Storage Battery : Hub: One built-in 4,750 mAh rechargeable lithium battery<\/li>\n<\/ul>\n
Video & Audio<\/p>\n
\n
Video Input : Hub: 8-ch IPC (only supports alarm video upload)<\/li>\n
Audio Output : Hub: 1 channel<\/li>\n
Volume Control : Hub: Yes<\/li>\n
Voice Broadcast : Hub: Local speaker<\/li>\n<\/ul>\n
Function<\/p>\n
\n
Indicator Light : Hub: Status of alarms, arming\/disarming, network, device failure \/ Keyfob: 1 dual-color status indicator (Green = normal, Red = abnormal) \/ Door Detector: 1 green alarm indicator \/ PIR Detector: 1 green alarm indicator<\/li>\n
Button : Hub: Reset button, voltage button, AP switch button \/ Keyfob: 4 buttons (Home, Away, Disarm, SOS) \/ Door Detector: 1 power switch \/ PIR Detector: 1 power switch<\/li>\n
Video Linkage : Hub: Yes<\/li>\n
Offline Cache : Hub: Up to 50 alarm messages<\/li>\n
Tamper : Hub: Yes \/ Door Detector: Yes \/ PIR Detector: Yes<\/li>\n
User Management : Hub: 33 app users (31 general, 1 admin, 1 installer) and 32 keypad users<\/li>\n
Logs : Hub: Up to 5,000 entries<\/li>\n
Measuring Range (Temperature) :\u00a0 Door Detector: \u201315 \u00b0C to +65 \u00b0C (+5 \u00b0F to +149 \u00b0F) (indoor) \/ PIR Detector: \u201315 \u00b0C to +65 \u00b0C (+5 \u00b0F to +149 \u00b0F) (indoor)<\/li>\n
Movement Distance : Door Detector: < 40 mm (1.57″)<\/li>\n
Pet Immunity Level : PIR Detector: \u226418 kg (39.68 lb)<\/li>\n
White Light Resistance Level : PIR Detector: 2000 lx<\/li>\n
Two-way Digital Temperature Compensation : PIR Detector: Yes (no attenuation in high temperature)<\/li>\n
Scenario : Door Detector: Non-metal doors<\/li>\n<\/ul>\n
Wireless<\/p>\n
\n
Carrier Frequency : All: 433.1 MHz\u2013434.6 MHz<\/li>\n
Transmitter Power (EIRP) : All: \u226410 mW<\/li>\n
Communication Mechanism : All: Two-way<\/li>\n
Communication Distance (open space) : Hub: Up to 1,400 m (4593.18 ft) \/ Keyfob: Up to 500 m (1640.42 ft) \/ Door Detector: Up to 1,000 m (3280.84 ft) \/ PIR Detector: Up to 1,200 m (3937.01 ft)<\/li>\n
Encryption Mode : All: AES128<\/li>\n
Frequency Hopping : All: Yes<\/li>\n<\/ul>\n
General<\/p>\n
\n
Language : Hub: English<\/li>\n
Power Supply : Hub: 100-240 VAC, 50\/60 Hz \/ Keyfob: CR2032 battery \/ Door Detector: CR123A battery \/ PIR Detector: CR123A battery<\/li>\n
Standby Time : Hub: Up to 12 hours (Wi-Fi connected, alarm center linked, 1,800s heartbeat, 8 peripherals) \/ Keyfob: 3 years \/ Door Detector: 4 years \/ PIR Detector: 4 years<\/li>\n
Power Consumption : Hub: 220 VAC 80 mA (Max), 220 VAC 40 mA (Standby) \/ Keyfob: 40 mA (Max), 0.5 \u00b5A (Standby) \/ Door Detector: 42 mA (Max), 29 \u00b5A (Standby) \/ PIR Detector: 44 mA (Max), 34 \u00b5A (Standby)<\/li>\n
Operating Temperature : All: \u201310 \u00b0C to +55 \u00b0C (+14 \u00b0F to +131 \u00b0F) (indoor)<\/li>\n
Operating Humidity : All: 10%\u201390% RH<\/li>\n
Product Dimensions (L \u00d7 W \u00d7 H) : Hub: 174.8 \u00d7 174.8 \u00d7 38.3 mm (6.88″ \u00d7 6.88″ \u00d7 1.51″) \/ Keyfob: 60.0 \u00d7 39.5 \u00d7 15.0 mm (2.36″ \u00d7 1.56″ \u00d7 0.59″) \/ Door Detector: 100.2 \u00d7 20.8 \u00d7 20.3 mm (3.94″ \u00d7 0.82″ \u00d7 0.80″) \/ PIR Detector: 104.0 \u00d7 60.0 \u00d7 50.0 mm (4.09″ \u00d7 2.36″ \u00d7 1.97″)<\/li>\n
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)<\/li>\n
Gross Weight : Kit: 1.46 kg (3.22 lb)<\/li>\n
Installation : Hub: Wall mount \/ Desktop mount \/ Door Detector: Bracket mount \/ PIR Detector: Wall mount<\/li>\n
Casing Material : All: PC + ABS<\/li>\n
Certifications : All: CE<\/li>\n
Anti-corrosion Level : Basic protection<\/li>\n
Storage Temperature : All: \u201310 \u00b0C to +55 \u00b0C (+14 \u00b0F to +131 \u00b0F)<\/li>\n
Storage Humidity : All: 10%\u201390% RH<\/li>\n
Packaging Dimensions (L \u00d7 W \u00d7 H) : Kit: 270 \u00d7 218 \u00d7 122 mm (10.63″ \u00d7 8.58″ \u00d7 4.80″)<\/li>\n<\/ul>\n
Wi-Fi Frequency Range : Hub: 2400-2483.5 MHz<\/li>\n
Wi-Fi Power Transmission : Hub: \u226420\u00a0dBm@2400-2483.5\u00a0MHz<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"
\n
Supports alarm video verification through integration of the IPC with the hub.<\/li>\n
