Dahua Alarm DHI-ART-ARC3800H-03-FW2 Wireless Alarm KIT (Wi-Fi, 4G LTE)
Dahua AirShield wireless alarm starter kit built around the Hub 2, with Ethernet, Wi-Fi and 4G LTE reporting and DMSS app control, for self-monitored home and small-business security with no mandatory monthly fee.
- AirShield Hub 2 (ARC3800H-FW2) with Ethernet, Wi-Fi and 4G LTE, dual-SIM
- Kit includes hub, keyfob, door detector and PIR detector
- Expandable to up to 150 wireless peripherals
- Full control and notifications through the free DMSS app
- No mandatory monitoring contract; self-monitor or add a monitoring service
- AES128 encryption and frequency hopping to resist jamming
- Tamper and low-battery alarms; built-in backup battery in the hub
inc GST + 3 Year Warranty & Support
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§ 01Overview
What the DHI-ART-ARC3800H-03-FW2-B is
The Dahua DHI-ART-ARC3800H-03-FW2 is an AirShield wireless alarm starter kit built around the Hub 2 control panel.
The hub reports over Ethernet, Wi-Fi and built-in 4G LTE with dual-SIM redundancy, so an alarm still gets through if one path drops.
This kit pairs the hub with a keyfob, a door (reed) detector and a PIR motion detector to cover a first entry and room, and the system expands to up to 150 wireless peripherals as the property grows, including sirens, extra detectors, keypads and repeaters.
You arm, disarm and manage the system from the free DMSS app, with real-time push notifications, SMS and phone-call alerts, and scheduled arming.
There is no mandatory monthly fee: you own the equipment and can self-monitor through the app, or connect a professional monitoring service if you prefer.
Two-way wireless communication with AES128 encryption and frequency hopping helps resist jamming and interference, and tamper and low-battery alarms flag any problem.
A built-in rechargeable battery keeps the hub running through a power cut.
The kit suits houses, apartments, shops and offices, and the 4G option requires a SIM card.
Note that this starter kit does not include a siren, which can be added from the AirShield range.
§ 02Engineering
DHI-ART-ARC3800H-03-FW2-B specifications
- In the box: alarm hub, keyfob, wireless door (reed) detector and wireless PIR motion detector
- Expandable: supports up to 150 wireless peripherals, including sirens, detectors, keypads and repeaters
- App control: arm, disarm, schedule and receive push, SMS and phone-call alerts via the free DMSS app
- No mandatory monitoring fee: own the gear and self-monitor, or add a monitoring service if you choose
- Secure wireless: two-way communication with AES128 encryption and frequency hopping to resist jamming
- Reliability: built-in tamper and low-battery alarms; rechargeable backup battery in the hub
- Note: 4G reporting needs a SIM card; this starter kit does not include a siren (add separately)
§ 03Full datasheet
Detailed specifications
Camera & Image
| Feature | Detail |
|---|---|
| Sensor | Door Detector: Reed switch | PIR Detector: Dual elements low-noise PIR sensor |
Lens & Distance
| Feature | Detail |
|---|---|
| Detection Range | PIR Detector: 12 m (39.37 ft) (90°) with installation height of 2.2 m (7.21 ft) |
Night Vision
| Feature | Detail |
|---|
Video
| Feature | Detail |
|---|---|
| Video Input | Hub: 8-ch IPC, which only supports the upload of alarm videos. |
| Video Linkage | Hub: Yes |
Audio
| Feature | Detail |
|---|---|
| Audio Output | Hub: 1 channel |
| Volume Control | Hub: Yes |
| Voice Broadcast | Hub: Telephone and local speaker |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Detection Mode | PIR Detector: PIR |
| Sensitivity | PIR Detector: 3 levels adjustable |
| Detection Speed | PIR Detector: 0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s) |
| Movement Distance | Door Detector: < 40 mm (1.57") |
| Pet Immunity Level | PIR Detector: ≤ 18 kg (39.68 lb) |
| White Light Resistance Level | PIR Detector: 6500 lx |
