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Description
Dahua DHI-ARC3800H-FW2(868) AirShield 4G Draadloze Alarmhub 2Productbeschrijving Dahua DHI ARC3800H FW2 is een draadloze alarmhub die geschikt is om de veiligheid van uw faciliteit te garanderen. Het ondersteunt maximaal 150 draadloze apparaten, waaronder 6 sirenes, 64 PIR camera's, 64 sleutelhangers, 8 toetsenborden en 4 repeaters, waardoor u uw beveiligingssysteem flexibel kunt aanpassen aan uw behoeften. Het apparaat is uitgerust met een 8 kanaals IPC video ingang, die is ontworpen om alarmen te downloaden,
Productbeschrijving
Dahua DHI-ARC3800H-FW2 is een draadloze alarmhub die geschikt is om de veiligheid van uw faciliteit te garanderen. Het ondersteunt maximaal 150 draadloze apparaten, waaronder 6 sirenes, 64 PIR-camera's, 64 sleutelhangers, 8 toetsenborden en 4 repeaters, waardoor u uw beveiligingssysteem flexibel kunt aanpassen aan uw behoeften.
Het apparaat is uitgerust met een 8-kanaals IPC-video-ingang, die is ontworpen om alarmen te downloaden, zodat er tijdig op eventuele incidenten kan worden gereageerd. Meldingen via sms, telefoontjes en video zijn ook inbegrepen, en een offline cache zorgt voor extra betrouwbaarheid.
De hub ondersteunt Wi-Fi 2.4G voor draadloze verbinding en heeft één RJ-45 Ethernet-poort (10/100 Mbps) voor bekabelde verbinding. Om de betrouwbaarheid en redundantie van de communicatie te vergroten, ondersteunt het apparaat de installatie van twee simkaarten.
Specificaties
| Draadloze zone | 150 kanalen draadloze randapparatuur (6 sirenes, 64 PIR-camera's (alleen 8 PIR-camera's voor binnen), 64 sleutelhangers, 8 toetsenborden en 4 repeaters) |
| Netwerkmodus | Ethernet, Wi-Fi en mobiel netwerk (ondersteunt de installatie van dubbele SIM-kaarten. Er kan slechts één kaart tegelijk worden ingeschakeld) |
| Netwerkpoort | 1 RJ-45, 10 Mbps/100 Mbps Ethernet-poort. |
| Opslagbatterij | Eén ingebouwde oplaadbare lithiumbatterij van 4.750 mAh. |
| Video-ingang | 8-kanaals IPC, die alleen het uploaden van alarmvideo's ondersteunt. |
| Audio-uitvoer | 1 kanaal |
| Volumeregeling | Ja |
| Stemuitzending | Telefoon en lokale spreker |
| Indicatielampje | De indicator geeft de status van alarmen, in en uitschakelen, de netwerkverbinding en apparaatstoringen aan. |
| Knop | Bevat een resetknop, spanningsknop en AP-schakelknop. |
| SMS | Ja (tot 5 telefoonnummers) |
| Telefoongesprek | Ja (tot 5 telefoonnummers) |
| Videoverbinding | Ja |
| Offline-cache | Slaat maximaal 50 alarmmeldingen op. |
| Bewapenen en ontwapenen | App, toetsenbord, afstandsbediening, kaart, gepland in- en uitschakelen. |
| Op afstand updaten | Cloud-update |
| Detectie van een lege batterij | Ja |
| Sabotage |
Ja |
| Gebruikersbeheer | 33 app-gebruikers (31 algemene gebruikers, 1 beheerder en 1 installateur) en 32 toetsenbordgebruikers |
| Logboeken | Tot 5.000 vermeldingen |
| Transmissieprotocol | SIA, SoftGuard |
| Carrier Frequency | 868,0–868,6 MHz |
| Zendervermogen (EIRP) | Limiet 25 mW |
| Communicatiemechanisme | Tweerichtingsverkeer |
| Communicatie afstand | Tot 2.000 m (6.561,68 ft) in een open ruimte. |
| Encryptiemodus | AES128 |
| Frequentieverspringing | Ja |
| Taal | Er worden maximaal 7 talen ondersteund voor SMS: Engels, Spaans (Latijns-Amerika), Frans, Italiaans, Arabisch, Turks en Deens. Standaard is Engels ingesteld. De alarmspraakberichtfunctie en lokale spreker ondersteunen alleen Engels. |
| Stroomvoorziening | 100–240 V wisselstroom, 50/60 Hz |
| Standby-tijd | De batterij gaat tot 12 uur mee als deze volledig is opgeladen en voldoet aan de volgende voorwaarden: Er is verbinding met wifi, de ID is gekoppeld aan de alarmcentrale, het hartslaginterval is 1800 seconden en er is verbinding met 8 randapparaten en de cloud. |
| Stroomverbruik | ≤12W |
| Bedrijfstemperatuur | Wanneer de batterij niet wordt opgeladen: –10 °C tot +55 °C (+14 °F) tot +131 °F) Als de batterij wordt opgeladen: 0 °C tot +45 °C (+32 °F tot +113 °F) |
| Bedrijfsvochtigheid | 10%–90% (RV) |
| Productafmetingen | 174,8 mm × 174,8 mm × 38,3 mm (6,88” × 6,88” × 1,51”) (L × B × H |
| Netto gewicht | 510 gram (1,12 pond) |
| Brutogewicht | 860 gram (1,90 pond) |
| Installatie | Geschikt voor wand- en bureaubladmontage. |
| Behuizingsmateriaal | PC + ABS |
| Certificeringen | CE |
| Corrosiewerend niveau | Basisbescherming |
| Opslagtemperatuur | –10 °C tot +55 °C (+14 °F tot +131 °F) |
| Opslagvochtigheid | 10%–90% (RV) |
| Verpakkingsafmetingen | 254 mm × 211 mm × 61 mm (10,00” × 8,31” × 2,40”) (L × B × H), vrijstaand in de binnendoos 524 mm × 508 mm × 442 mm (20,63” × 20,00” × 17,40“) (L × B × H), beschermhoes |
| Wi-Fi-standaard | IEEE 802.11b/g/n |
| Wi-Fi-frequentiebereik | 2400-2483,5 MHz |
| Wi-Fi-stroomoverdracht | ≤20 dBm bij 2400-2483,5 MHz |
| Zendervermogen (EIRP) | 4G: Vermogensklasse 3: 23 dBm±2dB 3G: Vermogensklasse 3: 24 dBm+1/-3dB 2G: Vermogensklasse 0: 30 dBm±3dB (GSM900) Vermogensklasse 5: 33 dBm±3dB (GSM1800) |
| Standaard voor mobiel netwerk | GSM/WCDMA/LTE |
| Frequentiebereik | RU: 4G: FDD-LTE: B1/B3/B7/B8/B20/B28; TDD-LTE: B38/B40/B41; 3G: WCDMA: B1/B5/B8; 2G： GSM: 1.800/900 MHz;₩EU: 4G: FDD-LTE: B1/B3/B7/B8/B20/B28A; TDD-LTE: B38/B40/B41; 3G: WCDMA: B1/B8; 2G： GSM-frequentie: 1.800/900 MHz; |
