14
4. Repeat steps 2 and 3 to display the signal strength
again.
7.2
Jamming
A jamming signal is a signal of the same frequency as the radio
components that is strong enough to interfere with the radio
signal for at least 30 seconds a minute.
Set the “Jamming”
jumper to activate this function and transmit a corresponding
message to the alarm centre.
7.3
Supervision
Set the “Supervision” jumper to activate this function. The radio
extension reports a sensor as faulty if it receives no signal from
this sensor within the programmed period.
7.4
Sensor low battery
This message is sent to the alarm centre when the battery
power of the radio sensor is low.
8. Technical data
Power consumption
55 mA max. at 12 V DCDC
Zones
8 radio zones for sensors and up to 8
radio remote controls
Display
2 x 7-segment LED. Visible when case
open
Transmitter
Frequency: 868.6625 MHz
Bandwidth: 20 kHz
Wireless
transmis-
sion power
Max. 10 mW
Dimensions
182mm x 128mm x 32mm (HxWxD)
Weight
342g
Ambient operating
temperature
-10° to 55°C
Ambient operating
humidity
Max. 93%
