Specifications

L70 Hardware Design
L70_HD_V1.0 - 7 -
1. Introduction
This document defines and specifies L70 GPS module. It describes L70 hardware interface and its
external application reference circuits, mechanical size and air interface.
This document can help customer quickly understand the interface specifications, electrical and
mechanical details of L70 module. With the help of this document and other related documents,
customer can use L70 module to design and set up applications easily.
1.1. Related documents
Table 1: Related documents
SN
Document name
Remark
[1]
L70_EVB _UGD
L70 EVB User Guide
[2]
L70_GPS_Protocol
L70 GPS Protocol Specification
[3]
L70_Reference_Design
L70 Reference Design
1.2. Terms and abbreviations
Table 2: Terms and abbreviations
Abbreviation
Description
AGPS
Assisted GPS
AIC
Active Interference Cancellation
CEP
Circular Error Probable
DGPS
Differential GPS
EASY
Embedded Assist System
EGNOS
European Geostationary Navigation Overlay Service
EMC
Electromagnetic Compatibility
EPO
Extended Prediction Orbit
ESD
Electrostatic Discharge
GPS
Global Positioning System
GNSS
Global Navigation Satellite System
GGA
GPS Fix Data
GLL
Geographic Position – Latitude/ L ongitude
GSA
GNSS DOP and Active Satellites
GSV
GNSS Satellites in View
HDOP
Horizontal Dilution of Precision
IC
Integrated Circuit
Quectel
Confidential