Справочник Пользователя для Inotec Limited WDCOCC-SING
WDC Workplace Data Collector – User Manual
14
Batteries
Provides power to the circuit board.
2) The WDC is factory configured to communicate at one of four different
operating radio frequencies - depending on the region.
These BASE frequencies are 315MHz, 434MHz, 868MHz and 915MHz. The most
common frequency is 868MHz for European and Middle East communications, and
915MHz for the USA, 922 FOR Singapore and 866Mhz for India.
3) A different antenna length is required for each frequency. These antennae are colour coded
as follows:
Frequency
Antenna Colour
315MHz
Orange
434MHz
Yellow
866-868MHz
Grey
915-928MHz
White
Table 1.0 WDC Component Functions
Table 2.0 WDC Antenna Colours