| Two-way Digital Temperature Compensation | PIR Detector: Yes, no attenuation of detection distance in high temperature. |
| Scenario | Door Detector: Non-metal doors |
Network & Storage
| Feature | Detail |
|---|---|
| Wireless Zone | Hub: 150 channels wireless peripherals (6 sirens, 64 PIR cameras (only 8 indoor PIR cameras), 64 keyfobs, 8 keypads and 4 repeaters) |
| Network Mode | Hub: Ethernet, Wi-Fi and Cellular network (Supports installation of dual SIM cards. Only one card can be enabled at a time) |
| Network Port | Hub: 1 RJ-45, 10 Mbps/100 Mbps Ethernet port. |
| Storage Battery | Hub: One built-in 4,750 mAh rechargeable lithium battery. |
| User Management | Hub: 33 app users (31 general users, 1 admin user and 1 installer) and 32 keypad users |
| Logs | Hub: Up to 5,000 entries |
| Transmission Protocol | Hub: SIA, SoftGuard |
| Remote Update | All: Cloud update |
| Carrier Frequency | All: 433.1 MHz–434.6 MHz |
| Transmitter Power (EIRP) | All: Limit 10 mW |
| Communication Mechanism | All: Two-way |
| Communication Distance | Hub: Up to 1,400 m (4593.18 ft) in an open space. | Keyfob: Up to 500 m (1640.42 ft) in an open space. | Door Detector: Up to 1,000 m (3280.84 ft) in an open space. | PIR Detector: Up to 1,200 m (3937.01 ft) in an open space. |
| Encryption Mode | All: AES128 |
| Frequency Hopping | All: Yes |
| Wi-Fi Standard | Hub: IEEE 802.11b/g/n |
| Wi-Fi Frequency Range | Hub: 2400-2483.5 MHz |
| Wi-Fi Power Transmission | Hub: ≤20 dBm@2400-2483.5 MHz |
| Cellular Network Transmitter Power (EIRP) | Hub: LM: 4G: Power class3: 23 dBm±2dB; 3G: Power class3: 24 dBm+1/-3dB; 2G: Power class0: 30 dBm±3dB (GSM850/900); Power class5: 33 dBm±3dB (GSM1800/1900) | Hub: EU: 4G: Power class3: 23 dBm±2dB; 3G: Power class3: 24 dBm+1/-3dB; 2G: Power class0: 30 dBm±3dB (GSM900); Power class5: 33 dBm±3dB (GSM1800) |
| Cellular Network Standard | Hub: GSM/WCDMA/LTE |
| Frequency Range | Hub: LM: 4G: FDD-LTE: B1/B2/B3/B4/B5/B7/B8/B28; TDD-LTE: B40; 3G: WCDMA: B1/B2/B4/B5/B8; 2G: GSM: 850/900/1800/1900 MHz | Hub: EU: 4G: FDD-LTE: B1/B3/B7/B8/B20/B28A; TDD-LTE: B38/B40/B41; 3G: WCDMA: B1/B8; 2G: GSM: 1,800/900MHz |
Event & Alarm
| Feature | Detail |
|---|---|
| SMS | Hub: Yes (up to 5 phone numbers) |
| Phone Call | Hub: Yes (up to 5 phone numbers) |
| Offline Cache | Hub: Stores up to 50 alarm messages. |
| Arm and Disarm | Hub: App, Keypad, remote control, card, scheduled arming and disarming. |
| Low Battery Detection | All: Yes |
| Tamper | Hub: Yes | Door Detector: Yes | PIR Detector: Yes |
Interface
| Feature | Detail |
|---|---|
| Indicator Light | Hub: The indicator indicates the status of alarms, arming and disarming, the network connection and device failure. | Keyfob: 1 dual-color status indicator (Green means normal and red means abnormal) | Door Detector: 1 green alarm indicator | PIR Detector: 1 green alarm indicator |
| Button | Hub: Includes a reset button, voltage button and AP switch button. | Keyfob: 4 (Home, Away, Disarm, and SOS) | Door Detector: 1 power switch | PIR Detector: 1 power switch |
General & Environment
| Feature | Detail |
|---|---|
| Language | Up to 7 languages are supported for SMS: English, Spanish (Latin America), French, Italian, Arabic, Turkish, and Danish. It is set as English by default. The alarm voice message feature and local speaker support English and Italian. |
| Power Supply | Hub: 100-240 VAC, 50/60 HZ | Keyfob: CR2032 battery | Door Detector: CR123A battery | PIR Detector: CR123A battery |
| Standby Time | Hub: The battery lasts up to 12 hours when it is fully charged and is within the following conditions: It is connected to the Wi-Fi, its ID is connected to the alarm receiving center, the heartbeat interval is 1,800 seconds, and it is connected to 8 peripherals and the cloud. | Keyfob: 3 years | Door Detector: 4 years | PIR Detector: 4 years |
| Power Consumption | Hub: Max. 12 W | Keyfob: Max. 100 mW | Door Detector: Max. 125 mW | PIR Detector: Max. 120 mW |
