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030‐300302 Rev. A

R

Section AWC‐TMV‐850‐301

1312I1RA

5

low). Once an RMA number is obtained, return the defective
unit (freight prepaid), with a brief problem description, to the
address we will provide to you when you contact us.

Voice: 630‐375‐4457
email: [email protected]

Replacements will be shipped in the fastest manner consistent
with the urgency of the situation. Westell will continue to repair
or replace faulty equipment beyond the warranty period for a
nominal charge. Contact Westell for details.

7.

SPECIFICATIONS

7.1

Regulatory/Agency Specifications

The TMA is designed to meet the following regulatory, safety,
or environmental specifications or requirements:

S

IP67

7.2

Ordering Specifications

To order units, call the telephone number shown in Part

 

5

 

and

please specify a specific model number shown in Table 1.

Part #

Description

AWC‐TMAV‐850‐FB

Variable Gain, 850 MHz, Full Band, Tower Mounted
Amplifier

Westell sells a complete line of TMAs. Call Westell for further information.

Table 1.    Ordering and Option Information

7.3

Electrical and Physical Specifications

The electrical and physical specifications are listed in Table 2.
See Figure 6 for two‐dimensional drawings and additional
product dimensions.

Specification

RX

TX

R

F

 Pe

rf

o

rm

a

n

c

e

Frequency range

824‐849 MHz

869‐894 MHz

Gain / NF

Gain (dB)

NF (typ.)

13

1.20

12

1.24

11

1.30

10

1.36

9

1.44

8

1.54

7

1.67

6

1.82

5

2.00

4

2.20

3

2.48

N/A

Return loss

> 18 dB (active mode)
> 16 dB (bypass mode)

> 18 dB

Insertion loss

1.2 dB (Bypass, typ.)

0.3 dB

Output 3

rd

 Order 

Intercept Point

+24 dBm

N/A

Power Handling

 (CW / PIP)

N/A

500 W / 5 kW

Passive Intermodulation

N/A

-115 dBm

E

le

c

tr

ic

al/

C

o

mmunic

a

ti

on

Power Consumption

1.9 W @ 12 VDC,  4 W @ 24 VDC

Surge Protection: DC
Path

8/20 us 10 kA pulse arrester 75 V, and 1.5 kW TVS 33 V

Lightning Protection

Internal shorted stubs

Reverse DC Voltage
Protection

-30 VDC

Protocol / Alarms

Automatic Detection ‐ AISG or Current Window Alarm

Specification

Description

P

h

y

s

ic

a

l & E

n

v

ir

o

n

m

e

n

ta

l

Dimensions (H x W x D)

9”H x 6.6”W x 4.1”D (excluding connectors & brackets)

Dimensions (H x W x D)

12.2” x 6.6” x 4.5” (including connectors & brackets)

Weight

13.75 lbs

Color

Off­white

RF Connector Type

Long neck, 7/16 DIN, female

Ground Connector

M5 bolt

Mounting Type

Pole/post, wall, pedestal; 2 mounting brackets provided

Operating Temperature

­40

_

C to +65

_

C

Lightning protection

8/20s 10 kA pulse

8/20s 10 kA pulse

Weather Rating

IP67  (IEC 60529)

Table 2.   TMA Specifications

Summary of Contents for AWC?TMAV?850?FB

Page 1: ...e shown in the following list S Advanced balanced LNA design with variable gain capability S Low noise figure return loss and bypass insertion loss S Compact size S Heavy duty top and bottom mounting brackets with various mounting holes to accept mounting bolts screws and mounting straps or bands S Two female 7 16 DIN connectors at the bottom of the unit one for antenna connection and one for BTS ...

Page 2: ... TMA directly by the eNodeB 3 2 Verifying Functionality Prior to Mounting Prior to mounting the TMA on the tower verify proper opera tion of the unit by following the steps listed in either Paragraph 3 2 1 3 2 2 or 3 2 3 below depending on the powering method 3 2 1 Powered from the PDU using a CIM When power is from the Power Distribution Unit PDU such as a Westell AWC PDU 6 using a Current Inject...

Page 3: ...A to a wall will vary by situation so only the installer can decide the details of the mounting However par ticular attention to grounding will be required as the wall itself will not provide an adequate ground connection 3 4 2 Mounting the TMA to a Pole Follow the steps below to mount the TMA to a pole as shown in Figure 4 1 Gather tools and equipment The following tools may be needed to mount th...

Page 4: ... are tight and weatherized This is the primary failure mode for the TMA so always check these connec tions thoroughly for tightness and proper weatherproofing PAINTING NOTE If the TMA is painted at the job site be sure that all mounting bracket holes connectors and the five holes for ventilation on the back of the TMA are masked prior to painting and checked for paint after painting 3 5 Adjusting ...

Page 5: ...cations are listed in Table 2 See Figure 6 for two dimensional drawings and additional product dimensions Specification RX TX RF Performance Frequency range 824 849 MHz 869 894 MHz Gain NF Gain dB NF typ 13 1 20 12 1 24 11 1 30 10 1 36 9 1 44 8 1 54 7 1 67 6 1 82 5 2 00 4 2 20 3 2 48 N A Return loss 18 dB active mode 16 dB bypass mode 18 dB Insertion loss 1 2 dB Bypass typ 0 3 dB Output 3rd Order ...

Page 6: ... 6 Dimensions and Views 8 972 11 483 TOP BOTTOM 6 656 4 54 ANT BTS FRONT SIDE 42 5 889 1 69 84 1 1 1 1 1 78 385 1 395 6 656 385 4 85 4 12 1 94 3 14 1 2 75 1 98 1 98 75 5 4 497 3 51 1 57 ISOMETRIC VIEW OF TOP REAR VIEW OF TOP BRACKET BRACKET REAR VIEW 0 695 1 57 ...

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