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19.
UHF Radio Modem Specification (Not USA)
The same UHF Radio Modem is used in the FEC Remote Lighting Controller (RLC), Key Fob
Controller (KFC) and optionally fitted to the Battery HeliLights.
The Modem has the following specification.
Parameter
Manufacturer:
Modem Type:
Nominal Frequency Band:
Frequency Options:
Frequency Set to:
Bandwidth per Channel:
Deviation:
Maximum Power Output:
Power Output (RLC & Lights):
Power Output (Key Fob):
Maximum RF Input Power
Receiver sensitivity:
Key Fob Control Range:
RLC Control Range:
Addressing:
Addressing Schema:
RF Baud Rate:
Modem Data Rate:
Modulation:
Operating Temperature:
Compliance:
Value
RF Solutions Ltd. UK
ZULU-M868-SO
868MHz
868.400, 868.900, 869.450, 869.600 and 869.800 MHz
869.450
100kHz
45kHz
100mW (20dBm)
100mW (20dBm)
12.6mW (11dBm)
+10dBm
Max –121dBm (-102dBm (Max) to -109dBM (Min) at 115kbps)
>250m (line of sight, light at ground level)
Up to 2km depending on RLC aerial positioning and terrain
24bit secure data protocol
One to Many
56kbps
19.2kbps
Frequency Shift Keying (FSK)
-40C to +85C
CE (see table below)
RF Channel Selection
The EU standard sets maximum power transmission limits dependent on frequency, bandwidth
and application. A rough guidance applicable to the ZULU channel numbers is given below
Channel Number
0
1
2
3
4
Frequency Centre
(MHz)
868.400
868.900
869.450
869.600
869.800
EU Power Allowance
mW/dBm
25/14
25/14
100/20
100/20
25/14
Notes
Applicable standard EN300-220
All specifications are manufacturer’s data
© Interleader Limited 2014
26 of 38
07/10/2014