Accurate Tracking with Long Life Stand-by Power for almost a year!

No extra waterproof magnet case or extended battery packs is needed the magnets and long life battery are built into the iTrail Endurance.
iTrail amazon 5 2000x

For Tracking Use our robust tracking platforms either the convenient iTrail app or web tracking platform, both perform the most the same tracking functions. Utilize geofences, alerts and reporting for device management.

 iTrail  app for iPhone or Android

 itrail app store in hand

Perfect for teen drivers, asset tracking, executive protection, any fleet vehicles and much more.

GPS903 SIM handoff





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Please Note: Once your tracker has been installed, it may take up to 24 hours for it to connect to Cellular Network and begin reporting. * If service is inactive , the device may need to be returned for reactivation and a reactivation fee will apply.


KJB Security or iTrail does not support the illicit use of GPS tracking devices. This product is offered for the express purpose of securing personal or company property, and ensuring the safety of individuals with their consent.

  • 20,000 mAh battery for up to 265 days of tracking
  • Low cost plans - cancel anytime!
  • Real-time tracking with 4G
  • No Activation fee*
  • Stand Plans work in USA, Canada and Mexico, World wide Plans available
  • Unlimited Data
  • Vibration/Displacement/Low battery/Power off/Over Speed Alert
  • Remove alert
  • Auto Sleep Mode
  • Geo-fence
  • Arrival Alerts
  • Departure Alerts
  • Low Battery Alerts
  • Historical Playback
  • Reports
  • Web-Based Software
  • Robust App tracking
  • 5 Built-in Magnets with 80lbs total pull
  • Text Message(SMS) Alerts
  • Share location
  • AGPS Cellular assisted GPS
  • No long term commitments to sign up and activate devices
  • *Re-Activation fee can apply


  • Frequency North America : LTE B2/B4/B12; WCDMA :B2/B5
  • AT&T, Verizon and TMobile
  • Networks 4G
  • Battery 3.7V 20000mAh
  • Location time Cold start 35s-80s Hot start 1s
  • Operating temperature -20℃~+55℃
  • Location Accuracy 16 Feet
  • IP65 water proof
  • On/Off Switch
  • Web-Based Software
  • PC/MAC Compatible

Power Type

  • Long Life Battery


  • Remote Monitoring
  • Heavy Duty Magnets

Shipping Dimensions

  • 6" x 6" x 2.75"

Shipping Weight

  • 2 Lbs

Product Dimensions

  • 5.438" (L) 2.313" (W) 2" (H)


GPS903-4G Spec Sheet

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iTrail Manual

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  • Global SIM
  • USB Cable
  • Charger

Shipping & Returns

KJB Security Products considers any item returned to our warehouse a “Return.” This includes unclaimed packages that were shipped to buyer and returned for any reason, i.e. signatories not available, not claimed, etc. KJB Security is not responsible for any error in our customer’s instructions. You must request a RMA number before returning any item.

All returns must have an RMA (Return Merchandise Authorization) Number

Products returned without an RMA may get lost in the process, thereby inhibiting us from crediting, repairing or replacing your return. Please follow these simple instructions so we can process your return quickly and effectively. KJB Security Products will not accept debits for merchandise, all merchandise must be returned and evaluated.

To request an RMA# please call or email our Customer Service Department. This will determine if you need to return the product, all returns are usually sent directly to our warehouse. Please ensure that the item is in its original condition (including: packaging, manuals, warranties, accessories, security seals, and shrink wrap). We must receive your item back within 20 days of when we issue the RMA. Please allow us 5 - 10 business days from the time we receive the item to process your return.

Note: merchandise returned with missing items are not eligible for a refund. For your protection, we recommend that all returns be sent back via traceable carrier. The customer must pay all costs related to return shipping. After receiving and inspecting the returned merchandise, we will determine the course of action; credit, repair or replacement. A 15% restocking fee may be applicable on any unused items

Non-Defective Returns

Require PRIOR approval and a valid RMA Number. AFTER you are given a RMA number, you may return most non-defective, un-used items for a refund of the product cost less a restocking fee of 15%. Shipping cost is non-refundable. Full credit can be issue for items returned in 30 days after purchase. IF after 30 days,it is subject to KJB discretion to issue credit. Full credit can only be issued on items that are new and unused.

When requesting credit on items that are not defective we will issue an in house credit to your account to use towards your next purchase

Defective Returns: KJB stands behind all products sold. Items assembled by KJB Security products carry a Limited Warranty of One (1) Year. Merchandise distributed by KJB carry a Ninety Day (90) Limited Warranty. All warranty coverage starts from date of purchase by the ultimate customer. Proof of Purchase may be requested by KJB. See our Terms and Conditions of Sale for more information on KJB’s Limited Warranty. KJB will determine if the item is in fact defective upon receipt and inspection, at no time can any item be replaced before the item in question is returned and inspected. If the item shows signs of misuse, abuse or failure to follow instructions it will not be accepted for warranty consideration. Items returned, that are being claimed as defective or damaged, WILL BE SUBJECT to a 15% restocking fee if they are found to be in working order. Please insure your customers read the manual.

We can not accept the return of certain items for credit, including

  • Open or used products
  • Special order products
  • Fees for service performed or shipping
  • Single use products such as pepper spray
  • Custom built products such as Hidden cameras
  • Activated GPS Tracking devices
  • Counter-surveillance detectors

All Sales on the above listed items are final.

Health & Safety Products

To be eligible for a return, your item must be unused in its original unopened packaging and returned within 14 Days from date of sale. If 14 days have gone by since your purchase, unfortunately, we cannot offer you a refund or exchange. Due to health and safety precautions, used items CANNOT be returned for exchange or refund.


We only replace items if they are defective or damaged during shipping. If you need to return to exchange for the same item contact Customer Support. All Health & Safety product returns are subject to final inspection upon receipt.

KJB Security Products -