Andrew DB860 Installation guide

Brand: Andrew

Model: DB860

Category: Network antennas

Type: Installation guide

Andrew DB860

Andrew DB860 is a highly capable directional panel antenna that provides excellent performance for a wide range of applications. With its rugged construction and versatile mounting options, the DB860 is well-suited for use in both indoor and outdoor environments.

The DB860 features a wideband design that covers a frequency range of 824-960 MHz. This makes it an ideal choice for use with a variety of wireless technologies, including cellular, PCS, and AWS. The antenna's high gain and low VSWR ensure that you will get the most out of your wireless signal.

The DB860 is constructed of durable materials that can withstand harsh weather conditions. The antenna is also UV-resistant, so you can be sure that it will last for years to come.

Andrew DB860

The DB860 is constructed of durable materials that can withstand harsh weather conditions. The antenna is also UV-resistant, so you can be sure that it will last for years to come.

GENERAL INFORMATION

These antennas generally measure 6.1" (155 mm) in width,

2.8" (71mm) in depth; and range from 12" to 72" (305 to

1,829 mm) in length. Each antenna is supplied with either a

DB390 (Figure 1) or DB390-3 standard mounting kit. The

DB390 kit consists of two identical galvanized pipe clamps

and hardware; whereas, the DB390-3 kit includes a third pipe

clamp and additional hardware for antennas requiring three

brackets. These assembled clamps can be used on round

members measuring 1-1/4 inches (31.8 mm) to 5-1/2 inches

(139.7 mm) O.D. or on angle members measuring up to

2.5" (63.5 mm) on a side.

Optional offset kits (DB391 or DB391-3) are available and

can be ordered separately, providing enhanced cable clear-

ance for antennas that have connectors on the back. Con-

tact an Andrew representative for more information on the

DB391 (Figure 6) or DB391-3 offset kits.

Optional downtilt kits or a wall variable-azimuth kit can also

be ordered separately from Andrew. Downtilt kits designed

for these antennas are the DB5098, a standard downtilt kit,

and DB5099, an extended range downtilt kit. These downtilt

kits include an angle indicator on the lower mounting bracket.

DB5094-AZ, optional wall variable-azimuth kit, offers +45°

to -45° azimuth rotation to minimize clearance from the wall.

DB5094-AZ can be used in conjunction with the DB5098 or

DB5099 downtilt kits.

Detailed installation instructions are supplied with the

DB5098, DB5099, and DB5094-AZ optional kits.

INSTALLATION INSTRUCTIONS

1. Remove the antenna and hardware from the ship-

ping box and inspect it for physical damage.

2. Inspect the antenna feed connector to ensure that it

mates with the transmission line.

3. Check the labels on the back of the antenna and verify

that the frequency range to which the antenna has been

tuned matches the frequency range of the station equip-

ment.

Installation Instructions

Bulletin 095341-000

Revision G • December 2003 • Page 1 of 4

Directional Panel Antennas

DB860, DB920, DB930, DB950, DB960, DB970,

and DB980

Do not install near power lines. Power lines,

telephone lines, and guy wires look the same.

Assume any wire or line can electrocute you.

Do not install on a wet or windy day or when

lightning or thunder is in the area. Do not use

metal ladder.

Wear shoes with rubber soles and heels.

Wear protective clothing including a long-

sleeved shirt and rubber gloves.

NOTICE

The installation, maintenance, or removal of an antenna

requires qualified, experienced personnel. Andrew installation

instructions are written for such installation personnel.

Antenna systems should be inspected once a year by qualified

personnel to verify proper installation, maintenance, and

condition of equipment.

Andrew disclaims any liability or responsibility for the results

of improper or unsafe installation practices.

(continued on page 2)

Figure 1. DB390 Standard Pipe Mounting Kit.

Bulletin 095341-000 • Revision G • December 2003 • Page 2 of 4

Directional Panel Antennas Andrew Corporation

(Continued from page 1)

Figure 2. Mounting Antenna to Mast Using DB390 Kit.

Bulletin 095341-000 • Revision G • December 2003 • Page 3 of 4

Andrew Corporation Directional Panel Antennas

(Continued from page 2)

4. Locate the four mount-

ing brackets (two with

tabs and two without

tabs). Note the two

brackets with tabs

mate with the U-brack-

ets on the back of

the antenna (Figures 1

and 2).

5. Insert the 6" bolts into

the brackets with tabs

as shown in Figure 2.

Note: Once the clamp

is attached to the

antenna, there will not

be enough room

between the clamp

and the back of the

antenna to feed the 6"

bolt into the clamp.

