Chamberlain NTD2 User Manual

The Intercom has up to a 1000' range and allows 
multiple simultaneous conversations, using a 900 MHz 
secure digital radio link. The intercoms form an 
exclusive network and respond only to other intercoms 
in the network.

Mounting Tape

1

Alcohol Wipe

Intercom (2)

Call Mode: In Call Mode the intercom may only be 
used to call the intercom network and will not be able 
to hear conversation from within the network.
To put intercom into Call Mode place 
Dipswitch #1 to the UP position.

Volume: To increase the intercom 
volume, place Dipswitch #4 to the UP 
position.

Sensitivity: To increase sensitivity on 
the intercom set Dipswitch #3 to the 
UP position.
NOTE: Dipswitch #2 is not used.

Talk Button: To talk, hold down the Talk button and 
all intercoms in the network will receive the signal. 
When holding down the Talk button on a different 
intercom, a secure channel is created and the other 
intercoms in the network do not hear the 
conversation.

Battery: The AA Alkaline batteries (not provided) will 
last up to a year depending on use (Lithium batteries 
recommended for colder environments). When the 
batteries are low it will emit three beeps every ten 
minutes.

Talk Button

Speaker

® 

Learn Button

Dipswitch 

Block

Mount Intercom with small silver screws. See 
mounting template on page 3. Screw the top two 
screws halfway into the mounting surface. Place back 
of intercom over screws. Tighten screws.

The Intercom can be mounted by using the included 
screws or by using the double-sided mounting tape. It 
is recommended to use the mounting tape on 
surfaces such as metal or glass.

Put the remaining silver screws into the bottom holes 
of intercom. Tighten screws.