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User Manual

ManualsBrandsAdvanced RF Technologies ManualsElectronicsDuo-i6515NM, Duo-i6525NM, and Duo-i8030NM repeaters with digital filtering (800/900 MHz band)
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Duo-i6515/6525/8030NM
User Manual V1.6
Advanced RF Technologies, Inc. Proprietary Document Page 18 of 40
2.3.5 Line of Sight
The donor antenna which points towards the base station typically has a
narrow beam antenna pattern. As a result, a slight deviation away from the
direction of the BTS can lead to less than optimum results. In addition,
obstacles between the repeater and the BTS may impair the repeater from
obtaining any BTS signal. As a result, the repeater cannot transmit signal to
the coverage area. Therefore, a direct line of sight to the BTS for the donor
antenna is vital to the function of a repeater. For the same reason, placing the
server antenna in direct line of sight of the coverage area is also necessary.
Figure 10 - Direct Line of Sight to the BTS