PAX SR EXT is a wireless piezo siren for outdoor mounting designed for operation with PAX WL wireless
expander module in ECLIPSE hybrid systems or  with BRAVO Next wireless control panel, for building of fully wireless security systems. The siren can be located in a distance up to 400m away
from the control panel.

PAX SR EXT is equipped with sound and LED indication for announcing of alarm events, inner metal
cover and bidirectional tamper for higher protection.
The siren has a flat plastic cover, which is especially suitable for company sticker or logo.



  • Two-way tamper switch for self-protection of the box
  • Separate alarm notifications for intrusion and fire
  • Squawk functionality – Activation / deactivation tones
  • Internal metal cover for better protection
  • Plastic cover for protection of the electronic components
  • External power supply with adapter
  • Adjustable alarm tone volume – 4 levels
  • On-board signal strength indicator
  • Chaising LEDs indication optional switching
  • Beacon+ protocol type for wireless communication
Operation frequency ~ 868MHz
Communication type Bi-directional
Radio distance (open space) up to 1500m
Sound pressure level 102db@1m
Max. Alarm tone duration (programmable) 1 – 3 min
Tone frequency range 2700-3300Hz
EMC Immunity EN 50130-4
Battery  pack 4х3V Li – size A
Battery life ~ 7 years
Operating temperature range from -25°C to +65°C
IK protection rating IK08
IP protection rating IP45
Enclosure box ABS plastic, white
Dimensions 309 x 197 x 40 mm

Product Documents

Marketing Documentation

Hybrid Alarm System Brochure
Updated at 13.04.2023 Size 1.73MB
PAX SR EXT - Datasheet
Updated at 24.07.2023 Size 0.15MB

Technical Documentation

PAX SR EXT - Installation Manual
Updated at 26.04.2023 Size 0.62MB

Product pictures