DHI-ARM801
MSRP
- It uses the MBus communication protocol and is designed to expand the functionality of alarm systems, particularly the ARC9016C series.
- It operates at a baud rate of 9600bps and is compact, with dimensions of 60mm × 25mm × 13mm.
- The module is suitable for environments with temperatures ranging from -10°C to 55°C.
Related products
ARA34E
- It allows for secure wall mounting and offers horizontal angle adjustment of ±40° for optimal positioning.
- Made from aluminum alloy, it provides basic anti-corrosion protection and operates in temperatures ranging from -25°C to +60°C.
- Its compact dimensions are approximately 94 mm × 73.4 mm × 55 mm, and it weighs about 140 g.

DHI-ARA13-W2(868)
- IP65 rated.
- Outdoor product (–25 °C to +60 °C).
- 12 VDC and battery power supply.
- Multiple alarm sounds: Fire, medical, intrusion, panic, and more.
- Sound pressure level: 110 dB.
- Temperature monitoring.
- Frequency hopping and two-way communication.
- Cloud update and automatic recovery from update failure.

DHI-ARA24-W2(868)
DHI-ARA33A
DHI-ARC3800H-W2(868)
> Supports alarm video verification through integration of the IPC with the hub.
> Images can be remotely and quickly transferred from the PIR-Cam to the device.
> Supports wired and AP network configuration methods, which makes it easier to add the hub to apps and to switch to the hub's network.
> Supports multi-network redundancy for Ethernet and Wi-Fi to ensure the network remains stable and reliable.
> Supports two-way communication and frequency hopping to make communication with wireless peripherals stable and reliable.
> Features cloud update. You can also remotely update the device and wireless peripherals on the mobile app. Offers a dual backup system, and uses auto recovery when an update fails.
DHI-ARD2251E-W2(868)
Dahua Wireless External Triple-Tech Detector
> Support anti-masking detection.
> Support moving detection to prevent someone move or detach device.
> Support the installation of camera modules to form PIR-Cam to implement video verification.
> Pet immunity: up to 80 cm, 40kg.
> Support environment temperature monitoring.
> Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.
> Features cloud update. You can also remotely update the device on the mobile app.
> Offers a dual backup system, and uses auto recovery when an update fails.
DHI-ARM320-W2(868)
- Six types of alarms: Intrusion, medical, fire, emergency, gas, and tamper.
- Connects to external power supplies.
- Triggers alarms when the device is moved.
- Alarms go off when the device overheats.
- Cloud update.
- The two-way wireless encrypted communication mechanism improves the security and stability of communication.
- With the wireless frequency hopping mechanism, the device automatically hops to other available frequency bands when the original frequency band is being interfered with by other wireless radios, to ensure communication remains smooth.

DHI-ARM9A4-P-W2(868)
Connection to Hub through RF or network communication. > 16 alarm inputs, 4 relay outputs. > 2 auxiliary power outputs with a maximum power of 24W for powering wired detector and siren, and support overload and short circuit detection. > POE, AC power and rechargeable battery (optional) three power supply options.
