User's Manual

Static and Data Transmission
Environmental Requirement
Even though V30 receiver uses waterproof materials, maintaining in a dry
environment is still helpful. In order to improve the stability, and duration of the
receiver, please avoid exposing the receiver in extreme environments, such
as:
  Moist
  temperature higher than 65 degrees
  temperature lower than -40 degrees
  corrosive liquid or gas
Electrical Interference
Do not place GNSS receiver around a strong power interference signal
source, such as:
  Oil Road ( spark plug )
  television and computer monitor
  generator
  electric motor
  DC-AC power conversion equipment
  Fluorescent Light
  Power switcher