• CROW FW2-NEPTUNE wireless outdoor sounder

CROW FW2-NEPTUNE wireless outdoor sounder

  • Brand: Crow
  • Product Code: FW2-SIREN-EXT
  • Availability: Ordered upon request
  • 61,684Ft Ex Tax: 51,403Ft

Two Way Wireless Ultra Slim Outdoor Sounder

The FW2-Neptune is a wireless outdoor sounder combining high performance reliability, fast cable free installation and elegant design.

The FW2-Neptune is fully supervised, provides visual and audio notifications of intrusions, fire alarms, low battery voltage, and communication interferences.

The slim design of the FW2-Neptune makes it discreet but highly effective.

How can you use a wireless device with FLEXi SP3 smart alarm control panel?

RF-SH wireless expander interface

By connecting an RF-SH wireless expander interface you can use the "classic" wired alarm system as a hybrid or wireless. Comes handy when you have no option to lay wires and need wireless sensors or other equipment.


Transmission Protocol, Encryption
Freewave2™ Two Way Protocol, Unique ID serial number – 24 bit
Event Transmission
Alarm, Tamper, Supervision, Low Battery

Technical data

Operating environment
-30°C - + 70°C
Power supply
9V÷15V DC or Battery 3.6V /14Ah Lithium or bot
Current consumption (nominal)
Standby: 110uA ±10uA@ Battery operation 20mA±2mA@12V DC operation
Current consumption (max)
Alarm: Average: 950mA @ Battery operation Max: 1.8A peak@ Battery operation Average: 200mA @ 12V DC operation Max: 1.2A peak @ 12V DC operation
310 mm x 205 mm x 75 mm
1,2 kg
Battery type
Soldered CR2016
output [LED]
Power LED (90 Lumens)
Battery Life
Up to 5 Years (Based on 2 min Piezo operation/month)
Modulation Type
Frequency Band
Range in open space
EN300220-2 EN300220-1 EN301489-3 EN301489-1 EN50130-4 EN61000-6-3 EN60950-1 EN50131-1 EN50130-5 EN50131-5-3
LED Indications
Flash LED during transmission (Arm/Disarm), alarm and low battery
Sound Pressure Level, frquency range
105dB, 2700 ± 500 Hz
Design, material
External Box: P.C. (3mm thick), IP 43 – Plastic PC with UV protection. Conformal coated circuit board

Detector specifications

Tamper Switch
Supervision Time
Sync signal every 1 min

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