2GIG SMKT100-345 - Data Sheet (2025)

The 2GIG
®
Smoke Heat Freeze Detector has been
designed to detect fire issues earlier, providing a more
accurate and timely notice in the event of smoke or fire.
The 2GIG Smoke Heat Freeze Detectors are designed
to recognize smoke from common synthetic materials
and decrease nuisance alarms from everyday
cooking. Using advanced detection algorithms and
a sophisticated photo-electric optical sensor, this
detector meets the UL standards UL268 7th edition.
Smoke/Heat /Freeze
Detector
Security Sensor with On/Off
Switchable Encryption.
2GIG-SMKT100-345
2GIG products are known for quality and
field-proven reliability with more than 5 million
security panels and 25 million devices deployed
that boast a less than 0.03 percent failure rate –
the best in the industry.
SCAN ME
Discover more
about 2GIG

345S sensors
Complete 2GIG security
ecosystem.
345S sensors work with
the all-new GC Touch,
revolutionary 2GIG EDGE,
and earlier security &
control panels from 2GIG.
Stock half as many SKUs
on trucks.
Easily choose encrypted/

non-encrypted operation
with an internal switch.

2GIG 345S sensors work

for any installation. •
Meets new UL217 8th edition and UL268

7th edition requirements.
•
Designed to recognize smoke from some synthetic
materials.
•
Monitors and reports on excessive temperature
variations.
•
Optical smoke detection chamber for improved smoke
detection.
•
Rate of Rise alert is sent to the panel and a siren is
triggered once the room temperature is 104 ̊F and the
temperature rises 15 degrees or more in one minute.
•
Extreme high/low temperature alerts.
•
Projected 10 year battery life.
•
The sensor transmits in encrypted mode by default,
and can be set to unencrypted mode via an onboard
switch.
Ordering Part Number
2GIG-SMKT100-345
Wireless Signal Range
350 ft (106.7m), open air with

Wireless Control Panel
Transmitter Frequency
345MHz
Compatibility
2GIG Panels
Supervisory Interval
70 minutes
Dimensions (D x W x H)
4.7" x 2.3
"
(120 x 58 mm)
Weight
0.46 lbs
Audible Alarm
> 85dB (A) at 10ft (3m) minimum
High Temperature Level
134 ̊F +⁄- 4 ̊F
High Temperature Rate of Rise
Temperature above 104 ̊F and increases 15 ̊F
or more in one minute
Low Temperature Level
40 ̊F +⁄- 4 ̊F. Reset at 45 ̊F +⁄- 4 ̊F
Operating Temperature
-40° to 100°F (4.4°C to 37.8°C)
Operating Rel. Humidity
15% to 95%, non-condensing
Batteries
2 x CR123A
Regulatory Listing
UL268 7th Edition,

CAN/ULC S529 7th Edition, CSFM
Projected Battery Life
10 years
Warranty
2 years
FEATURES
TECHNICAL SPECIFICATIONS
Specification and availability subject to change without notice.
2GIG-SMKT100-345
Smoke/Heat/Freeze Detector
Nice

©2025 Nice North America LLC. 2GIG is a registered trademark of Nice North America. All rights reserved.
All other brand names are the property of their respective owners.
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2GIG.COM
2GIG 345S
sensors offer reliable security coverage
for residential and commercial properties to keep
clients feeling secure. With sleek, modern designs that
seamlessly integrate into any environment, 345S sensors
include contact, PIR, glass break, smoke detectors,
keyfobs, and more.
2GIG 345S
sensors are compatible with the complete
2GIG security ecosystem including the
GC Touc h
™


and
2GIG EDGE
™
security panels.