NETGEAR ANT24O5 Manuel utilisateur

Installation Guide

5 dBi Omni-directional Antenna

ANT24O5

NETGEAR ANT24O5 Install.qxd 7/2/03 7:10 AM Page 1

Introduction

This section introduces the package contents of the NETGEAR 5 dBi Omni-directional

Antenna ANT24O5 and related components.

NOTE: To obtain optimal results in extending wireless range with antenna installations, it is

recommended that a qualified professional installer service is consulted for site survey and

proper installation.

To comply with FCC rules the ANT24O5 antenna should only be used with devices that

have been FCC approved for use with the ANT24O5. Please check the NETGEAR web site

at http://www.NETGEAR.com/go/antennas_fcc for an updated list of FCC approved devices.

For EU, use of any antenna requires careful planning and extra consideration to comply with

EU emissions and health standards and regulations. Antenna installation must comply with the

maximum level authorized by each country.

Package Contents

The package should contain:

• NETGEAR 5 dBi Omni-directional Antenna ANT24O5 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

Installation Guide,Warranty card and

Support information card 5 dBi Antenna

ANT24O5

NETGEAR ANT24O5 Install.qxd 7/2/03 7:10 AM Page 2

Figures 1 and 2 show where one could place the ANT24O5 for best coverage in an office. In

Figure 1, the ANT24O5 is placed on the ceiling in the middle of the area to cover. In Figure 2,

the ANT24O5 is placed in an elevated location on an interior wall, above and facing the

indoor coverage. Notice that the area close to the antenna, behind or beside it, will still be

covered because the dynamic range of the WLAN transmitter/receiver and antenna is

approximately 100dB. So, even with 20dB to 40dB of attenuation, the signal strength is still

strong and communication is maintained.

Placement and Other Important Considerations

In order to maximize coverage, antennas must be placed in a good spot. A lot of improvement

can be achieved by optimizing the line of sight between antennas. Try to minimize the

partitions and partial obstructions if possible. For instance, place the antenna on a wall above

the cubicles (cubicles generally include a metal foil). Ideal placement is against a wall, 2m high,

or on the ceiling facing the area to cover.

The longer the antenna cable, the higher the attenuation, or signal loss. This will decrease the

range and performance. The best performance is achieved with 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.

If the wireless access point, router or gateway is in a IT room, place the antenna outside of the

room close to the ceiling against a wall. Use a NETGEAR antenna cable of up to 10 meters in

length to connect the antenna to the wireless access point.

Approximate

coverage area

Cubicles

1.5m high

ANT24O5

Figure 2: Optimal antenna placement on an interior wall

Approximate

coverage area

Cubicles

1.5m high

ANT24O5

Figure 1: Optimal antenna placement on the ceiling

NETGEAR ANT24O5 Install.qxd 7/2/03 7:11 AM Page 4

Wireless device with two antennas, but replacing only the

primary antenna

Wireless device with two antennas, but replacing both the

primary and secondary antennas

Installing the Antenna

The instructions below cover these scenarios:

• Wireless device with a single antenna

• Wireless device with two antennas, but replacing only the primary antenna

• Wireless device with two antennas, but replacing both the primary and secondary antennas

Turn off your wireless unit, locate the scenario below that fits your equipment, and connect

your wireless accessories according to the illustration. After attaching your new antenna,

reconnect your wireless device to the network and turn it on.

Wireless device with a single antenna

ETHERNET

RESET

5-12V DC

Wireless Access Point

Primary Secondary

Antenna

Connection

NETGEAR antenna cable

5 dBi Antenna

ANT24O5

Antenna executes

both transmit and

receive function.

ETHERNET

RESET

5-12V DC

Wireless Access Point

Primary Secondary

Antenna

Connection

NETGEAR antenna cable

5 dBi Antenna

ANT24O5

5 dBi Antenna

ANT24O5

Antenna executes

receives function

only.

Antenna executes

both transmit and

receive function.

