<![CDATA[Model Railroad Control Systems: New Products - Telephone]]> https://www.modelrailroadcontrolsystems.com Wed, 15 Apr 2026 15:59:05 +0000 <![CDATA[SIN03 Ringing Generator Breakout]]> https://www.modelrailroadcontrolsystems.com/sin03-ringing-generator-breakout/ Wed, 12 Nov 2025 11:21:33 +0000 https://www.modelrailroadcontrolsystems.com/sin03-ringing-generator-breakout/ SIN03 Breakout Board with Module

Breakout board for Power Components (long since discontinued but available on marketplaces from time to time) Ring Generator Module:

The board:

  • has a connector to..

    Price: $50.00

    ]]> SIN03 Breakout Board with Module

    Breakout board for Power Components (long since discontinued but available on marketplaces from time to time) Ring Generator Module:

    The board:

    • has a connector to..

      Price: $50.00

      ]]> Breakout board for Power Components (long since discontinued but available on marketplaces from time to time) Ring Generator Module:

      The board:

      • has a connector to..]]> <![CDATA[ProMini]]> https://www.modelrailroadcontrolsystems.com/promini/ Wed, 02 Jul 2025 19:58:52 +0000 https://www.modelrailroadcontrolsystems.com/promini/ This is the Sparkfun Format ProMini (A4-A7 in the middle) and it's used on the Morse Code Buzzer Controller, but will work in the cpNode-PM and BB-ProMini. The cpNode-PM and BB-PM can use the more common DFRobot format, which should be less expensive on various m..

        Price: $15.00

        ]]>         This is the Sparkfun Format ProMini (A4-A7 in the middle) and it's used on the Morse Code Buzzer Controller, but will work in the cpNode-PM and BB-ProMini. The cpNode-PM and BB-PM can use the more common DFRobot format, which should be less expensive on various m..

        Price: $15.00

        ]]>         This is the Sparkfun Format ProMini (A4-A7 in the middle) and it's used on the Morse Code Buzzer Controller, but will work in the cpNode-PM and BB-ProMini. The cpNode-PM and BB-PM can use the more common DFRobot format, which should be less expensive on various m..]]>         <![CDATA[MorseKOB Sounder Driver]]> https://www.modelrailroadcontrolsystems.com/morsekob-sounder-driver/ Fri, 31 May 2024 11:42:21 +0000 https://www.modelrailroadcontrolsystems.com/morsekob-sounder-driver/ Morse KOB Sounder Driver board

        MorseKOB Sounder Driver

        The MorseKOB Sounder Driver is a simple circuit board to drive a real telegraph sounder from the popular freeware American (“Railroad”) Morse code practice utility: MorseKOB. Morse..

        Price: $15.00

        ]]>         Morse KOB Sounder Driver board

        MorseKOB Sounder Driver

        The MorseKOB Sounder Driver is a simple circuit board to drive a real telegraph sounder from the popular freeware American (“Railroad”) Morse code practice utility: MorseKOB. Morse..

        Price: $15.00

        ]]>         MorseKOB Sounder Driver

        The MorseKOB Sounder Driver is a simple circuit board to drive a real telegraph sounder from the popular freeware American (“Railroad”) Morse code practice utility: MorseKOB. Morse..]]> <![CDATA[Ringing Generator Module Break Out Board - Bare Board, Panel of 2]]> https://www.modelrailroadcontrolsystems.com/ringing-generator-module-break-out-board-bare-board-panel-of-2/ Sun, 17 Sep 2023 15:03:36 +0000 https://www.modelrailroadcontrolsystems.com/ringing-generator-module-break-out-board-bare-board-panel-of-2/ Breakout Board with PowerDsine PCR-SIN01-V12F00A module

        This board provides a convenient mounting for several types of PowerDsine ™ and Black Magic ™ modules which produce 20Hz ringing signals from 5- or 12-volt DC inputs. As far as I can tell, these modules are all out of production, but they appear for..

        Price: $6.00

        ]]> Breakout Board with PowerDsine PCR-SIN01-V12F00A module

        This board provides a convenient mounting for several types of PowerDsine ™ and Black Magic ™ modules which produce 20Hz ringing signals from 5- or 12-volt DC inputs. As far as I can tell, these modules are all out of production, but they appear for..

        Price: $6.00

        ]]>         This board provides a convenient mounting for several types of PowerDsine ™ and Black Magic ™ modules which produce 20Hz ringing signals from 5- or 12-volt DC inputs. As far as I can tell, these modules are all out of production, but they appear for..]]>         <![CDATA[Screw Terminal and Modular adapter for ATSN]]> https://www.modelrailroadcontrolsystems.com/screw-terminal-and-modular-adapter-for-atsn/ Wed, 13 Sep 2023 21:35:37 +0000 https://www.modelrailroadcontrolsystems.com/screw-terminal-and-modular-adapter-for-atsn/ Assembled without modular jack

        Adapter for Dispatcher/Operator board with screw terminals for mic input and line level output and/or modular jack for audio output.

        This adapter allows you to connect 3.5mm tip/ring/sleeve audio cables to scr..

        Price: $10.00

        ]]>         Assembled without modular jack

        Adapter for Dispatcher/Operator board with screw terminals for mic input and line level output and/or modular jack for audio output.

        This adapter allows you to connect 3.5mm tip/ring/sleeve audio cables to scr..

        Price: $10.00

        ]]>         Adapter for Dispatcher/Operator board with screw terminals for mic input and line level output and/or modular jack for audio output.

