UniGuard Technology Limited
4G GPS Vehicle Tracker User Manual
V1.1
4G GPS Vehicle Tracker
Thanks for your purchase of UniGuard GPS Tracker. Please read the manual carefully. Any questions, free to contact us.![]()
Specifications
| Item | Value |
| Type | 4G |
| Placement | Windshield |
| Positioning Mode | GPS, LBS, AGPS, Real-Time Positioning |
| Track View | PC, IOS APP, Android APP,SMS |
| Battery Life(Hour) | <12H |
| Warranty | 1 year |
| Model Number | J16 |
| Chip | SIMCOM A7670SA |
| 4G LTE Bands | 4G LTE B1/B2/B3/B4/B5/B7/B8/B28/B66 |
| 2G GPRS bands | GSM 850/900/1800/1900MHz |
| Phase error | RMSPE<5, PPE<20 |
| Frequency | L1,1575.42Mhz C/A code |
| Positioning accuracy | <10 meters |
| TTFF(Open Sky) | Avg.hot start<2s,Avg.cold start <38s |
| Working current | 50mA |
| Quiescent current | 3mA |
| Working temperature | -20℃~+70℃ |
| Data storage quantity | 500 |
| Net Weight | 49g |
| Gross Weight | 150g |
| Size | 80*35*17 mm |
| Battery | 150mAh |
| Color | Black |
SIM Card Installation
- Prepare SIM card with GPRS data, SMS and Call enabled for testing purpose.
- Pull the cover and Insert SIM card
- Put device at open place, out of house.
- Switch device ON
- Add device to web platform.
Signal Light
| LED Type | LED Status |
| GSM Light (Yellow) | OFF: GSM module abnormal or Sleep |
| ON: Device GPRS Online | |
| Flashing: Searching Signal | |
| GPS Light (Blue) | OFF: GPS module abnormal or Sleep |
| ON: Device GPS Located | |
| Flashing: Searching GPS signal |
SMS Commands
| Functions | SMS Command Format | Command Reply |
| Check Setup | CXZT | J16_MASC_SA_B38_4.41_1- GTO6*ID:869731058250614*www.gpspos.net:6006*A:*G:A*4G:29*PW:1124*BT:4 037*AC:0*SP:180*F:30*V:13*SF:0*SD:04 BS:1*R.15-175-4 |
| Restart | RESET# | RESET OK. |
| APN setup | APN,cmnet„# APN,cmnet,aaa,bbb# | APN:cmnet,aaa,bbb |
| IP Port Setup | Server.1.www.gpspos.net.6006. — | ‘3erverl.vmme.gpspos.net.6006.0 |
| Map Link | URLtt | – 03-20 ?2:45>http://maps,google.com/maps?q – +22.601862,4.119832383 |
| Status Check | STATUStt | attery:4.23V:GPRS:Offline:GSMSignal Level:25:ACC:OFRGPS:OFEDefenseON: |
| Parameter check | PARAMtt | MEI:123456781911111:TIMER:1036095 NEDS:3:HBT:1806ec:Defense:2; |
| Fuel control | RELAY.O# (Cut off fuel) RELAY.1# (Resume fuel) | RELAY 1 OK |
| Add Center No. 1 | CENTERA.123456789# | CENTER.A:123456789 |
| Delete Center No.1 | CETER.Dtt | CENTER Del: OK |
| Add center No.2 | CENTER.A2.123456788# | CENTER.A2:123456788 |
| Delete Center No.2 | CENTER.D2# | CENTER D2 Del OK |
| Add center No.3 | CENTER.A3.123456787# | CENTER.A2:123456787 |
| Delete Center No.3 | CENTER.D3# | CENTER D2 Del OK |
| Check Center No. | CENTER# | CENTER.A:123456789 CENTER:A2:123456788 CENTER:A3:123456787 |
| Heartbeat confio | HBT.T1.12# T1=60-300 secs. ACC ON. T2=60-300 secs. ACC OFF | Send: HBT.180.180# Reply: HBT ACC ON:180s.ACC OFF:180s |
