Dahua ARC3808H

Specifications

From the manufacturer's product information.

Alarm Input: 128 channels (8 local channels); Wired input: A maximum of 500 m.; Cable:Twisted pair (oxygen-free copper wire, 57/0.145±0.007 mm, 1000 m, ≤19.5Ω).
Alarm Output: 128 channels (4 local channels); Wired output: A maximum of 500 m.; Cable:Twisted pair (oxygen-free copper wire, 57/0.145±0.007 mm, 1000 m, ≤19.5Ω).
Connected Peripheral: Up to 16 wired keypads; Up to 8 wireless sirens(ARA12 series, ARA13 series)and 1 local siren; Up to 128 wireless keyfobs(ARA24 series); Up to 16 expansion modules; Up to 120 wireless door detectors (ARD323 series, ARD333 series. The quantity depends on actual alarm input connections); Up to 120 wireless PIR Detectors (ARD1233 series. The quantity depends on actual alarm input connections); Up to 120 wireless Dual-Tech Detectors (ARD2231 series. The quantity depends on actual alarm input connections)
Area: 32 areas (rooms)
Network Mode: Ethernet, Wi-Fi and 2G/3G/4G networks (optonal)
Network Port: 1 × RJ-45, 10 Mbps/100 Mbps Ethernet port.
Telephone Line: Yes (optional)
RS-485: 2 channels.The maximum distance for one RS-485 bus is 1000m, and intercom devices must be limited to within 200m.; Cable:Twisted pair (oxygen-free copper wire, 57/0.145±0.007 mm, 1000 m, ≤19.5Ω).
Storage Battery: Yes (12 V, 7 Ah，The backup battery is not included in the set）
Auxiliary Power Output: 3 channels (2 ×; auxiliary power output and 1 × siren power output); total current: 2 A

Indicator Light: 5 indicators (1 × power status indicator, 1 × storage battery status indicator, 1 × 2 G/4 G status indicator, 1 × PSTN status indicator, and 1 × AP mode indicator)
Button: 3 buttons (1 reset button, 1; power switch button, and 1 AP button)
Buzzer: Yes
SMS: Yes (up to 12 phone numbers)
Phone Call: Yes (up to 12 phone numbers)
Video Linkage: Yes
Offline Cache: Stores up to 50 alarm messages
Arm and Disarm: App, keyboard, keyfob, card, scheduled arming and disarming.
Remote Update: Cloud update; Web
Network Protocol: SIA; SoftGuard
Low Battery Detection: Yes
Tamper: Yes (1 × case tamper and 1 × wall tamper)
User Management: 32 app users (30 × general users, 1 × admin user and 1 × installer) and 32 × keypad users
Logs: 5000 pieces

Language: English, Spanish (Latin America), Spanish, French, Italian, Arabic, Turkish, Danish, Czech, Slovak, Russian, Portuguese, German, Dutch, Greek, Bulgarian, Polish;
Power Supply: 100-240 VAC Supply(Standard); 13-15 VDC Power Adapter Supply (Optional)
Power Supply Type: Type A
Standby Time: 36 hours (disarming, arming, and alarm once a day. Supports wired, Wi-Fi (select models) and 4 G conection. Does not supply power externally)
Low Battery Threshold: 11,000 mV
Battery Restore Threshold: 12,000 mV
Power Consumption: 45W (max); 2.7 W (standby)
Operating Temperature: –10 °C to +55 °C (+14 °F to +131 °F)
Operating Humidity: 10%–90% (RH)
Product Dimensions: 304 mm × 235 mm × 90.8 mm (11.97" × 9.25" × 3.57")
Net Weight: 1361 g (3.00 lb)
Gross Weight: 1758 g (3.88 lb)
Installation: wall mount
Casing Material: PC + ABS
Appearance Color: White
Protection: IP30
Anti-corrosion Level: Basic Protection; *The products are designed for general use and are applicable even in areas with no specific requirements for anti-corrosion protection.
Storage Temperature: –10 °C to +55 °C (+14 °F to +131 °F)
Storage Humidity: 10%–90% (RH)
Packaging Dimensions: 369 mm × 140 mm × 280 mm (14.53" × 5.51" × 11.02")

Cellular Network Standard: GSM/WCDMA/LTE
Frequency Range: EU:; 4G: FDD-LTE: B1/B3/B7/B8/B20/B28A; TDD-LTE: B38/B40/B41; 3G: WCDMA: B1/B8;; 2G: GSM: 1800/900MHz;; LA:; 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;
Transmitter Power (EIRP): 4G: Power class 3: 23 dBm±2dB; 3G: Power class 3: 24 dBm+1/-3dB; 2G: Power class 0: 30 dBm±3dB（GSM900）; Power class 5: 33 dBm±3dB（GSM1800）

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