Images can be remotely and quickly transferred from the PIR-Cam to the device.<\/li>\n
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.<\/li>\n
Supports multi-network redundancy for Ethernet and Wi-Fi to ensure the network remains stable and reliable.<\/li>\n
Supports two-way communication and frequency hopping to make communication with wireless peripherals stable and reliable.<\/li>\n
Features cloud update. You can also remotely update the device and wireless peripherals on the mobile app.<\/li>\n
Offers a dual backup system, and uses auto recovery when an update fails.<\/li>\n<\/ul>","protected":false},"featured_media":8376,"comment_status":"open","ping_status":"closed","template":"","meta":{"nf_dc_page":""},"product_brand":[70],"product_cat":[114,113],"product_tag":[],"class_list":{"0":"post-8371","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-dahua","7":"product_cat-panel","8":"product_cat-wireless","9":"cms-has-post-thumbnail","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"yoast_head":"\nDahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2 - STS.COM.CY<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sts.com.cy\/el\/shop\/intruder-alarm\/wireless\/panel\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2 - STS.COM.CY\" \/>\n<meta property=\"og:description\" content=\"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.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sts.com.cy\/el\/shop\/intruder-alarm\/wireless\/panel\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\/\" \/>\n<meta property=\"og:site_name\" content=\"STS.COM.CY\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-04T16:26:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sts.com.cy\/wp-content\/uploads\/2025\/08\/500x231x90-ImportedPhoto_1743414331280.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"231\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0395\u03ba\u03c4\u03b9\u03bc\u03ce\u03bc\u03b5\u03bd\u03bf\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u03bb\u03b5\u03c0\u03c4\u03ac\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/\",\"url\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/\",\"name\":\"Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2 - STS.COM.CY\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sts.com.cy\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sts.com.cy\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/500x231x90-ImportedPhoto_1743414331280.jpg\",\"datePublished\":\"2025-08-04T16:10:31+00:00\",\"dateModified\":\"2025-08-04T16:26:37+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/#breadcrumb\"},\"inLanguage\":\"el\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"el\",\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/#primaryimage\",\"url\":\"https:\\\/\\\/sts.com.cy\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/500x231x90-ImportedPhoto_1743414331280.jpg\",\"contentUrl\":\"https:\\\/\\\/sts.com.cy\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/500x231x90-ImportedPhoto_1743414331280.jpg\",\"width\":500,\"height\":231},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/intruder-alarm\\\/wireless\\\/panel\\\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/sts.com.cy\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/sts.com.cy\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sts.com.cy\\\/#website\",\"url\":\"https:\\\/\\\/sts.com.cy\\\/\",\"name\":\"STS.COM.CY\",\"description\":\"THE REVOLUTION IN TECHNOLOGY\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/sts.com.cy\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"el\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2 - STS.COM.CY","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sts.com.cy\/el\/shop\/intruder-alarm\/wireless\/panel\/dahua-alarm-hub-2-kit-wifi-hubpirkeyfobdoor-arc3800h-03-w2\/","og_locale":"el_GR","og_type":"article","og_title":"Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2 - STS.COM.CY","og_description":"Supports alarm video verification through integration of the IPC with the hub. 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