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Honeywell Slim Line Wireless Door/Window Transmitter

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5820L Honeywell Slim Line Wireless Transmitter is half the size of standard door window contacts and •Ideal for double-hung windows
Brand: Honeywell
Part Number: 5820L

Availability: In stock

Regular Price: $45.00

Sale $36.99




Compatible with all 5800 series Honeywell Ademco wireless devices, the 5820L Honeywell Ademco Slim Line Wireless Door/Window Transmitter is half the size of standard door/window contacts with just as much capability! If your security system needs an upgrade, this alarm accessory has plus features to go with its slim, sleek design.

It has a demonstrated outdoor range of over a mile and a transmit frequency of 345 MHz. With case tamper protection, you get worry-free door and window security 24/7. The 5820L is ideal for casement and doublehung windows.

The Slim Line Door/Window contact is like a lion hiding in tall grass, waiting to strike its prey. Powerful and versatile, this is the best in home security protection.


  • Sleek design is nearly half the size of competitors
  • Case tamper protection (front and back)
  • Ideal for double-hung windows
  • Easy replaceable AAA Lithium battery
  • Dimensions: 3.0" H x 0.5" W x 0.8" D

Every door and window in a home or office should have an Alarm Contacts installed on it. You should always remember to include openings in the overall count. Depending upon a home’s or business size, this may end up being a lot of contacts, but it is important to avoid skipping a single door or window since each serves as a potential entry point for a burglar. Recessed Contacts, Surface Mount Contacts, Commercial Contacts and Pill Contacts

Additional Info

Additional Info

Part Number 5820L
What's in the box (1) Honeywell Slim Line Wireless Door/Window Transmitter


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Dimensions 3.0" H x 0.5" W x 0.8" D
(76.2mm) x (12.7mm) x (20.3mm)
Power Source 1.5VDC, AAA Lithium battery (supplied)
1.5VDC, AAA Alkaline battery
Gap 0.5" (12.7mm) make distance
Case Tamper Protection Front and back case tamper
Operating Temperature 32° F to 122° F (0° C to 50° C) non-condensing
Transmit Frequency 345 MHz
Compatibility Compatible with all 5800 Series Wireless devices
Agency Listings FCC, IC, cULus
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