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14MM-SM90-5G 

INSTRUCTION MANUAL

Contents

1. Introduction
 

1.1. Product Description

 

1.2. Package Contents

2. Technical Specifications
3. Hardware Installation
 

Installing the smart amp

 

Duplicate channel switch off

 

Duplicate channel switch on

 

LTE filtering

 

How autoscan works

 

How to force channel scan

4. Safety Instructions
5. Conditions of Warranty

1.Introduction

1.1. Product Description

•  Scans all channels, amplifies the weak signals while    

keeping the strong channels

•  All output channels have an equal and stable output 

power

•  Treats even the most difficult situations with  

adjacent channels

•  Channels with the same frequency can be amplified in and 

re-located to the LTE band (switchable)

•  Fully automatic channel scan and process function upon 

double power start-up.

•  Fully automatic recognition of the applied country  

channel plan

•  SAW filters for LTE (4G or 5G) protection on all inputs
•  Outdoor weatherproof mast-head housing
•  DC Power over coax
•  All ports ESD protected

1.2. Package Contents

•  1 Smart Amp

Installing the Smart Amp

•  Connect your Terrestrial antennas to the Smart Amp*
•  Connect the Smart Amp output to the Power Supply
•  Connect your TVs to the Power Supply

Important: Mount the module vertically to the mast or a wall 
in a well-ventilated room and leave a minimum space of 15 
cm around the product to guarantee a maximum ventilation 
of the product
* The Smart Amp does not allow pass-through DC-power for 
pre-amplifiers or active antennas

How autoscan works

•  Plug in Power Supply
•  Status LED will blink green when scanning
•  Status LED solid green when autoscan ready (This can 

take up to 20 seconds)

•  Status LED red when error during scan. Unpower and 

repower within 6 seconds to restart autoscan

•  WARNING:

 do not turn off the power during SCAN

How to reprogram or force channel scan

•  When a power outage causes missing channels on your 

TV, a reset is needed

•  Reset: pull out the power supply and put it back in within  

6 seconds

•  The status LED will blink when re-scanning
•  If a power interruption lasts longer than 6 seconds, there 

is no channel scan and the initial settings are kept

•  Important note for installers! Make sure the end-user or 

installer can easily and safely unpower and  
repower device

2. Technical Specifications

LTE Filtering

2. Hardware Installation

Inputs

3

Outputs

4G/5G (CH51)

Frequency range

VHF BIII + UHF Automatic 
channel plan selection

LTE Band Rejection

>40

Output

1

Output Power

90 dBuv

LTE band Re-use

L2 = CH52-69 (694MHz-862MHz) 
Switch ON-OFF

Adjacent channel 
isolation

>35

Input sensitivity

40 dBuv

Operating temperature -20 to +50

Power Supply

External power supply

Power

12V/300mA (DC over coax) 
(9VDC-18VDC)

Unplug power supply

Less 

than

6 sec

Plug in power supply

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