4G/Lora Smart GPS Lock K211L

Built-in LoRa (optional)
IP67 Water Resistant
Locking or Unlocking via RFID
78 Days of Battery Life
4G Network

Smart Lock 4G / LoRa

The K211L 4G is a smart GPS lock that supports Long Range (LoRa) and GPRS communication. Its main functions include real-time lock status monitoring, anti-tamper alert, anti-cut alert, swiping an RFID card to lock or unlock the device, and super long standby time. There is no button on the outer case of the device, and the IP67 water resistance rating makes the device withstand harsh environments. It is specially designed for door lock management in various land and sea transportation such as box trucks, trailers and containers.

Features

Built-in LoRa
IP67 water resistant
Locking or Unlocking by RFID
78 days of battery life
4G Network

Specifications

Dimension	112 mm x 195 mm x 37 mm
Lock rope length	300 mm ( the length can be customized as needed).
Weight	800g
Power Supply	DC 9–14 V; 2 A
Backup Battery	14000 mAh/3.7 V
Power Consumption	Current in standby (sleep) mode: 9 mA Current in normal working mode: 95 mA
Operating Temperature	-20°C to 55°C
Operating Humidity	5% to 95%
Working Hour	Power-saving mode: 78 days Normal working mode: 150 hours
Charging	Magnetic charging (DC 9 V; 2 A; fast charging)
Water resistance rating	IP67
Frequency band	K211L -ER: LTE-FDD: B1/B3/5/B7/B8/B20/B28 GSM: 850/900/1800/1900MHz K211L-AUR: LTE-FDD: B2/B3/B4/B5/B7/B8/B28/B66 GSM: 850/900/1800/1900 K211E: LTE CAT M1/NB2: B1/B2/B3/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26/B27/B28/B66/B71/B85 GSM: 850/900/1800/1900 MHz
LoRa communication distance (optional)	At most 20 meters (obtained from actual tests in trucks’ containers)
LoRa working frequency (optional)	137–1020 MHz (433 MHz by default)
LoRa antenna (optional)	Built-in spring antenna
RFID module frequency	125 KHz
Memory	8 MB
SIM card installation	Flip the card slot cover to install Micro SIM cards; dual SIM cards

Accessories

GPS smart lock with a battery
Lock rope (30 cm)
RFID card
Power adapter
USB cable
CD download card

Certificates

Frequently Asked Questions

What factors should be considered when choosing a long-life GPS asset tracker?

When picking a long lasting GPS tracker, think about its battery life, different tracking settings, how accurate it is, and how tough it is. Find trackers that are strong, waterproof, and have magnetic mounts so they are easy to put in place and can handle tough conditions. For instance, the TA255 from MeitrackUSA.com has a waterproof case and magnetic mount, making it good for many situations. Also, check its alert features and if it connects using 4G with 3G/2G as a backup. This will make sure you can always keep an eye on your assets.

How does update frequency affect battery life in GPS trackers?

How often you update your tracker’s location greatly affects its battery life. If it updates every few seconds, the battery drains much faster because it is constantly using GPS and sending data. But if it updates less often, like once a day, the battery can last for months or even years. Many trackers, including those from MeitrackUSA.com, have different settings. This lets you choose between tracking things in real-time and making the battery last longer. To get the most out of your tracker’s battery, you need to find the right balance for how often it updates its location.

What kind of environments are these trackers suitable for (e.g., harsh, outdoor)?

Long-lasting GPS trackers are often made to work well in tough outdoor conditions. For example, the TA255 solar-powered GPS Tracker from MeitrackUSA.com has a strong, weatherproof case. This allows it to handle very hot or cold weather, humidity, and being outside. This makes it great for tracking metal containers that move through different weather and places. Similarly, other asset GPS Tracker are made for heavy equipment and construction sites. They have weatherproof cases and can work for years. These designs mean you can track your items reliably no matter how challenging the environment is.

What specific features are beneficial for asset tracking (e.g., magnetic mounts, ruggedness)?

To track assets well, certain features are really helpful. These include magnetic mounts for easy, hidden attachment and strong, tough designs that last in bad weather. For example, the TA255 from MeitrackUSA.com has both a magnetic system for simple setup and a weather-resistant case to guard against harsh temperatures and elements. Also useful are location systems with multiple technologies for better accuracy, motion sensors for instant alerts, geofencing to set safe areas, and tamper detection to stop theft. Together, these features make asset protection thorough and dependable.

What are the different communication technologies used (cellular, LoRa, satellite) and their implications for battery life and coverage?

Long-lasting GPS trackers use different communication technologies. Each choice affects battery life and coverage. Cellular options like 4G LTE-M and NB-IoT are widely used. They provide good coverage and save battery, especially for items that stay put and do not need frequent updates. LoRa (Long Range) technology uses very little power and can reach long distances. This makes it good for country areas or remote spots where cell service is limited. Satellite communication works everywhere. This is essential for tracking things in very far-off places without cell service, but it usually uses more power. The technology picked affects how quickly data is sent, how far it can reach, and how long the battery lasts for devices from companies like Meitrack. Choosing the right technology depends on where the item is, how much it moves, and how often updates are needed.