BRK® SA511B (model SA511) is a single station smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories, and other multifamily dwellings as defined in standard NFPA 101. BRK® SA511B has been fully tested and complies with, UL217, CSFM, NFPA 72, and NFPA 101 and other agencies that model their codes after the above agencies. It meets building codes where battery operated smoke alarms with wireless interconnect, voice with location and silence features are required and with model building codes published by the ICC. BRK® SA511B is a state of the art wireless talking smoke alarm designed to provide early warning of a fire. It features a fully insect screened Photoelectric smoke sensing chamber, an 85 dB horn, a supervised 3 VDC (2 AA batteries) power supply, a full function test switch and a silence feature. This smoke alarm interconnects via wireless communication on a reliable and secure radio frequency communication of 915 MHz frequency with 65000 security codes and 3 channel frequency hopping. You have a choice of 11 pre-programmed locations where a voice will announce the location and danger detected. When interconnected with other BRK® Wireless Interconnect alarms it will also announce the danger and location detected of that alarm too. It operates on a mesh network; a 2-way communication format that sends, receives and re-sends the alarm signals providing a more reliable network. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Perfect for apartment, dormitory or hotel applications. Designed for wall or ceiling mounting.

BRK® Smoke Alarm, 3 VAC with 1.5 VDC AA Battery Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, Red LED Visual Alert, 10 to 95 % Humidity, LED Display, Wireless Wiring, 40 to 100 deg F Operating, White, 5 in Dia x 2 in H Dimensions

• Wireless interconnect enabled alarm
• Voice alarm with programmable location, programmable with up to eleven locations
• Single button test/silence
• Two silence features can silence the low battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
• RF interconnect reliable and secure radio frequency communication between alarms, 915 MHz frequency with 65000 security codes and 3 channel frequency hopping
• Optipath 360 Technology™ patented technology provides 360 deg of direct access to the smoke sensor
• Perfect mount allows for easy alignment of alarm
• Spread spectrum horn tone lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the horn
• Latching features alarm latch remembers which unit initiated an alarm, low battery latch visually identifies unit in low battery condition
• Choice of 11 pre-programmed locations voice output
• Electronically simulates smoke condition, causing the unit to alarm, press and hold test/silence button
• Automatic when smoke clears
• Up to 18 units, RF or hardwired (needs SA520B bridge unit), carbon monoxide and heat alarms and relays, maximum of 12 smoke alarms

• Catalog https://assets.unilogcorp.com/2/ITEM/DOC/IDW_DOCUMENT_fe00f2e65533d4ed91d5ed9a9b48a2142232015ae579eeef19b10cc73659a742.pdf
• Owners/User Manual https://assets.unilogcorp.com/2/ITEM/DOC/BRK_SA511B_Users_Guide.pdf
• Specification Sheet https://assets.unilogcorp.com/2/ITEM/DOC/IDW_DOCUMENT_b376b6b4d2f9f472438abc92e5f547f5880fff038bdd0a624d2f5bafca23ffde.pdf