GPS GSM Wifi LBS Locator PCBA Module ZX303 Mini GPS Tracker with SOS Alarm Real-Time Web APP Tracking TF Card Voice Recorder

Feedback Ratings
  • 1-9 Pieces
  • 10-99 Pieces
  • 100-2999 Pieces
  • >=3000 Pieces
Screen Size:
Black White
Memory Capacity:
- +
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
10 day(s) after payment received
Customized logo (Min. Order: 3000 Pieces)
Customized packaging (Min. Order: 3000 Pieces)


Graphic customization (Min. Order: 3000 Pieces) Less
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Quick Details
Gps Tracker
Hand Held
Mp3/Mp4, Real-time Tracking SOS Geo-Fence 90days Playback
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
24 Months
GSM/GPRS 850/900/1800/1900MHz
Build-in GPS GSM Antennas
Micro Hidden Install
Voice Monitor Voice Recording
Tracking system: APP: 365GPS
Special Funtion:
Auto Sound Detection Recording save in TF card and APP
Low Battery Alarm Voice Alarm Vibration Alarm
Position Accuracy:
Outdoor: GPS 10meters/Indoor: Wifi 10-50meters

Packaging & Delivery

Selling Units:
Single item
Single package size: 
3X2X1 cm
Single gross weight:
0.015 kg
Package Type:
only the pcb module, with GSM GPS antenna , user manual
Picture Example:
Lead Time :
Quantity(Piece) 1 - 100 101 - 500 501 - 3000 >3000
Est. Time(days) 10 12 15 To be negotiated
Video Description


New ZX303 PCBA GPS Tracker GSM GPS Wifi LBS Locator SOS Alarm Web APP Tracking TF Card Voice Recorder SMS Coordinate Dual System

Dual System mean: support both APP positioning and SMS Coordinate

GPS + AGPS + Wifi + LBS + TF card and APP voice recorder + SOS + Voice Monitoring + Make and Receiver Call -- almost all functions to a GPS tracker

First: GPS, Second: Wifi, Last: LBS

( outdoor GPS accuracy 10m-50m, indoor Wifi accuracy 5m-50m )
Module NumberZX303Working Voltage3.7-4.2V
Size35x20x4.5(mm)Charging Voltage5V
ChipMT2503+MTK3333+MTK5931Temperature-20℃ - +70℃
Storage32M Flash MemoryHumidity20%-80%RH
RFPARDA6625ESIM CardNano SIM Card Holder
GSM Band850MHz/900MHz/1800 MHz/1900MHzStandby Average CurrentLess than 2mA
GPRSClass 12 Sensor3D G-Sensor
Horn0916 AACGSM AntennaPIFA Antenna
I/O InterfaceBuilt-in Micro 5pinGPS Antenna15X15  ceramic antenna
Built-in High-Definition Silicon microphone (heard the voice within 10metres)TF cardSupport Max 32GB super long voice recording
GPS AccuracyWithin 10MetresWIFI Positioning AccuracyWithin 50Metres
GSM Positioning Accuracy50-200Metres (Depending on the network)Speed Positioning Accuracy0.1metre/second
GPS Positioning TimeCold Boot-38s(Open sky) Warm Boot-2s(Open sky) The specific time is affected by the environmentCharging CurrentCharging 5V 800mAh (Set current according to different battery capacities)





Multiple Positioning Mode: GPS+ AGPS+LBS+WIFI + TF Card and APP Voice Recorder

Worldwide GSM+GPRS 4-frequency System: 850/900/1800/1900MHz

Automatic Time Update: Precise GPS time service and no manual time adjustment is needed

Track: The user's specific location can be inquired through the cell phone APP or the computer

Fence: Designate an area on the map by setting the device as the center point and the alarm will be triggered off immediately once the user of the device goes into or out of this area

PlayBack: Inquire the moving routes of the device in the past 3 months anytime and anywhere

SOS: In case of emergency, press the SOS button and the device will send out the call and message for help to the guardian (long press power button 4 seconds)

Walk: Counts the steps the user has walked

Reward: The reward is sent out through the APP on the guardian's cell phone and the reward progress can be viewed

Voice: With the highly sensitive microphone, the sound around the device can be heard in real time in case the emergency happens to the user

Remote Power-off: The device can be turned off through the APP on the guardian's cell phone

Remote Restart: The device can be restarted through the APP on the guardian's cell phone

Intelligent Power Saving: The device turns off/on the GPS and data upload in the time range specified through the APP on the guardian's cell phone.

Map: Baidu map and Google map.



SMS comands :

000 # number # number # number # (binding three phone numbers)
111 (SMS recording 10 minutes pause)
222 (voice recording 5 minutes pause)
333 (voice-activated dial-back telephone)
444 (delete all contents of memory)
555 (turn off all features)
666 (vibration alarm SMS)
777 (vibration alarm telephone)
888 (play the memory recording --- such as the next play then pause after the broadcast --- if the switch key short press pause)
999 ( SMS Coordinate Positioning )
789 ( Upload 10seconds voice recorder to 365gps ftp server )
123#1/0 ( Open/Close auto upload location data )


1.Note: This is 2G GPS Tracker , only support 2G sim card. ( It's said Austrlia,Singapore,Mexico,Canada and USA will stop 2G service since 2017. )


2.The Topin Official Service platform:

Android application: 365gps

iOS application: 365gps

Login ID: IMEI number, Default Password: 123456 


3. QR code scanning access

The client for the Android and iOS phones can be downloaded after the QR code has been scanned.
Here are the SMS comands used on this device :

1 - Reset to default password: “pwrst”

2 - Restore factory settings: “1122”

3 - Inquire IMEI: “imei#”

4 - Modify IMEI: “imei#+no.ofimei" ( for example: IMEI#200000000000001 )

5 - LED light on/off: “led#on/led#off”

6 - Modify upload time interval:
“time#+No. ( for example: time#1, time interval 1minutes, from 1-60minutes )
"MD#+number" ( for example: MD#10 , time interval 10seconds, available set to 10-60 seconds)

7 - Modify IP: “DOMAIN# domain name or IP#Port ID#” ( will return to default 365gps server if the new server unavailable )

8 - APN setting: “APN#parameter#account#password#” ( if there is no account password, don't need to fill in. )
(For example, China Mobile APN is: CMNET, text message: APN#CMNET#)

9 - Restart the device: “SYSRST#”

10 - Vibration Alarm: 6666#on# / 6666#off# ( open / close vibration alarm )

11 - Remote Pickup Call: monitor#Number# ( set the monitor number) , monitor## ( cancel monitor )

12- 999 : SMS Coordinate Positioning
Our Service                                                                                               
1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. After sending, we will track the products for you once every two days, until you get the products.
When you got the goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solve way for you.

Q: Are your APP and Platform free to use?
A: Yes, both of them are free to use for lifetime.

Q: As you are the direct manufacturer, can I order one or two samples from you?
A: Yes, we also support sample orders.

Q: Do you offer OEM service, like make us a new APP with our logo?
A: Yes, we support OEM service, including making your APP, printing your logo on device and customizing boxes, manual with your language, etc.


Q: How long will the delivery take after payment done?
A: Delivery time depends on the shipping way you choose. We offer cheap but slow way with Singapore Registered Post ( 15-30days ) and fast express ways like DHL,TNT,FedEx,UPS, etc.
(  3-7 days delivery )

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