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DSRF Premises Wireless | Bosch DSRF Transmitters | 469
Region Certification
USA UL RF280THS only: UROX: Smoke - Automatic
Fire Detectors (UL268 and A)
CSFM RF280THS only: 7272-1615: 214 July
2008
FCC RF280THS only: ESV-0407-4
Canada IC RF280THS only: 12491021131
Installation/Configuration Notes
Compatibility Information
Detectors Receivers Control Panels
RF280THS RF3212 Solution Ultima 844, 862, and 880,
CC488
RF3222 DS7400XiV4
RF3224 DS7240, DS7220, D6412, and D4412
RF280ETHS RF3212E Solution Ultima 844, 862, and 880,
CC488
RF3213E VR-8
RF3222E DS7400XiV4 (firmware version 4.03 or
higher)
RF3227E DS7240 and DS7220, CC7240‑A
RF3228E Marise
RF3249E DA (Abacus)
Battery Recommendations
The following battery types are recommended for correct
operation of your detector: Duracell® DL123A, Eveready®
CR123A, or Panasonic®
®
CR123A.
Technical Specifications
Mechanical Properties
Dimensions: 5 cm x 12.7 cm (2 in. x 5.1 in.)
Material: High impact, fire retardant ABS plastic enclosure and
separate twist-lock mounting plate
Environmental Considerations
Integral Heat Sensor: +57°C (+135°F)
Radio Frequency
Interference (RFI)
Immunity
No alarm or setup on critical frequencies in
the range of 26 MHz to 950 MHz at signal
strengths less than 50 V/m.
Relative Humidity: 0% to 95% (non-condensing)
Temperature (operating): 0°C to +38°C (+32°F to +100°F)
Outputs
Alarm: 85 dB at 3 m (10 ft)
Power Requirements
Batteries: Two 3 VDC lithium batteries
Battery Life: 5 or more years under normal operating conditions with
recommended battery types
Transmission Characteristics
Frequency Band
RF280THS: 304.00 MHz
RF280ETHS: 433.42 MHz
Trademarks
Chamber Check® is a registered trademark of Bosch Security Systems in
the United States.
Duracell® is a registered trademark of the Gillette Company, USA, in the
United States and/or other countries.
Eveready® is a registered trademark of Eveready Battery Company, Inc.
Panasonic® is a registered trademark of Matsushita Electric Industrial Co.,
Ltd.
Ordering Information
RF280ETHS Wireless Smoke Detector
(433.42 MHz)
An open-area wireless smoke detector de-
signed for fire protective signaling and house-
hold fire warning systems; operates at 433.42
MHz
RF280ETHS
www.boschsecurity.com Bosch Security Systems B.V.
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