868MHz GFSK Interconnected fire alarm smoke detector

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General Details
Quick Details
Place of Origin: Guangdong, China
Brand Name: SUMRING/OEM
Model Number: SR-851SI8
Product name: Interconnected fire alarm smoke detector
Usage: Fire Protection
Warranty: 2 Years
Power supply: DC3V battery
Can be connect 20 pcs: YES
Wireless interconnection frequency: 868MHz GFSK
Wireless transmitting distance: 200m (open area)

interconnected smoke detector

This SR-851SI8 smoke alarms are interconnected, meaning they communicate with each other(20 units in a group), forming an integrated system of protection for your home. Alarms can be interconnected via ireless interconnection frequency(868MHz GFSK), Meantime, it can also be used alone.
Power supply
DC3V battery (The battery is included)
operation
Can be connect 20 pcs
Alarm Sound
>85dB/3M
Wireless interconnection frequency
868MHz GFSK
Wireless transmitting distance
200m (open area)
Alarm mode
siren with flash
Battery life
5-8 years
Low voltage threshold
2.6V
Alarm concentration
13%
Humidity
0%~95%RH(No condensation)
Sensitivity
0.5dB/m (±0.1dB/m)
Humidity
≤95%RH
Execute Criterion
EN14604:2005/AC:2008
Material
ABS fireproof material
Installation method
ceiling mounted
Product size
Φ110mm×H57.15mm
single packing size
13.2cm*12.2cm*6.8cm