JIMIIOT LL309 Temperature and Humidity Monitoring Tracker
Description:
The LL309 is a 4G asset tracker that provides precise location tracking through GPS, BDS, and LBS. It’s equipped with a built-in temperature and humidity sensor, continuously monitoring conditions and sending instant alerts over the 4G network if any deviations occur, making it ideal for safeguarding perishable goods. Even when offline, the LL309 can store up to 20,000 records of location, temperature, and humidity, which can be easily exported via a Type-C cable for further analysis. It’s a versatile solution, perfect for refrigerated trucks, parcels, and other sensitive cargo tracking applications.
Features:
【Multi-Source Positioning】
Leverage multiple positioning systems (GPS, BDS and LBS) for accurate real-time location tracking on the designated platform.
【Environmental Monitoring】
Built-in temperature and humidity sensor detects and alerts you when readings fall outside your preset limits.
【Real-Time Data Reporting】
Utilize LTE connectivity to upload location, temperature, and humidity readings instantly.
【Local Data Storage】
Store up to 20,000 data entries (including location, temperature, humidity, and alarms) for export via the included Type-C cable and cache an additional 5,000 data points (location, temperature, and humidity) collected in areas with no cellular signal.
【Multiple Alerts】
Receive instant notifications for device removal, abnormal temperature/humidity, and other critical events on your designated platform or preset phone number.
【Bluetooth Configuration】
Configure device settings directly through the Jimi IoT Lab app (iOS) using Bluetooth.
【IP67 Dust & Water Resistance】
High IP-rated casing ensures continued optimal performance in harsh environments.
Specifications:
| Positioning & Location | |
| Technology | GPS, BDS, LBS |
| Accuracy | < 2.5m CEP |
| Tracking sensitivity | –148 dBm |
| Acquisition sensitivity | –168 dBm |
| TTFF (open sky) | Avg. hot start ≤1s; Avg. cold start ≤32s |
| Cellular | |
| Technology | LTE Cat. 1 |
| Frequency | LL309 LTE-FDD: B2/B4/B5/B7/B12/B14/B17/B25/B26/B66 LTE-TDD: B41 |
| Power | |
| Battery | 2500mAh Li-Po battery (rechargeable) |
| Working modes | Mode 1: Timing Mode Mode 2: Intelligent Mode Mode 3: Power-saving Mode |
| Battery life | 30 days (one update per hour) |
| Interface | |
| LED indication | GNSS (Blue), Battery (White), Cellular (Green) |
| SIM | Nano-SIM |
| Memory capacity | 20,000 data entries (for export); 5000 GPS data entries (buffer) |
| Tamper proof | Light sensor |
| USB | Type-C |
| GNSS antenna | Internal |
| Bluetooth antenna | Internal |
| Feature | |
| Voice monitoring range | N/A |
| Sensors | Light sensor, Temperature and humidity sensor |
| Scenarios | Tamper alert, Temperature & humidity exception alerts, Vibrating alert, Low battery alert |
| Mount method | Wall hooks |
| Bluetooth | BLE 5.1 |
| RFID | N/A |
| Configuration support | SMS, Tracksolid Pro, PC Tools, Jimi IoT Lab |
| Certification | FCC |
| Operating environment | |
| Operating temperature | –20℃ to +70℃ |
| Operating humidity | 0% to 100% |
| IP rating | IP67 |
| Physical specification | |
| Dimensions | 100 × 60 × 15mm |
| Weight | 108g |
| Standard Packing | |
| LL309 unit | 1 |
| Type-C cable | 1 |
| Adhesive wall hooks | 2 |
| Optional Configuration* | |
| N/A | |
**Optional Configuration required to be customized or purchased separately.
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Buyers need to pay their own import duties,this is also the rules of Ebay.
We do not accept refunds because the goods returned due to the buyer refusal to pay customs duties,
Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
Shipping
Item will be shipped out within 5 business days after the payment.
Please check and make sure your address is correct before payment. (In order to make sure you can receive the items successfully, please provide your phone number as well.)
The items will be shipped via standard shipping. It usually takes around 3 to 4 weeks to United Stated, United Kingdom, Australia, Canada and some European countries. But for other countries, it may need 5-7 weeks to deliver the parcel. It may take longer time if there is abnormal weather condition or customs control issue. Please kindly contact us for refund or assistance if the item doesn’t receive during the time. (If you want a faster service, please contact us before your bidding or purchase.)
Please contact us for further assistance if you don't receive the item on time. (Before opening up any "Item not received" dispute/claim, please contact us for a full refund if you don't get the package 35 days after your cleared payment.)
Return
All items will be tested or checked carefully and packaged in good condition before sending out to you.
Some faulty items might happen especially after overseas transportation. We offer 30 days Dead On Arrival Replacement Warranty from the date of receipt.
You will be responsible for the returning shipping cost, and we will ship the replacement at our cost after receiving the returned item. Please contact us for details before sending the item back to us.
Replacement or refund will be issued after the items are received by us.
Feedback
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