The WJ9J DTMF Controller is...

The world’s MOST versatile and intelligent DTMF controller board!  There is so much more that this board can do other than just control relays!  This comes COMPLETELY assembled.  

This just doesn't turn on outputs when you send 1 digit (as other Chinese controllers which just use a 8870 chip and a 4-16 decoder and have no brains built in.)

eBay no longer allows me to post links, but search the manual name "WJ9JDTMFControllerV3 ddns"

Some of the applications are:

Applications:

• Remote DTMF On/Off Control of 8 outputs with current status sent back.  No longer will you have to "blindly" send DTMF commands.
• Remote Base Control of frequency or ANY radio with an up memory channel on the microphone.
• Camera Pan - Tilt - Up/down control mode
• Provide extra features for your existing repeater controller.
• Beacon Radio Controller
• Repeater Controller Identifier Mode
• DTMF Squelch (keep radio quiet until it receives a specific call)
• Secure Public Address Application
• Logging of DTMF to PC with 1-WIRE output
• Solar site control applications with extremely low power requirements.
  

• Ability to transmit Morse Code id to identify the transmitter if the status occurs through RF transmitter
• Frequency Agile control of ANY radio that has a memory channel up button on the radio. Agile control for between 2 and 255 memory channels
• In remote base applications, some outputs assignable to enable RB PTT, and receive enable
• Ability to pulse any output with programmable length
• Enable a Camera Mode where a 5 and a digit pressed holds on an output as long as the second digit is pressed.
• 2 modes of CW ID when enabled, Repeater, and Foxhunt Mode.
• Supports 1-wire data representation of DTMF digits, for interfacing with a PC, or controlling other devices. It sends a byte via 1-Wire every time a digit is pressed.   Other controllers and computers can log this data, or capture if you wish.   It is up to you to decide if and how you want to use this feature.
• All of the features can be programmed and changed via DTMF.  You don’t need to hookup a computer to change.
• All changes are saved to EEPROM and do not disappear during a power failure.
• A 2 digit or 4 digit password can be created and assigned as active.
• This password can be enabled or disabled.  No reprogramming is required.
• Application notes provide a way to hookup to phone line for control
• All outputs can be latched or pulsed.  When pulsed, the length of pulse is programmable.
• Multiple outputs can be changed in one DTMF sequence.
• Programming Configuration Options can be acknowledged by an “OK” message CW (or not)
• ON / OFF state can be remembered for same state as before on a power up or can be set to a specific state.  This is great if after a power failure, some things need to be on, and some off.  In other words, a specific state can be memorized and remembered.  Or you can just have it be just as it was when it lost power.
• CW callsign identifier can be programmed with DTMF.
• CW identifier can be turned on or off.
• CW identifier can be sent when a status is or output is changed (or not).

• 8 Logical outputs capable of sinking 100 mA for controlling external relays or devices. 
• LED Status Indicators are provided for each Logical output.
  
• LED Status Indicators are switchable to an off state for stealth mode or for solar powered applications.
  
• The power is on/off switchable in case you need to power off without unwiring.  The switch applies to the screw terminal 12V input only.
• LED Power and DTMF Digit Valid Indicator.
  
• Screw Block Terminals for outputs.
• Screw Block Terminals or coaxial plug / jack for power supply.
• Screw Block Terminals or 1/8” audio jack for audio connection (plug not included).
• Power supply:  Between 3 and 30 volts.
• Current < 8 mA at 12V with the LED status off and < 4 mA when at 3 Volts.  Great for solar powered sites.
• A relay board is available from a third party vendor.
• Comes with Coaxial Plug for DC connection.
• Size: 2-9/16" X 3-15/16"
• Weight: 2.1 oz (Can be less than 1 OZ with special order without screw terminals)