text.skipToContent text.skipToNavigation

Configure Product
Saved Configuration
View Configuration
Terms and Conditions
Saved Addresses
Please validate your credit card and billing information.
Payment submission timed out. The server might be busy.
There was an error processing your request.
Please validate your credit card and billing information.
Please enter a card number
Please select a card type
Please enter a value for this field
Please enter first name
Please enter last name
Please enter a zipcode
Please enter an expiry month
Please enter an expiry year
Please enter an issue number
Please enter a start month
Please enter a start year
The card number is not valid
The card type is not supported
The card verification code is not valid
Zipcode is not valid
The expiry month is not valid
The expiry year is not valid
The issue number is not valid
The start month is not valid
The start year is not valid
This field is required
Errors were found with the address you provided. Please verify your address.
Date should be in MM/DD/YYYY format
Please enter valid values
Please enter future date
Please enter the shipping date
Shipment date is updated
Required Fields Missing or incorrect.
Required Fields Missing or incorrect.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, something went wrong on our side, please try again later or contact Customer Service.
We're sorry, something went wrong on our side, please contact Customer Service to avoid duplication.
We're sorry, something went wrong on our side, please contact Customer Service to avoid duplication.
Please confirm that you have entered the correct information for this credit card number.
We're sorry, there was an issue with your credit card, please contact your issuing bank.
This card is expired, please update the information or try another card.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, we're having trouble contacting your bank. Please try again later.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
Required Fields Missing or incorrect.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
Please confirm that you have entered the correct information for this credit card number.
Required Fields Missing or incorrect
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, there was an issue with your credit card, please try another form of payment.
We're sorry, something went wrong on our side, please try again later or contact Customer Service.
We're sorry, we're having trouble contacting your bank. Please try again later.
Required Fields Missing or incorrect.
We're sorry, something went wrong on our side, please contact Customer Service to avoid duplication.
Back To Top

Modems

If you need modems for your application, you can get them from Omega for less. We carry several... [+]
8 Products found
thumbnail
General Purpose Limited Distance Modem

The LDM30 Series of products is designed to allow video display terminals (VDTs) and other RS-232 devices to be connected over distances sufficient to cover any industrial ... Read More

LDM-30
Product Number Connection Type Power Source Type
LDM30-S
$172.20
3 In Stock
25 Pin Female/Screw Termination
Host-powered
LDM30-P
$172.20
Available
in 6 weeks
25 Pin Male/Screw Termination
Host-powered
LDM30-PT
$193.20
Available
in 6 weeks
25 Pin Male/Screw Termination
Transformer
LDM30-ST
$193.20
Available
in 6 weeks
25 Pin Female/Screw Termination
Transformer
thumbnail
Fully Isolated Limited Distance Modem, RS-232/422 Converter

The LDM422 is a compact RS-232 to RS-422 converter which features a complete electrical isolation barrier and heavy duty electrical surge protectors. These devices feature ... Read More

LDM422
Product Number Connection Type Power Source Type
LDM422-P
$320.25
4 In Stock
25 Pin Male
Host-powered
LDM422-PT
$346.50
Available
in 6 weeks
25 Pin Male
Transformer
LDM422-S
$320.25
Available
in 6 weeks
25 Pin Female
Host-powered
LDM422-ST
$346.50
Available
in 6 weeks
25 Pin Female
Transformer
thumbnail
Fully Isolated Limited Distance Modem, RS-232/485 Converter

The LDM485 is a compact RS-232 to RS-485 converter which features a complete electrical isolation barrier and heavy duty electrical surge protectors. These devices feature ... Read More

LDM485
Product Number Connection Type Power Source Type
LDM485-ST
$399.00
2 In Stock
25 Pin Female
Transformer
LDM485-P
$372.75
Available
in 6 weeks
25 Pin Male
Host-powered
LDM485-PT
$399.00
Available
in 6 weeks
25 Pin Male
Transformer
LDM485-S
$372.75
Available
in 6 weeks
25 Pin Female
Host-powered
thumbnail
Signal Powered Limited Distance Modem

The LDM35 Series of products is designed to allow video display terminals (VDTs) and other RS-232 devices to be connected over distances sufficient to cover any industrial ... Read More

LDM-35
Product Number Connection Type Power Source Type
LDM35-P
$174.30
1 In Stock
25 Pin Male/Screw Termination
Host-powered
LDM35-S
$174.30
Available
in 6 weeks
25 Pin Female/Screw Termination
Host-powered
thumbnail
Fully Isolated Limited Distance Modem

The LDM70 Series of products is designed to allow video display terminals (VDTs) and other RS-232 devices to be connected over distances sufficient to cover any industrial ... Read More

LDM-70
Product Number Connection Type Power Source Type
LDM70-P
$267.75
Available
in 6 weeks
25 Pin Male/Screw Termination
Host-powered
LDM70-PT
$294.00
Available
in 6 weeks
25 Pin Male/Screw Termination
Transformer
LDM70-S
$267.75
Available
in 6 weeks
25 Pin Female/Screw Termination
Host-powered
LDM70-ST
$294.00
Available
in 6 weeks
25 Pin Female/Screw Termination
Transformer
thumbnail
Signal Powered Fiber Optic Modem

The LDM80 is a small, inexpensive fiber optic transmitter/receiver completely powered by the host RS-232 port. The enclosure for the LDM80 is a conductive shell which great... Read More

LDM80
Product Number Connection Type Power Source Type
LDM80-P-025
$253.05
Available
in 6 weeks
25 Pin Male/ST fiber optic connector
Host-powered
LDM80-S-025
$253.05
Available
in 6 weeks
25 Pin Female/ST fiber optic connector
Host-powered
thumbnail
Fiber Optic Modem

The LDM85 is a small, inexpensive fiber optic transmitter/receiver. It features a complete RS-232 port as well as high speed TTL/RS-422/ RS-423 data transmit and receive. I... Read More

LDM-85
Product Number Connection Type Communications Range Power Source Type
LDM85-P-025
$388.50
Available
in 6 weeks
25 Pin Male/ST fiber optic connector
0-100K
Host-powered
LDM85-PT-025
$414.75
Available
in 6 weeks
25 Pin Male/ST fiber optic connector
0-100K
Transformer
LDM85-S
$388.50
Available
in 6 weeks
25 Pin Female/SMA (905) Fiber Optic Connector
0-100K
Host-powered
LDM85-ST
$414.75
Available
in 6 weeks
25 Pin Female/SMA (905) Fiber Optic Connector
0-100K
Transformer
LDM85-ST-025
$414.75
Available
in 6 weeks
25 Pin Female/ST fiber optic connector
0-100K
Transformer
  Load More Items from this family (2) ...
en-US
en
Save Configuration