GPS lock


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Built-in LoRa (optional)
Enable the K211 Series and T399L to communicate with each other, making the smart logistics network a reality.
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IP67 water resistant
Hard and rugged enclosure guarantees it complete shockproof and durable.
Locking or Unlocking by RFID
When you swipe the authorized RFID card, the K211 Series can be locked or unlocked.
78 days of battery life
Internal 14000 mAh battery, support interactive working mode by LoRa.



Dimension 112 mm x 195 mm x 37 mm
Weight 800g
Lock rope length 300 mm (The length can be customized as needed.)
Power supply DC 9–14 V; 2 A
Material The outer case of the device adopts PC materials
Backup battery 14000 mAh/3.7 V
Power consumption Current in standby (sleep) mode: 9 mA
Current in normal working mode: 95 mA
Charging time 7.5–8 hours
Operating temperature -20°C to 55°C
Operating humidity 5%–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: 850/900/1800/1900 MHz
LTE-FDD: B2/B3/B4/B5/B7/B8/B28/B66
GSM: 850/900/1800/1900
LTE Cat M1/NB2: B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26/B27/B28/B66/B71/B85
GSM: 850/900/1800/1900 MHz
GPS antenna Built-in GPS antenna
GPS sensitivity -161 dB
Positioning accuracy 2.5 meters
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  64 MB
SIM card installation Flip the card slot cover to install Micro SIM cards; dual SIM cards


GNSS smart lock with the battery Lock rope (30 cm) RFID card
Power adapter (9V) Magnetic USB charging cable USB cable (optional)
CD download card




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