![Foif A20 Скачать руководство пользователя страница 7](http://html.mh-extra.com/html/foif/a20/a20_user-manual_2314804007.webp)
Exposure to radio frequency radiation
For radio (410~430MHz/430~450MHz/450~470MHz)
It is safety. Exposure to RF energy is an important safety consideration. Proper use of this
radio
modem results in exposure below government limits.
The following precautions are recommended:
l
DO NOT
operate the transmitter when someone is within 20cm of the antenna.
l
DO NOT
collocate (place within 20cm) the radio antenna with any other transmitting
l
DO NOT
operate the transmitter unless all RF connectors are secure and any open
connectors are properly terminated.
l
DO NOT
operate the equipment near electrical blasting caps or in an explosive atmosphere.
l
All equipment must be properly grounded according to FOIF installation instructions for
safe operation.
l
All equipment should be serviced only by a qualified technician.
For GSM radio
CAUTION
- For your own safety, always observe the precautions listed here.
- Always maintain a minimum separation distance of 20cm between
yourself and the radiating antenna on the radio-modem.
- Do not collocate (place within 20cm) the radio antenna with any
other transmitting antenna.
antenna.