Black rectangular GPS tracker with status lights in front of a smartphone displaying a map of Perth.
Black rectangular GPS tracker device with LED indicators, power button, and visible branding on a white background.
Black rectangular GPS tracker attached to the underside of a vehicle, shown close-up against a metal surface.
Single black rectangular device with four silver magnetic panels and a small round hole, shown on a black background.
Black rectangular GPS tracker device with indicator lights, power button, and battery details on the back.
Rectangular black GPS tracker device with indicator lights and printed battery specifications on top.
Single black rectangular device with four silver metallic squares and a round hole on one corner, against a black background.
Side view of a single black rectangular GPS tracker with a visible USB port cover.
Single black rectangular device with four silver panels on top, shown on a dark background.
Black rectangular GPS tracker with status lights in front of a smartphone displaying a map of Perth.Black rectangular GPS tracker device with LED indicators, power button, and visible branding on a white background.Black rectangular GPS tracker attached to the underside of a vehicle, shown close-up against a metal surface.Single black rectangular device with four silver magnetic panels and a small round hole, shown on a black background.Black rectangular GPS tracker device with indicator lights, power button, and battery details on the back.Rectangular black GPS tracker device with indicator lights and printed battery specifications on top.Single black rectangular device with four silver metallic squares and a round hole on one corner, against a black background.Side view of a single black rectangular GPS tracker with a visible USB port cover.Single black rectangular device with four silver panels on top, shown on a dark background.
Compatible with:

GPS51 App

Real-time updates to your phone

Up to 3 months of battery life

Tamper-proof alert technology

Small and easy to place (9cm high x 5cm wide!)

Suitable for marine and outdoor use

Easy mounting with built-in magnet

Compatible with GPS51 app

GPS Tracker Pro - 4G Big Battery Magnetic

SP-TK-905B
Price:
$349.00 AUD

Our Smart Magnetic 4G GPS Tracker is ideal for a wide range of applications as it's easy to attach, has it's own long-life power source and is plug-and-play and ready to be smart phone connected right out the box.

⚠️ We don't recommend using the Optus network as it is not currently optimised for our trackers.

Great for:

Vehicle GPS • Asset Protection • Caravan Security • Boat Tracking • Tool/Equipment GPS • Long Battery Use

Recommended - Optional

Add a SentriSIM pre-configured service

Simple, affordable plans with reliable coverage and instant activation. No ID checks & no lock-in contracts.

Note - Designed for GPS trackers only. Cameras/video are not supported.

SentriSIM
You're adding 1 SIMs
$12.50 per SIM/mo Total: $12.50 per month

Add 9 more SIMs to pay $11.88 per SIM (5% off)

Buying 10+ trackers & SIMs? Free setup - unbox, insert SIMs, configure devices, saving hours.

Delivery ETA (FREE $99+)

Delivery info

Sentriwise provides various methods of delivery:

Delivery Options in Australia:

Standard & Express Delivery.

We dispatch orders from our Sydney and Perth warehouses daily, making use of Express, Toll Express, SEKO, or Australia Post Express as our shipping vendors.

All orders placed before 1:00 PM AEST are sent out on the same day, with most being delivered within 1-3 business days.
Upon shipment, the transaction will be marked “Shipped”, and you will receive an email notification. In the event that you do not receive your purchase within 7 business days, please do not hesitate to contact us.

Same Day Delivery.

If you are based in Sydney or Perth, we offer same-day delivery for orders placed before 11:30 am.
Simply choose 'Same Day Delivery' at checkout. The cost of this service will be shown to you at the checkout. 

Click & Collect.

You can pick up your orders from our Sydney and Perth warehouses during our respective business hours:
Sydney - Monday to Friday 8 am to 4 pm AEST.
Perth - Monday to Friday 9 am to 5 pm AWST, Saturday 9 am to 1 pm AWST.

Australian Shipping Prices:

  • Free Delivery within Australia on orders over $99!
  • We offer FREE Standard Shipping (3-5 Business Days) with on all orders over $99.
    Upgrade to Express (2-3 Business days) for $5.99.
  • We offer FREE Express Shipping (2-3 Business Days) with Australia Post on all orders over $149
  • For orders under $99, Standard Shipping will cost $5.99. Upgrade to Express shipping for $12.99
  • Australia Post Insured Express (WA): $14.99, 1-2 business days
  • Australia Post Insured Express (NSW, VIC, QLD, SA, TAS, ACT, NT): $14.99, 3-5 business days
  • Bulk goods over 5kg (such as some outdoor cameras & solar panels): Standard-only shipment 

Delivery Within NZ.

Sentriwise dispatches orders within New Zealand daily, using Australia Post Express as our shipping vendor.
All orders placed before 1:00 PM AEST, are sent out the same day, with most being delivered within 3-5 business days.
Upon shipment, the transaction will be marked “Shipped” and you will receive an email notification. In the event that you do not receive your purchase within 7 business days, please do not hesitate to contact us.

International Shipping.

We also ship our products internationally, using a wide range of international shipping vendors. All orders placed before 1:00 PM AEST, are sent out the same day, with most being delivered within 2 weeks.
Upon shipment, the transaction will be marked “Shipped” and you will receive an email notification. In the event that you do not receive your purchase within 3 weeks, please do not hesitate to contact us.

