Operating instructions

2 1892 1236 - SX500 Transmitter Operator Note - v1.6.1 / Apr 2005
EN 300 220 Restrictions of Use
When used in the band 433.050 - 434.790MHz the unit output power must be set to <10mW
with an antenna gain of <0dB.
The duty cycle of the equipment is limited when used in the 433.050 - 434.790MHz frequency
band.
Note: the duty cycle of a module is defined as the ratio of the total on-time of the “message”
to the total off time in any one hour period.
The transmit/receive duty cycle must be < 10% in operation. The end user equipment must
include this control to conform to the license exempt operation in this band.