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2440 reviews
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Product Reviews
★★★★★ 1
Good interface but unwearable watch band
Color: Black
This review will be divided into 3 sections: looks, usability, and comfort.
LOOKS
I guess there's not much to say as style is very individual. I think this watch looks good for what you pay for it.
USABILITY
What I liked about this watch is that I could use it right out of the box. I have had basic Timex digital watches before (never this exact interface), and I was able to quickly figure it out. A quick glance at the manual to make sure I wasn't unaware of any features and I had 100% grasp of all the watch's features. The Timex interface puts many others to shame with its user-friendliness. On this model Timex has added a 'guide' on the display that tells you which button will do what-- increase number, decrease number, etc. This is cool. If you're even remotely handy with interfaces, once you learn this one, you'll know it backwards and forwards, and even if you forget, there's the in-display guide.
The functions are standard for a Timex digital-- time and date, stopwatch with lap timing, countdown timer, and alarm. There is a 2nd time zone but no dedicated mode for it. You access it by holding the 'start' button when in the time mode. I like this feature as I occasionally need to know when to call people in 1 particular time zone. But, for example, if you are often switching back and forth between 2 time zones, you will have to reset the time to have the watch display the correct time at all times. And if you need more than 2 time zones, sorry, out of luck. Stopwatch (chrono) is good. Don't use the lap counter much but it seems to work well. Some have complained that the 'start' and 'stop' should be on the same button. Overall, it is a very uncluttered and usable interface.
At first I thought it was very inaccurate at timekeeping, but it must have gotten accidentally reset because over the few months since I set it, it's only a couple seconds off from time.gov. very good timekeeping.
It seems very water resistant. I have taken it swimming, surfing, and it held up fine. I haven't thoroughly tested its shock resistance but it has done some hiking and climbing where it got banged around a bit and it still works.
COMFORT
Unfortunately what the watch has in user interface usability, it totally lacks in comfort. The strap is a huge disaster. It is very rigid and uncomfortable. The 'waffling' or indented designs near the bezel on each side of the strap create areas where the strap digs into the wrist. with any prolonged wearing, it gets worse and worse until your wrist is begging you to take it off.
The strap is just absolutely godawful. I have read reviews where G Shock owners said it was very good, well though out and comfortable. If that is the case, I shudder to imagine what a G Shock is like on the wrist. If constant pinching around sensitive areas on the side of the wrist seems like it would be the kind of thing to bother you, avoid this watch. I tried swapping it for another Timex band, which amazingly enough was uncomfortable it a DIFFERENT area! It seems Timex doesn't put much thought into their bands-- no part of the band should dig into the wrist. That's just obvious.
CONCLUSION
I really want to like this watch, I do. It's good-looking. It's very usable in terms of features. But the strap is terrible, so much so that the watch is unwearable. Unfortunately it took me about a week to figure this out, during which time the watch got sufficient wear so that it is no longer new, returnable condition. I am keeping it, using it as a 'beater' watch in the gym (I put my watch on the ground in the gym). If you purchase it I recommend you wear it for a good few hours while not doing anything that will scratch it, so that you can return it if need be.
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Reviewed in the United States on October 5, 2014
★★★★★ 5
Best purchase ever!!!
Color: G9901: Gold band & Gold dial, Color: G9901: Gold band & Gold dial
The best fit,size, quality,weight and value for the individual in my life. You can see all the moving parts in the watch and he loved it!!! Seriously considering getting more for my kids and another color for him.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
.
Color: G9901: Two tone band & Black dial
Very good quality and looks luxury
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Lo bollería a comprar
Color: G9901: Gold band & Black dial
Muy lujoso y elegantes un regalo excelente
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Make sure the clasp is suitable for the environment you will be wearing it in
Color: G9901: Black band & Black dial
I don't know if I didn't look closely at the clasp pick, or if I just didn't see one, but the clasp is a bit weakly designed for everyday wear. It's come unclasped twice in the 2 weeks I've been wearing it
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Reviewed in the United States on May 1, 2026