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)NSTALLATION'UIDE

5 dBi Omni-directional Antenna ANT2405

Note:

 For optimal results in extending wireless range with antenna installations, consult a 

qualified professional installer service for a site survey and proper installation. For a list of 
devices approved by the FCC for use with the antenna, see the NETGEAR website at 
http://tools.netgear.com/legal/fcc_antennas.html. 

Package Contents 

The package includes: 

NETGEAR 5 dBi Omni-directional Antenna 
ANT2405 including a 10 cm RG316 cable with a 
reverse SMA connector for IEEE 802.11b or 802.11g 
wireless devices 

Ceiling/wall mount bracket hardware 

Warranty card 

Support information card 

Antenna Cable 

The longer the antenna cable, the higher the signal loss (attenuation). This decreases range 
and performance. For best performance, use a short cable between the antenna and the 
wireless device. The shortest FCC-approved antenna cable is the NETGEAR 1.5 M 
(ACC-10314-01) cable. For optimal performance, use a low-loss NETGEAR antenna 
cable up to 10 meters long. 

Specifications for 10 cm RG316 Antenna Cable (Included in the Package)

Type

RG316

Length

10 cm (3.9 in)

External diameter

2.5 mm

Impedance

50 +/- 5 Ohms

SWR

1.5 maximum

Loss

138 dB/100 m (42 dB/100 ft) at 2.4 GHz

Minimum bend radius

2.5 mm (1 in)

Antenna Placement and Location 

To maximize coverage and performance, place the antenna within the line of sight of your 
wireless devices. Try to minimize partitions and objects that block the line of sight if 
possible. 

For a ceiling installation, place the antenna in the middle of the coverage area. 

For a wall installation, place the antenna on an interior wall above cubicles (cubicles 
generally include a metal foil). Ideal placement is 2 meters high.

If the wireless access point, router, or gateway, is in an IT room, place the antenna 
outside the room against a a wall and close to the ceiling. 

The area close to, behind, or beside the antenna will be covered, because the dynamic 
range of the WLAN transmitter/receiver and antenna is approximately 100 dB. Even with 
20 dB to 40 dB or attenuation, the signal strength is still strong and communication is 
maintained. 

Approximate

coverage area

Omni-directional
antenna ANT2405

Omni-directional

antenna ANT2405

Approximate

coverage area

Installing the Antenna 

Turn off your wireless access point, and connect your ANT2405 antenna. If your wireless 
access point is new, follow the access point installation instructions. If you are upgrading 
an existing access point, turn it on again. 

Wireless Device with 1 Antenna 

Wireless Device with 2 Antennas: Replacing the Primary Antenna 

Wireless Device with 2 Antennas: Replacing Both

Wireless access point

NETGEAR

antenna
cable

Wireless access point

NETGEAR

antenna
cable

Wireless access point

NETGEAR

antenna

cables

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