GNSS  Module  Series 
L89_R2.0_EVB_User_Guide                                                 3  / 25 
 
 
 
Safety Information 
The following safety precautions must be observed during all phases of operation, such as usage, service, 
or repair of any cellular or mobile terminal incorporating L89 R2.0 module. Manufacturers of the terminal 
should distribute the following safety precautions to users and operating personnel, and incorporate them 
into all manuals supplied with the product. Otherwise, Quectel assumes no liability for customers’ failure to 
comply with these precautions.     
 
Ensure  the  use  of  the  product  conforms  to  the  local  safety  and  environment 
regulations and is allowed to be used in the country and in the required environment. 
Keep away from explosive and flammable materials. The use of electronic products 
in  extreme  power  supply  conditions  and  locations  with  potentially  explosive 
atmospheres may cause fire and explosion accidents.   
The product must  be powered by a stable voltage source, while the wiring must 
comply with security precautions and fire prevention regulations.   
Proper  ESD  handling  procedures  must  be  followed  throughout  the  mounting, 
handling and operation of any application incorporating the module to avoid ESD 
damages.