User's Manual

19
User’s Manual
3. Hardware Installation
Note
Enough isolation?
Antenna isolation = Path loss between the server antenna port and the donor
antenna port
Antenna isolation Repeater max. gain +15dB
If antenna isolation < Repeater max. gain +15dB
→
System oscillation or Low gain
Tri MINI
Plugged in an
AC outlet
Base
Station
Mobile
Station
Donor antenna
for iDEN
Donor antenna
for CDMA
Service
Antenna
Tri MINI
Plugged in an
AC outlet
Base
Station
Mobile
Station
Donor antenna
for iDEN and CDMA
Service
Antenna
2Way
Divider
Model Max Gain
Minimum required isolation
(@Max Gain)
RSN-TRI-25/24-DC
40dB to 80dB(CDMA)
≥95dB(80dB+15dB)
50dB to 80dB(iDEN)