| GPRS interval se? | TIMER.T112# T1=5-60 secs. ACC ON. T2=5-1800 secs. ACC OFF | Send: TIMER.30.300# Reply: TIMER ACC ON:30s.ACC OFF:300s |
| Set defense time | DEFENSEA# A:1-60. unt is minute | Send: DEFENSE.3# Reply: DEFENSE:3 |
| Shock alarm ON | SENALKORMtt M=0. GPRS alarm M=1. SMS+GPRS alarm | Send: SENALM.ON2tt Reply: SENALM-ON.2 |
| M=2. GPRS+SMS+Call alarm | ||
| Shock alarm OFF | SENALM.OFF# | SENALM:OFF |
| Check shock alarm | SENALM# | SENALM:OFF |
| Tamper alarm ON | POWERALM.ON.M,T1.T2# M=O. GPRS alarm M=1.SMS+GPRS alarm M=2.GPRS+SMS+Call alarm 11=2-60 second 12=1-3600 second | Send: POVVERALM.ON.2,10.10,# Reply: POWERALM:ON.2.10.10 T1:tamper lasting time T2:minimum charging time |
| Tamper alarm OFF | POWERALM.OFF# | POWERALM:OFF |
| Lowerbat alarm ON | BATALM.ON.M# M=O. GPRS alarm M=1. SMS+GPRS alarm | Send:BATALRM,ON,1# Reply:BATALM:ON.1 |
| Lowbat alarm OFF | BATALM.OFF# | BATALM:OFF |
| Move alarm ON | MOVING.ON.R.M# R=100-1000 meters M=O. GPRS alarm M=1.SMS+GPRS alarm M=2.GPRS+SMS+Call alarm | Send: MOVING.061.1000.2# Reply:MOVING:ON.1000.2 |
| Move alarm OFF | MOVING.OFF# | MOVING:OFF |
| Speed alarm ON | SPEED.ON.B.C.M# B=5-600 secs C=1-255 km/h M=O. GPRS alarm M=1. SMS+GPRS alarm | Send:SPEED,ON.10.120.1# Peply:SPEED:ON.10.120.1 |
| Speed alarm OFF | SPEED.OFF# | SPEED:OFF |
| ACC ON alarm | ACCALM.ON.M# M=O. GPRS alarm M=1.SMS+GPRS alarm M=2.GPRS+Call alarm M=3.GPRS+GSM+Call alarm | Send:ACCALM.ON.3# Reply:ACCALM:3.0K |
| ACC ON alarm OFF | ACCALM.OFF# | ACCALM.OFF OK |
| ACC OFF alarm | ACCOFFALM.ON.M# M=O. GPRS alarm M=1, SMS+GPRS alarm M=2. GPRS+Call alarm M=3,GPRS+GSM+Call alarm | Send:ACCOFFALM.ON.3# Reply:ACCOFFALM:3.0K |
| ACC OFF alm OFF | ACCOFFALM.OFF# | ACCOFFALM.OFF OK |
| Sleep mode | SZCS#SLPDISCONNECT=A | A=O. sleep and online A=1.sleep and offline. SMS online A=2.sleep and offline. SMS offline Send:SZCS=SLPDISCONNECT=0 ReplySETOK: SLPDISCONNECT=0 |
| Below are commands for device with SOS button and Microphone | ||
| Add SOS No. | SOS.A.SOSI_S0S2.S0S3# | SOS.A.123# SOS.A.123.456# SOSA.123.456.789= |
| Delete SOS No. | SOS.D.SOSLSOS2.S0S3# | SOS.D.123# SOS.D.123456# SOS.D.123.456.789# |
| Check SOS No | SOS= | SOS123.456.789 |
| Auto Answer ON | 777= | Automatic incoming call answering has been set |
| Auto Answer OFF | 888# | Automatic incoming call answering has been close |
| Set Call-in function | SZCS#CALL_FUN=A A=0. Auto answer incoming call A=1. No answer, reply Map link. | SETOK:CALL_FUN=1 |
| Check call-in | CYCS=CALL_FUN | READOK:CALL_EUN=1 |
Installation Attentions
Metal shall shield or weaken GPS signal. Avoid metal area while doing installation.![]()
Wiring Diagram
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Web Platform GPS Tracking Software
website: www.gpspos.net
APP: GPSPOS
Search and Download from Google Play and Appstore
Guarantee Card
| Name | Phone | ||
| Purchase Date | IMEI |

















