User Manual

Introduction
12
Features of RTR-500GSM
The RTR-500GSM has the following two built-in communication
capabilities: Wireless Communication with Remote Units and GSM
Mobile Data Communication.
The GSM Mobile Data Communication capability makes it possible to
carry out the following with temperature and humidity data received
from wireless communication with Remote Units.
- Transmission of Warning Reports by E-mail, SMS, or E-mail + SMS.
- Periodic Transmission of Current Readings by E-mail or FTP.
- Periodic Sending of Recorded Data by E-mail or FTP.
External Network such as
the Internet
Base Unit
Base UnitRepeater
Cellular Phone
Base Station
Remote Unit
Remote Unit
* SMS stands f
or Short Message Service.
Power can be supplied via AA alkaline batteries or an external power
source (an AC adaptor or an 8-34V external power source). If AA
alkaline batteries are installed while using an external power source,
the batteries will act as a backup power supply in the event the external
power supply is cut for any reason.