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Digitrax: RX4

Summary: The RX4 is a 4 zone transponder detector for use with Digitrax occupancy detection systems.

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Digitrax rx4.jpg
General information
DCC Category
Manufacturer Digitrax
MSRP 49.95 USD50.85 EUR <br />44.49 GBP <br />75.49 AUD <br />67.39 CAD <br />
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Manufacturer Part Number
Common Name
UPC Number
Release information

Product URL External Product Link
Product Manual URL External Product Link
Product Manual File File Link
Product Specifications File File Link <nowiki\>
Other File
RX4-BDL Worksheet
File Link
Has computer interface None
Firmware Upgrade Possible No
Misc Details


Used to collect rolling stock data within a transponder block. Can only be used by Digitrax system. Commonly used by software to help keep track of where items are located within the railway.


  • Know the layout zone location of transponder-equipped locos and rolling rolling stock
  • Each RX4 handles 4 transponding zones
  • Low current pulses will not interfere with DCC decoders or other track signals
  • Can be used in conjunction with other means of occupancy detection to customize your layout's feedback system
  • Works with most DCC compatible systems
  • Can be adapted to work with other command control systems as well
  • Location and identification information updated continuously on LocoNet
  • Location Information can be configured for display on a track diagram
  • No modification of existing equipment required, just add the transponding components
  • More features than any other method of bi-directional communication.

Note: RX4s must be used in conjunction with a Digitrax BDL16 series occupancy detector to function.


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