6. Using the 1-1/2" bolts,

lock washers and nuts,

attach the assembled

bracket with tabs to the

antenna U-brackets

(Figure 2).

Note: One end of the antenna is labeled with an

"up" arrow. This end should point upward when the

antenna is mounted; this will allow the antenna's

drain hole to point downward.

7. Bring the antenna into position on the tower and se-

cure it using the brackets without tabs and hardware

provided as shown in Figures 2 and 3. To avoid twisting

the antenna, ensure that the top and bottom mounting

clamps are aligned with each other (Figure 4). Securely

tighten all hardware.

8. A check of the antenna VSWR as measured at the an-

tenna is recommended at this point. Note this measure-

ment carefully and record it for future reference.

9. After checking the VSWR, the station transmission line

(not supplied) should be connected to the antenna us-

ing a male N-type connector or a 7-16 DIN connector,

depending upon the antenna model. Make the connec-

tion snug, but do not apply heavy force with pliers.

10. To avoid moisture problems, carefully wrap all connec-

tions with VAPOR-WRAP

(part no. DB11316 or

DB11317), smoothing it into the cracks and over the

outer jacket of the transmission line. Failure to water-

proof the connection will result in improper operation of

your antenna.

11. Secure the transmission line to the tower in the best

Figure 3. Attaching Antenna to

a Mast Using DB390 Kit.

Figure 4. Aligning Top and

Bottom Brackets.

position to avoid physical

damage to the cable.

12. After the antenna

and transmission line have

been installed, a careful vi-

sual check should be made

to ensure that:

• All mechanical connec-

tions have been made and

the antenna is mounted with

sufficient physical clearance.

• The "up" arrow is point-

ing upward and the drain

holes in the end cap are ori-

ented downward.

• All connections have been

carefully wrapped to pre-

vent moisture problems.

Figure 5. Two antennas

“Stagger Mounted.”

MOUNTING

MULTIPLE ANTENNAS

Up to three antennas can be

mounted on a single mast;

however, several factors

must be considered to deter-

mine the proper mounting

method. When two or three

antennas are mounted on the

same mast, typical isolation is

45 dB or greater. The degree

of offset around the mast

combined with the diameter of

the mast must also be consid-

ered.

When two or three antennas

are mounted on a single mast, the mounting brackets will pre-

Bulletin 095341-000 • Revision G • December 2003 • Page 4 of 4

Directional Panel Antennas Andrew Corporation

Andrew Corporation

Base Station Antennas

8635 Stemmons Freeway

Dallas, TX U.S.A. 75247

Telephone: 1-800-676-5342

FAX (U.S.A.): 1-800-229-4706

Internet: www.andrew.com

Customer Service, 24 Hour: U.S.A. • Canada • Mexico: 1-800-255-1479

U.K.: 0800 250055

Other Europe: +44 1592 782612

Printed in U.S.A.

Figure 6. DB391 Optional Offset Mounting Kit.

vent the antennas from being aligned on the same horizontal

plane. As a result, the antennas must be "stagger-mounted"

(i.e. each antenna should be mounted approximately 2 inches

lower than the one above it on the mast). See Figure 5.

DB391 INSTALLATION INSTRUCTIONS

FOR OFFSET MOUNTING

The DB391 offset mounting kit includes 2 bracket assem-

blies that provide a 4.8 inch offset from the mast centerline.

This feature allows enhanced cable clearance for antennas

with connectors located on the back (Figure 6). The DB391

offset assembly can be mounted on either side of the mast

or in-line (Figure 7).

1. If the antenna has been previously installed with DB390

hardware, remove the mounting brackets from the an-

tenna and from the mast.

2. Determine which direction of offset is desired, or whether

the antenna is to be mounted in-line with the mast (Fig-

ure 7.)

3. Follow the steps discussed in the INSTALLATION IN-

STRUCTIONS section of this instruction sheet, using

the DB391 mounting brackets with tabs (Figure 6).

Top View

With No Offset

Top View

With Left Offset

Top View

With Right Offset

Figure 7. Possible Mounting Configurations

Using DB391 Offset Kit.

(Continued from page 3)

Andrew DB860 Installation guide

Brand: Andrew

Model: DB860

Category: Network antennas

Type: Installation guide

Andrew DB860

The DB860 is constructed of durable materials that can withstand harsh weather conditions. The antenna is also UV-resistant, so you can be sure that it will last for years to come.

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Andrew DB860 Installation guide

Andrew DB860 Installation guide

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