The recipient of an international shipment may be subject to other fees and charges, including Import Fees, which are charged once the shipment arrives at the destination country. Any additional fees and charges for customs clearance must be borne by the recipient, should it be applicable.

Click & Collect info

At Sentriwise, we understand the importance of convenience and flexibility when it comes to receiving your online orders. That's why we offer a hassle-free click-and-collect service that allows you to shop online and pick up your purchases at our store located in Sydney and Perth. 

Need it fast – no problems – your Click & Collect order will be ready to pick up in 1 hour or less during store trading hours.

Availability 

Sydney: Monday to Friday: 8am-4pm AEST

Perth: Monday to Friday: 9am-5pm AWST, Saturday: 9am-1pm AWST

To place a Click & Collect order: 
Step 1. Browse products
Step 2. Add to cart and head to the checkout.
Step 3. Choose your store and complete your order.
Step 4. We’ll confirm your order
Step 5. Collect your order.

Collecting your order

Click & Collect parcels need to be signed for at the store upon checkout for pick-up. Simply use the email copy on your phone as proof of purchase, together with your photo identification. If you authorised another person to collect your parcel, they will require photo identification to sign for and collect the parcel together with the proof of purchase. Once the parcel has been signed for, you or the person collecting are responsible for any damage or loss of items.

Click & Collect orders will be kept for 30 days from the day you’ve placed your order. After 30 days your order will be cancelled and we will contact you to arrange a refund of the order value. Please contact the Customer Service if you’re unable to collect in that time frame.

*Please note for collections from Sydney, all product enquiries should be addressed via our online Customer Service portal or via phone 1300789055. 
1 Year Warranty
Lifetime Support

Real-time updates to your phone

Up to 3 months of battery life

Tamper-proof alert technology

Small and easy to place (9cm high x 5cm wide!)

Suitable for marine and outdoor use

Easy mounting with built-in magnet

Accurate GPS Data

Provides pinpoint location tracking, typically within 2 metres. Ideal for monitoring vehicles and valuable assets with real-time updates.

Advanced Tracking Capability

Utilises GPS, GLONASS, and BEIDOU for enhanced accuracy. Ensures global tracking with high efficiency.

4G Connectivity

Uses 4G LTE for fast, reliable data transfer. Ensures real-time location updates with minimal delays.

Security & Control

Lifetime access to an easy-to-use tracking platform - Manage and control tracking data effortlessly.

Custom Alerts

Receive notifications for tampering, over-speeding, and geo-fence breaches. Alerts available via SMS or a dedicated app.

Magnetic Attachment + Waterproof

Securely attaches to vehicles and assets. IP67-rated for dust and water resistance.

Power Efficiency

Ultra-long battery life mode extends operation. Sleep mode conserves power for longer tracking without frequent recharging.

Voice Monitoring

Enables audio monitoring of surroundings.

Specifications

  • Device Dimensions: 95mm x 72mm x 35mm
  • Device Weight: 70g
  • Waterproof and Dustproof Grade: IP67 (Waterproof Rating)
  • Operating Temperature Range: -40°C to +85°C
  • Storage Temperature: -20°C to +75°C
  • Operating Humidity: 5% ~ 95%
  • Backup Battery: 7500mAh / 3.7V
  • Charging Voltage/Current: DC 5V / 2A
  • Positioning Accuracy: Less than 2 metres
  • Supported Satellite Systems: GPS, GLONASS, GALILEO, BEIDOU, QZSS, SBAS, AGPS
  • Positioning Time: Hot Start: <1 second, Cold Start: <28 seconds (with AGPS)
  • Tracking Sensitivity: -160dB
  • Acquisition Sensitivity: -148dBm
  • Communication System: 4G LTE Cat1
  • Frequency Bands: LTE B1/B2/B3/B4/B5/B7/B8/B20/B28/B34/B38/B39/B40/B41/B66
  • Data Transfer Speed: Max 10Mbps (DL) / Max 5Mbps (UL)
  • Communication Protocol: TCP
  • Working Curent : Online sleep mode: 800uA ; Normal mode(timed reporting): 24mA
  • LED Indicators: GPS (Blue), GSM (Red), Power (Green)
  • Positioning Chipset: HD8125
  • Communication Module/Chip: BC78
  • Antennas: GNSS, GSM
  • GSM Antenna: Built-in Design
  • GPRS Class: Class 12, TCP/IP
  • Frequency: GLONASS,1602MHz ; GPS: 1575.42MHz
  • Number of Channels: 122 tracking channels, 64 acquisition channels
  • Maximum Frequency Error: ±0.1PPM

Reviews

What's in the Box

  • 1x 4G Magnetic GPS Tracker
  • 1x USB Type-C Charging Cable
  • 1x User Manual
  • 1x SIM Card Removal Tool

FAQs

The 4G GPS Tracking Device is compatible with all major networks - including Telstra, Optus, and Vodafone networks.

We recommend a plan with at least 2-3GB of monthly data allowance for optimal performance. Usage may vary depending on the frequency of live updates.

No, the device operates silently, designed for stealth tracking with no sound emissions.

Support

Need help? Our in-house experts are here to assist! Chat with us anytime for quick answers and expert support.

Live Chat Email us 1300 789 055

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