ETHERNET

RESET

5-12V DC

Wireless Access Point

Antenna

Connection

NETGEAR antenna cable

5 dBi Antenna

ANT24O5

Antenna executes

both transmit and

receive function.

NETGEAR ANT24O5 Install.qxd 7/2/03 7:11 AM Page 6

The ANT24O5 built-in cable specifications are listed here.

Horizontal Plane Radiation Pattern (X-Y, Azimuth)

Specifications

Description

138 dB/100 m = 42 dB/100 ft @ 2.4 GHz

Type

Length

External Diameter

Impedance

SWR

13 mm = 0.5 in

Loss

RG318

10 cm = 3.9 in

2.5 mm

50 ± 5 Ohms

1.5 maximum

10cm RG318

Minimum bend radius

180 0

330

300

150

210

240

270

120

-30

Top View

Description

2.0 maximum

Frequency Range

Type

Impedance

Maximum Input Power

SWR

-10 dB

Return Loss

2450 ± 50MHz

Patch

50 ± 5 Ohms

20W (without N/SMA adapter)

ANT24O5, 5 dBi Omni-directional

Antenna with a 10cm RG318 cable and

reverse female jack SMA connector

5 dBi

Gain

Directional

Radiation

Vertical

Polarization

HORZ 120 ° VERT 110 °

Beam Degree

SMA Female reverse

Connector Type

PC+ABS

Material

WHITE

Color

STEEL

Mounting Base

-20 to 65° C (-4 to 149° F)

Operation Temperature

-30 to 80° C (-22 to 176° F)

Storage Temperature

99.2 x 53.9 x 27.5 mm/3.91 x 21.2 x 1.08 in

Device Size (l x w x h)

55 g/.12 lb.

Weight

2 years

Warranty

NETGEAR ANT24O5 Install.qxd 7/2/03 7:11 AM Page 8

Statement of Conditions

In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to

make changes to the products described in this document without notice. NETGEAR does not assume any liability

that may occur due to the use or application of the product(s) or circuit layout(s) described herein.

Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful interference to radio communications. However, there is

no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the following measures: (1) Reorient or relocate the

receiving antenna, (2) Increase the separation between the equipment and receiver, (3) Connect the equipment into an

outlet on a circuit different from that to which the receiver is connected, (4) Consult the dealer or an experienced

radio/TV technician for help.

Federal Communications Commission (FCC) Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to

avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not

be less than 20 cm (8 inches) during normal operation.

This device should not be co-located with other transmitters.

For EU, use of any antenna requires careful planning and extra consideration to comply with EU emissions and health

standards and regulations. It is recommended that a qualified professional installer service is consulted for site survey

and proper installation. Antenna installation must comply with the maximum level authorized by each country.

Vertical Plane Radiation Pattern (X-Z, Elevation)

Radiation Pattern (Y-Z, Elevation)

180 0

330

300

150

210

240

270

120

-30

Side View

Front

180 0

330

300

150

210

240

270

120

-30 Bottom View

Front

NETGEAR ANT24O5 Install.qxd 7/2/03 7:11 AM Page 10

Technical Support

PLEASE REFER TO THE SUPPORT INFORMATION CARD THAT SHIPPED WITH

YOUR PRODUCT.

By registering your product at www.NETGEAR.com/register, we can provide you with faster

expert technical support and timely notices of product and software upgrades.

NETGEAR, INC.

Support Information

Phone: 1-888-NETGEAR (For US & Canada only) - 24x7 phone support

See Support Information card for other countries.

E-mail: support@NETGEAR.com (24x7 online support)

www.NETGEAR.com

Everybody's Connecting are trademarks or registered trademarks of Netgear, Inc. in the United

States and/or other countries. Microsoft and Windows are registered trademarks of Microsoft

Corporation in the United States and/or other countries. Other brand and product names are

trademarks or registered trademarks of their respective holders. Information is subject to change

July 2003

*M-10081-02*

M-10081-02

NETGEAR ANT24O5 Install.qxd 7/2/03 7:11 AM Page 12

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