Alarm Systems


BX-23 Series


BX-23 series Bell Box is a wireless, bi-directional outdoor sounder generating loud 107-decibel siren sounds and strobe lights during an alarm to provide visible and audible alerts. The bell box can either be powered by an AC adaptor or battery-operated.

BX-23-F1 integrates Climax industry-leading F1 RF technology to deliver accelerated signal transmission and record-breaking communication. The astonishing capability to communicate with the control panel across vast expanses provides increased installation flexibility, especially on large or complicated premises, making BX-23-F1 not only suitable for residential premises but commercial premises as well.

BX-23 series also provides tamper-deterrent feature to protect against unauthorized removal and sabotage. Encased in sleek, IP56-rated water and dust resistant housing, BX-23 series blends naturally with any building’s exterior. BX-23 series’ immediate warning signals help speed up the response time during an emergency, making it an essential component of any security system requiring effective alarm alerts.


  • Siren output level is 107dB at 1 meter
  • F1 RF technology accelerate the speed of signal transmission, boosts communication range
  • Four programmable siren duration options
  • Four selectable siren volume levels
  • Programmable strobe activation
  • Unique alarm sounds for fire and burglary
  • Battery-operated or AC-powered
  • Compliant with CE requirement
  • IP56 waterproof and dustproof housing
  • Beep notification of arming/disarming, door chime and low battery status
  • Regular supervision signals to check system integrity and trouble shooting
  • Tamper protection prevents unauthorized removal or sabotage
  • Low battery detection
  • Certified to Standard: EN50131-4 / EN50131-5-3 Grade II, Class IV

Product Documents


Ordering Information

Model Name
Outdoor Bell Box with extensive RF range, compatible only with Climax F1 Control Panels
Outdoor Bell Box, compatible with all Climax Control Panels