Shop All Stores


Here Is Free Shipping Details...


Here Is Financing Details...

Home/Office Wireless Audio Intercom - UpTo 99-Extensions Supported - Electronic Lock./Gate Control Supported - Wireless Communication Signal Range Of Over 1300-Feet - AC Or Battery

Rating: Not Yet Rated
Product Sku : T3331
Item Weight (In US-POUNDS):6.00
Base price for variant: $249.00
Sales price: $229.00
Discount: $20.00

   Add To Wish List  
Free Shipping
Financing Options
Manufacturer: Tech-Secure


T3331 - Wireless Home/Office Voice Intercom System - Over 1300-Feet Wireless Signal Range

Support UpTo 99-Handsets (Extensions) / Electronic Lock/Gate Control


Door Panel initiates Voice call to all Inside Extension when Doorbell-Button is pressed, and Specific Extension can be called by simply entrying Specific Extension Number using Keypad on the Door-Station Panel. Communication between Door-Station & Portable Interior Extension is wireless, which means "No Cables To Run" .

Designed To Power-up 2-Different Ways: 

Door Station Panel: AC With Battery Option (4-AAA Alkaline Batteries - Lasts UpTo 1-Year In Stand-by Mode/Over 4-Weeks Continuous) 

Portable Handset (Inside Extensions): AC With Rechargeable Lithium Battery (20-25-Hours Continuous Talk-Time/Over 1400-Hours Stand-by)

Other Key Functions:

Simple pairing of Door Panel with first and upto 99-Handsets (Click Manual & Software Tab To Read More), Call any Handset within extension group by simply dialing Handset number, 1-Handset to many Door Panel supported, Release/Control Electronic Lock/Gate from any Handset (Extension) within the group or by entering user assigned unlock-code directly on the Door Panel.

System Options/ Add-Ons:

Portable Handset (Extension) Charging Cradle (Click Link To Add)

Door-Station Panel (Click Link To Add)

Great for Home/Office and small warehouse communication application. System wireless signal is pretty strong when used within recommended transmitting range, Real clear sound with no communication lag between calls. 

1-Year 100% Equipment Warranty


T3331 - Wireless Home/Office Voice Intercom System

Indoor Extension Technical Details

Communication Method: Handset

RF Launch Power: 18dBm

Max Voice Decibel: 60dB

ADC/DAC Range: 300HZ—6KHZ

Ring-Tones: 38-Options

Power Supply: DC5V - 1Amp

Back-up Power: 1000mAh lithium battery (Recheargeable)

Operating Current: 90mA

Stand-by Current: 0.7mA

Screen-On Current: 20mA

Operating Temperature: -40℃~+75℃

Dimension: H-6.3 / W-3.3 / T-2.7-Inches


Door Station (Outdoor Panel) Technical Details

Communication Method: Hands-Free

RF Launch Power: 18dBm

Max Voice Decibel: 60dB

ADC/DAC Range: 300HZ—6KHZ

Ring-Tones: 38-Options

Power Supply: DC5V - 1Amp

Back-up Power: Four AAA batteries (Not Included)

Operating Current: 100mA

Stand-by Current: 0.03mA

Screen-On Current: 25mA

Operating Temperature: -40℃~+75℃

Dimension: H-5.9 / W-2.7 / Thickness-1.7-Inches


What's Included?

1-Door Station Panel With Embedded Keypad (4-AAA Not Included)

2-Portable Handsets With Recheargeable Batteries

2-Handset Charging Craddle With Power Supply

1-E-Lock 5-Wire Connector

1-Bag Of Mounting Screws

1-Installation & Operating Manual

Manual & Software

T333 - Series Voice Intercom Operating/Installation ManualT333 - Series Voice Intercom Operating/Installation Manual

Related Items



There are yet no reviews for this product.

Customers Who Bought This Also Considered This...

Customers Who Bought This Also Consider This...

Featured Products

Clearance Items

Recently Viewed Items

New Arrivals

View More