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GPS Module L70 


Quectel  L70
 





Compact  GPS Module

with  Super Sensitivity






Key benefits
 





●  Extremely compact size: 10.1 × 9.7 × 2.5 mm

●  EASY™, advanced AGPS technology without the need for external memory

●  Ultra low power consumption in tracking mode, 18mA

●  AlwaysLocate™, an intelligent controller of periodic mode

●  LOCUS, innate logger solution with no need for host and external flash

●  Highly sensitivity, -165dBm@Tracking, -148dBm@Acquisition

●  66 acquisition channels, 22 tracking channels

●  FLP mode, only 5mA in static receiving

●  Balloon mode, for high altitude up to 80km

●  Support QZSS

●  Support DGPS, SBAS(WAAS/EGNOS/MSAS/GAGAN)

●  Anti-Jamming, Multi-tone Active Interference Canceller

●  PPS VS. NMEA can be used in time service

●  Support SDK command developed by Quectel






Introduction
 



L70, a SMD type module, brings the high performance of the MTK positioning engine to the industrial applications with compact profile, ultra low power consumption and fast positioning capability.


Combining advanced AGPS called EASY™ (Embedded Assist System) and proven AlwaysLocate™ technology, L70 achieves the highest performance and fully meets the industrial standard. EASY™  technology ensures L70 can calculate and predict orbits automatically using the ephemeris data (up to 3 days) stored in internal flash memory, so L70 can fix position quickly even at indoor signal levels with low power consumption. With AlwaysLocate™ technology, L70 can adaptively adjust the on/off time to achieve balance between positioning accuracy and power consumption according to the environmental and motion conditions.


Additional feature of embedded logger function called LOCUS allows L70 to log position information to internal flash memory at default intervals of 15 seconds and provide typically more than 16 hours log capacity without adding cost.


The Fitness Low Power (FLP) feature provides low power GPS solution for fitness application. It is an optimized solution for wearable, fitness and tracking device and only costs 5mA current consumption in static receiving.


With its tiny design, high precision and sensitivity, L70 is perfectly suitable for a broad range of M2M applications such as portable device, automotive, personal tracking, security and industrial PDA.


 

Quectel L70 Details

 

General Specifications

 

L1 Band Receiver
(1575.42MHz)

Channel Number

22 (tracking) / 66 (acquisition)

 

 

C/A Code

 

 

 

SBAS

WAAS, EGNOS, MSAS,GAGAN

 

Horizontal Position
Accuracy

Autonomous

<2.5m CEP

 

Velocity Accuracy

Without Aid

< 0.1m/s

 

Acceleration Accuracy

Without Aid

0.1 m/s2

 

Timing Accuracy

1PPS out

10ns

 

Reacquisition Time

 

<1s

 

TTFF@-130dBm
with EASYTM

Cold Start

<15s

 

 

Warm Start

<5s

 

 

Hot Start

<1s

 

TTFF@-130dBm
without EASYTM

Cold Start

<35s

 

 

Warm Start

<30s

 

 

Hot Start

<1s

 

Sensitivity

Acquisition

-148dBm

 

 

Tracking

-165dBm

 

 

Reacquisition

-160dBm

 

Environmental

Operating Temperature

-40℃ to 85℃

 

 

Storage Temperature

-45℃ to 125℃

 

Dynamic Performance

Maximum Altitude

Max.18000m

 

 

Maximum Velocity

Max.515m/s

 

 

Maximum Acceleration

4G

 

Dimensions

10.1 × 9.7 × 2.5mm

 

Weight

Approx. 0.6g

 

 

 

Serial Interfaces

 

Serial Interfaces

UART: Adjustable 4800~115200 bps
Default: 9600bps

 

Update Rate

1Hz (default), up to10Hz

 

I/O Voltage

2.7V ~ 2.9V

 

Protocols

NMEA 0183
PMTK

 

 

 

Power Management

 

Power Supply

2.8V ~ 4.3V

 

Power Acquisition

18mA

 

Power Tracking

12mA

 

Power Saving

Typ. 1.4mA@AlwaysLocateTM

 

 

7uA@Backup Mode

 

 

200uA@Standby Mode

 

 

Periodic Mode

 

Antenna Type

Active or Passive

 

Antenna Power

External or Internal VCC_RF

 

 

 

Certifications

 

CE/ FCC

 


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