0: Server only, 1: SMS+Server, 2 :
SMS+Server+Call, default：2；

SOSALM,OFF#|

Close SOS alarm function

Device Pulled
Out Alarm| PULLALM,X,M,T#|

Example: PULLALM,ON,2,20#
X=ON/OFF, ON= Turn ON the pull out alarm, by default ON;
M= alarm reporting mode, M=0 SERVER only; M=1
SMS+SERVER,M=2 GPRS+SMS+CALL;
Default: 1
T= Power-off detection time, range: 2-60 seconds, default 20
seconds;