| Measuring Range (Temperature) | Door Detector: –15 °C to +65 °C (+5 °F to +149 °F) (indoor) | PIR Detector: –15 °C to +65 °C (+5°F to +149 °F) (indoor) |
| Operating Temperature | All: –10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
| Operating Humidity | All: 10%–90% (RH) |
| Storage Temperature | All: –10 °C to +55 °C (+14 °F to +131 °F) |
| Storage Humidity | All: 10%–90% (RH) |
| Product Dimensions | Hub: 174.8 mm × 174.8 mm × 38.3 mm (6.88” × 6.88” × 1.51”) (L × W × H) | Keyfob: 60.0 mm × 39.5 mm × 15.0 mm (2.36" × 1.56" × 0.59") (L × W × H) | Door Detector: 100.2 mm × 20.8 mm × 20.3 mm (3.94" × 0.82" × 0.80") (L × W × H) | PIR Detector: 104.0 mm × 60.0 mm × 50.0 mm (4.09" × 2.36" × 1.97") (L × W × H) |
| Packaging Dimensions | Kit: 270 mm × 218 mm × 122 mm (10.63" × 8.58" × 4.80") (L × W × H) |
| Net Weight | Hub: 510 g (1.12 lb) | Keyfob: 20 g (0.04 lb) | Door Detector: 70 g (0.15 lb) | PIR Detector: 100 g (0.22 lb) |
| Gross Weight | Kit: 1.46 kg (3.22 lb) |
| Installation | Hub: Wall mount; Desktop mount | Door Detector: Bracket mount | PIR Detector: Wall mount |
| Casing Material | All: PC + ABS |
| Anti-corrosion Level | Basic Protection |
| Certifications | All: CE |
§ 04Why choose this
Built for the way you actually use the DHI-ART-ARC3800H-03-FW2-B
Reliable triple-path reporting
Ethernet, Wi-Fi and dual-SIM 4G LTE keep alarms reporting even if one connection or mains power drops.
Grows with the property
Start with the hub, keyfob and two detectors, then expand to up to 150 peripherals including sirens and keypads.
Secure, interference-resistant wireless
Two-way links with AES128 encryption and frequency hopping help resist jamming, with tamper and low-battery alarms built in.
§ 05Where it fits
Right at home in these scenarios
Homes and apartments
Protects a first entry and living area out of the box, then expands to cover more doors, rooms and outdoor sirens as needed.
Shops and small offices
Gives a retailer or small business app-based arming, alerts and self-monitoring without a wired panel or a monthly contract.
Rental and retrofit sites
Wireless detectors install without cabling, suiting rentals and finished buildings where running cable is not practical.
Properties needing 4G backup
Sites with unreliable internet benefit from the dual-SIM 4G path that keeps the alarm reporting independently of the modem.
§ 06Setup
Installation & setup
Place the hub centrally
Mount or sit the hub where it has good network or Wi-Fi signal and is central to the peripherals, so wireless links stay strong across the property.
Add a SIM for 4G backup
Fit a SIM card if you want the 4G LTE backup path; the hub can also run on wired network or Wi-Fi alone.
Mount the detectors correctly
Fit the PIR at the recommended height and aim it away from heaters, stairs and direct pet paths, and place the door detector on the entry door and frame.
Set up and expand in DMSS
Add the hub to the free DMSS app to arm, disarm, schedule and receive alerts, then pair extra detectors, sirens or keypads as you grow the system.
§ 07Questions
Frequently asked about the DHI-ART-ARC3800H-03-FW2-B
Q.01
Is there a monthly fee to use this alarm?
Q.02
What is included in this starter kit?
Q.03
Does the kit come with a siren?
Q.04
How many devices can the hub support?
Q.05
Do I need a SIM card and internet?
Q.06
How does it stay connected if the power or network fails?
Q.07
Will it cause false alarms from pets?
Q.08
What sort of properties is it suited to?
§ 09Bundles
Recommended packages
Add a siren
This starter kit has no siren, so add a wireless indoor siren or a wireless outdoor siren so the system sounds an audible alarm as well as sending alerts.
Expand the detection
Cover more of the property with extra wireless PIR detectors, door detectors and a glass-break detector, all paired to the same hub.
Add control and spare parts
Add a wireless keypad or an extra keyfob for more arming options, or keep a spare AirShield Hub 2 as a reference. Contact us to plan the peripherals for your site.
