Arcom Controllers RC210 (M128 CPU) firmware v4.694

Arcom Controllers · Released Jun 10, 2007 · First seen Sep 9, 2026

Source: arcomcontrollers.com

v4.694 is not the latest firmware for the Arcom Controllers RC210 (M128 CPU): the current version is v6.0454 (January 5, 2021). Go to v6.0454

In short — summary by updatemystuff.com

Fixes CTCSS Encode drop issue with Pre Access Code and invalid DTMF sequences

  • CTCSS Encode now properly drops when Pre Access Code receives unrecognized DTMF
  • Requires RCP 5.17 or later (5.18 suggested)

Written from Arcom Controllers's release notes, which are printed in full below.

Was this useful?

What's in this update

Bug fixes

  • If Pre Access Code feature was being used, CTCSS Encode​ didn't always drop properly if an unrecognized DTMF sequence was sent to the controller.
  • Note: T​his firmware version requires RCP 5.17 or later (suggested RCP 5.18 however)

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Arcom Controllers

Watch the RC210 (M128 CPU) for updates

Create a free account and get an email the moment Arcom Controllers publishes new firmware.

Create account & watch

Changed since v4.693

  • If Pre Access Code feature was being used, CTCSS Encode didn't always drop properly if an unrecognized DTMF sequence was sent to the controller.

Other versions for this product

See the full firmware history for the RC210 (M128 CPU)