ARM320-W2(868) alarm module with 1xIN channel (NO/NC), white

The Dahua ARM320-W2(868) is a white wireless alarm module with 1 input channel that supports NO/NC contacts. It uses a 3-axis accelerometer for detection and communicates over the 868.0 MHz–868.6 MHz radio band with AES128 encryption.

The module is powered by 3 × CR123A batteries and can be surface mounted or installed inside another device. It carries CE and EN 50131 (Grade 2) certification and includes tamper protection.

Key features:

• 1 input channel with NO/NC contact support
• Detection type: 3-axis accelerometer
• Radio frequency: 868.0 MHz–868.6 MHz, with AES128 encryption
• Wireless communication range: 1600 m (5249.3 ft)
• Power: 3 × CR123A battery, with a battery life of 5 years and a current consumption of 45 µA (1 min heartbeat, normally open, no power supplied to other devices, movement alarm off)
• Mounting: surface mounting, or inside another device; tamper protection included
• Dimensions: 102 × 39 × 21.5 mm (4.02 × 1.54 × 0.846 in); weight: 77 g (2.72 oz)