- PSB2186HV1.1D
- Infineon Technologies
- ISDN ST U Interface, 192Kbps S/T transceiver with HDLC controller
- PSB2186HV1.1GD
- Infineon Technologies
- ISDN ST U Interface, 192Kbps S/T transceiver with HDLC controller, Tape and Reel
- PSB2186H
- Siemens Semiconductors
- Application Hints for passive ISDN-PC-Cards