        This adapter allows you to connect 3.5mm tip/ring/sleeve audio cables to scr..]]> <![CDATA[2 Gang Wall Plate Hook Switch]]> https://www.modelrailroadcontrolsystems.com/2-gang-wall-plate-hook-switch/ Mon, 03 Jul 2023 10:36:34 +0000 https://www.modelrailroadcontrolsystems.com/2-gang-wall-plate-hook-switch/ 2 Gang hook switch front view, handset not included. The grey objects in the back are angle plates holding the switch assembly for photography.

        These hook switches are electrically equivalent to our Cup Hooks, (2 "form C" or a "DPDT" contacts) but are designed to mount in standard "2 gang" (2 electrical wall switches) boxes,..

        Price: $42.00

        ]]> 2 Gang hook switch front view, handset not included. The grey objects in the back are angle plates holding the switch assembly for photography.

        These hook switches are electrically equivalent to our Cup Hooks, (2 "form C" or a "DPDT" contacts) but are designed to mount in standard "2 gang" (2 electrical wall switches) boxes,..

        Price: $42.00

        ]]>         These hook switches are electrically equivalent to our Cup Hooks, (2 "form C" or a "DPDT" contacts) but are designed to mount in standard "2 gang" (2 electrical wall switches) boxes,..]]>         <![CDATA[Kit of 20 Spade Lugs for Speech Networks]]> https://www.modelrailroadcontrolsystems.com/kit-of-20-spade-lugs-for-speech-networks/ Sat, 03 Sep 2022 14:46:58 +0000 https://www.modelrailroadcontrolsystems.com/kit-of-20-spade-lugs-for-speech-networks/ 20 Spade lugs shown as they are shipped.

        Spade Lugs for use with Telephone Speech Networks. These slide into the "Spain Clips" on the network but are also useful for making secure connections with screw terminals with #4 or #6..

        Price: $3.00

        ]]>         20 Spade lugs shown as they are shipped.

        Spade Lugs for use with Telephone Speech Networks. These slide into the "Spain Clips" on the network but are also useful for making secure connections with screw terminals with #4 or #6..

        Price: $3.00

        ]]>         Spade Lugs for use with Telephone Speech Networks. These slide into the "Spain Clips" on the network but are also useful for making secure connections with screw terminals with #4 or #6..]]>         <![CDATA[Carbon Mic Adapter]]> https://www.modelrailroadcontrolsystems.com/carbon-mic-adapter/ Tue, 08 Feb 2022 16:17:38 +0000 https://www.modelrailroadcontrolsystems.com/carbon-mic-adapter/ Carbon Mic adapter, Assembled and Tested

        What if you need to use an existing carbon microphone (say a vintage piece from a prototype dispatchers' office) and you want to use our Dispatcher/Operator board or other modern amplifier?  You'd need to provide a power supply and a way to provide a "dry"..

        Price: $18.00

        ]]>         Carbon Mic adapter, Assembled and Tested

        What if you need to use an existing carbon microphone (say a vintage piece from a prototype dispatchers' office) and you want to use our Dispatcher/Operator board or other modern amplifier?  You'd need to provide a power supply and a way to provide a "dry"..

        Price: $18.00

        ]]>         What if you need to use an existing carbon microphone (say a vintage piece from a prototype dispatchers' office) and you want to use our Dispatcher/Operator board or other modern amplifier?  You'd need to provide a power supply and a way to provide a "dry"..]]>         <![CDATA[107 Amplified Speaker - Used]]> https://www.modelrailroadcontrolsystems.com/107-amplified-speaker-used/ Sat, 06 Nov 2021 10:32:55 +0000 https://www.modelrailroadcontrolsystems.com/107-amplified-speaker-used/ 107 series amplified loudspeaker (use small wall wart-like power supply). Photo is typical, manufacturer, condition, revision and color may vary

        Western Electric (or equivalent) 107 series amplified speaker including power supply.  Used.  Manufacturer colors, revisions, and condition vary, 107 series loudspeakers were available in black, white, beige and green. 

         ..

        Price: $100.00

        ]]>         107 series amplified loudspeaker (use small wall wart-like power supply). Photo is typical, manufacturer, condition, revision and color may vary

        Western Electric (or equivalent) 107 series amplified speaker including power supply.  Used.  Manufacturer colors, revisions, and condition vary, 107 series loudspeakers were available in black, white, beige and green. 

         ..

        Price: $100.00

        ]]>         Western Electric (or equivalent) 107 series amplified speaker including power supply.  Used.  Manufacturer colors, revisions, and condition vary, 107 series loudspeakers were available in black, white, beige and green. 

         ..]]> <![CDATA[Telephone Connector Version 2.1]]> https://www.modelrailroadcontrolsystems.com/telephone-connector-version-2-1/ Fri, 21 Aug 2020 21:25:28 +0000 https://www.modelrailroadcontrolsystems.com/telephone-connector-version-2-1/ Telephone Connector version 2.1 Board with Bucking Converter and Bus Terminal with 12 position Screw Terminals

        This board provides connectors to extend the MRCS power and phone bus (used by the EBF31A Battery Feed and

        ]]> Telephone Connector version 2.1 Board with Bucking Converter and Bus Terminal with 12 position Screw Terminals

        This board provides connectors to extend the MRCS power and phone bus (used by the EBF31A Battery Feed and

        ]]> This board provides connectors to extend the MRCS power and phone bus (used by the EBF31A Battery Feed and