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Electronics

For technical assistance

call: 

323-465-2131

CALRAD

R

The 

72-149

 provides a simple solution for providing ethernet connectivity over RG59 \ RG6u coax. Extends any networking devices 

up to over 1,600 ft. at 100Mbps supports Full Duplex and Half Duplex modes. The 

72-149

 is completely transparent to all protocols 

and applications. Works with IP CCTV camera’s, VOIP Phones and all consumer based IP technologies like Computers, Smart TV’s, 
Digital STB’s, Network Switches, Wireless Access Points, etc.. Includes two Bi-directional Transmitter and Receiver units each unit 
acts as a Transmitter and or Receiver. Easy to configure dip switches for connectivity options. 1 x L.E.D. Power Indicator, 2 x Mode 
settings L.E.D. indicators, 2 x RJ45 network data L.E.D. indicators. Includes 2 x 

72-149

 Transmitter\Receiver units, 2 x 12Vdc power 

supplies.

Typical Hookup    

Features \ Technology     

For all the latest product information visit our website at: www.calrad.com

2 x 72-149 Ethernet Extenders
2 x DC Power Supplies

Part No.

 72-149

Ethernet over

RG59, RG6U

Coax Extender,

10/100Mbps

Specifications

Copyright C

ALRAD

 E

LECTRONICS

 2020

All specifications subject to change without notice

Package Contents

Power Supplies

Function

Settings

(Dip Switches)

Power
12Vdc

Power
12Vdc

Function

Settings

(Dip Switches)

L.E.D.

Indicators

L.E.D.

Indicators

CALRAD

Part No. 

72-149

Ethernet over Coax Extender

Transmitter\Receiver

Ethernet Extender

1

ON

2 3 4

1

ON

2 3 4

FUNCTION

LINK SPEED

ETHERNET

LONG DISTANCE

100BASE-T1

10M

1

2

3
4

100M

OFF

OFF
OFF

ON

ON
ON

CALRAD

Part No. 

72-149

Ethernet over Coax Extender

Transmitter\Receiver

Ethernet Extender

1

ON

2 3 4

1

ON

2 3 4

FUNCTION

LINK SPEED

ETHERNET

LONG DISTANCE

100BASE-T1

10M

1

2

3
4

100M

OFF

OFF
OFF

ON

ON
ON

BNC
Jack

BNC
Male

BNC
Male

BNC
Jack

Ethernet

Jack

Ethernet

Jack

RG59, RG6U

Coax Cable

NVR

SWITCH

IP CAMERA

COMPUTER

(Point to Point Transmission)

Cat5e, Cat6

UTP Cable

Cat5e, Cat6

UTP Cable

MAX

100 Mbps

10 Mbps

1,650 ft.

MAX

100 Mbps

10 Mbps

429 ft.
825 ft.

MAX

100 Mbps

10 Mbps

429 ft.
825 ft.

3,300 ft.

Front View

Rear View

100M

10M

1

2

1

ON

2 3 4

SETTING

DC 12V

+

ON

STATUS

STATUS

1

2

Transmitter\ Receiver

Transmitter\ Receiver

12Vdc
Power

Supply

12Vdc
Power

Supply

72-149-02212020-WB

Page 1 of 2

Example(A)

Example(B)

Example(A)

Example(B)

Product Instructions

Network Standards: 

IEEE 802.3 10 BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Internet, IEEE 

802.3 bw 100BASE-T1 Ethernet, IEEE 802.3 Nway Auto-Negotiation, IEEE 802.3x Full Duplex 
Operation and Flow Control, IEEE 802.3az Energy Efficient Ethernet.

Data Rate:

 10Mbps \ 100Mbps, 

Supports: 

Auto MDI\MDI-X

RJ45 Distance Cat5e (Max): 

100BASET-TX (

429 ft.

) / 10BASE-T (

825 ft.

), 100BASE-T1 (

900 ft.

), 

Long Distance 100 Mbps (

1,650 ft.

) / 10 Mbps (

2,640 ft.

).

Ethernet Connector:

 1 x RJ45 Jack, Built-in 1.5KV (Line to Line) Surge Protection

Coaxial Connector:

 1 x BNC 75 Ohm, Built-in 30KV (ESD) and 30A (Lightning) Surge Protection

Panel L.E.D. Indicators: 

Green (

Power

), Blue (

Mode1, Mode2

)

Ethernet RJ45 L.E.D. Indicators: 

100 Mbps (

Green

), 10 Mbps (

Yellow

)

Power Supply: 

2 x 12Vdc, 0.5Amps

Dimensions:

 L-3.55” x W-1.93” x H-1.0”,

Color: 

Black, 

Mounting:

 Single Mounting tab with 3 holes

Network Data

Green, Yellow

Status L.E.D.’s

 72-149

 72-149

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