User's Manual

Installation
RFI-148 & RFI-900 High Output Power Paging Transmitters User Manual Page 14 of 134
(2) This device must accept any interference, including interference that may cause undesired operation
of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada. L’exploitation est autorisée aux deux
conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage;
(2) l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en
compromettre le fonctionnement.
RF MPE SAFE DISTANCE CALCULATIONS AND APPROVED ANTENNA/TRANSMIT POWER
COMBINATIONS
RSS-119 limits the RFI-148 250 transmitter power to 110 W and SRSP-500 section 6.3 has an ERP limitation
of 125 W which is an EIRP limitation of 205 W.
Antenna
Gain
(dBi)
Gain
Transmit
power
(W)
EIRP
(W)
EIRP
max
(W)
Safe Distance at 153.5 MHz
Occupational /
Controlled
Exposure
General Public
/ Uncontrolled
Exposure
RFI Wireless SMD2
2
1.58
110
173.8
174
> 1.4 m
> 3.3 m
RFI Wireless
COL35
5
3.16
60
189.6
205
> 1.5 m
> 3.6 m
RFI Wireless
COL36
6.6
4.57
40
182.8
205
> 1.5 m
> 3.6 m
RFI Wireless YH03
8
6.31
30
189.3
205
> 1.5 m
> 3.6 m
RFI Wireless YH04
9
7.94
25
198.5
205
> 1.5 m
> 3.6 m
Table 2: MPE safe distance calculations with approved antenna/transmit power combinations
For further information on human RF exposure, contact your local health department.
FREQUENCY BAND
RSS compliance is currently limited to the 153.5 – 159.5 MHz frequency band.
2.4.4 Modifications
CAUTION: Changes or modifications not expressly approved by STI Engineering will void the user’s
authority to operate the equipment legally, as well as any warranty provided.