RDS Encoder P232U

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RDS Encoder P232U



The P232U RDS Encoder is well suited for the vast majority of radio stations which use serial data channel (PC serial port, satellite link, serial over Ethernet) for the RDS content distribution. An independent USB communication port provides a simple way for local connection and configuration. The RDS encoder supports both dynamic and static operation. The device is equipped with standard analogue interface for seamless integration into the broadcast chain and interchangeability with other brand products.

Some features are unique: output data monitoring down to the bit level, direct conversion of XML tagging data to Radiotext Plus, port multiplication thru Windows control software and several others. Due to support of additional RDS2 data-stream, the P232U is future-proof equipment, ready for possible enhancements of the FM broadcasting.

This RDS encoder is characterized by proven concept, easy installation, great price and unsurpassed text processing capabilities. It maintains support for all RDS services and data formats that are commonly used.


  • Fully dynamic FM broadcast RDS encoder with two independent communication ports
  • Optically isolated RS-232 port, USB port
  • Control interface accepts ASCII commands, UECP protocol and X-Command
  • Text features include dynamic PS, parsing, scrolling, tagging, fixed messages and scheduling
  • Excellent compatibility with broadcast automation systems
  • External TA and Program set switch, bypass relay, switchable MPX loopthrough mode (Loop/Side)
  • Internal real-time clock
  • Supports separate data channel for station logo *)
  • Two switchable subcarrier configurations (RDS or RDS2)
  • Easy and fast set-up


RDS services directly supported by the unit


Program Identification




Program Service


Program-Item Number


Program Type


Extended Country Code


Traffic Program




Alternative Frequencies   


Transparent Data Channels


Traffic Announcement


In House Applications


Program Type Name


Open Data Applications


Decoder Identification


Clock-Time and Date


Enhanced Other Networks information  


Language Identification Code


Radiotext Plus


Traffic Message Channel


Technical specifications:

Supply voltage and current: 12 V DC stabilized, 250 mA
RDS/RBDS signal: conforms to CENELEC EN 50067 / EN 62106
Output level of RDS: adjustable from 0.0 to 4.0 V p-p in 256 steps
RDS signal bandwidth: +/- 2.4 kHz (50 dBc)
MPX leadthrough voltage gain: 1 (guaranteed from 2 Hz to 100 kHz)
19 kHz pilot PLL capture range:  +/- 4 Hz
Pilot tone level: min. 120 mV p-p
Phase shift adjust: full range in 9.5 degrees steps
Signal connectors: unbalanced, BNC
Data connectors: RS-232 9-pin male (DTE), USB B-type
Other connectors and indicators:  TA and Program switch, front panel LCD, pilot and operation LED
Program sets: 6
UECP protocol support: PI, PS, TA/TP, DI, MS, PTY, RT, X-Command, TMC, AF, 0D, 1C, 24, 40, 42 **
ASCII protocol support: Yes
Case: Compact, 190x150x45 mm, gray or black ABS
Recommended power supply: Wall mount adapter 12V/1A DC, 2.1x5.5mm barrel plug (+) inside

* In the meantime, the station logo is not fully supported by consumer FM receivers. Learn more...
** Follow the User Manual for details.