System parameters

• Operation system : Linux
• ROM : 32 MB
• RAM : 256 MB
• Processor : Embeded high performance processor

Video parameters

• Lens : 1
• Resolution
  • Main stream:1920 × 1080p and 1280 × 720p
  • Sub stream: 640 × 480p
• FOV : Horizontal: 124° Vertical: 75°
• Wide dynamic range (WDR) : Digital WDR/76.9 dB
• Supplement light : IR light, up to 3 m
• Video compression standard:  H.264

Audio parameters

• Audio input : 1 built-in omnidirectional microphone
• Audio compression standard : G.711 U, G.711 A
• Audio output : 1 built-in loudspeaker
• Audio compression bitrate : 64 Kbps
• Audio quality : Noise suppression and echo cancellation
• Volume adjustment : Adjustable

Capacity

• User capacity : 2000
• Card capacity : 10000
• Linked indoor station capacity : 2 (main indoor station)
• Sub door station capacity : 16

Network parameters

• Network protocol : TCP/IP, RTSP
• Wi-Fi : IEEE802.11b, IEEE802.11g, IEEE802.11n
• Received frequency : 2.4 to 2.4835 GHz
• Transmitted frequency : 2.4 to 2.4835 GHz
• Bandwidth : 20/40 MHz

Frequency power

• 802.11b:15 dBm +/- 1.5 dBm
• 802.11g:15 dBm +/- 1.5 dBm
• 802.11n(ht20):14 dBm +/- 1.5 dBm
• 802.11n(ht40):12 dBm +/- 1.5 dBm

Authentication

• Card reading frequency : 13.56 MHz

Device interfaces

• Alarm input : 4
• Network interface : 1 RJ-45,10/100 Mbps self-adaptive
• TAMPER : 1
• Exit button : 2
• RS-485 : 1
• TF card : Reserved
• Lock control : 2 relays, Max. 30 VDC 2 A
• Door contact input : 2

General

• Button : 2 physical buttons
• Installation : Surface mounting
• Indicator : 3
• Weight
  • Net weight: 0.370 kg
  • Gross weight: 0.637 kg
• Protective level : IP65, IK08
• Working temperature : -40 °C to 53 °C(-40 °F to 127.4 °F)
• Working humidity : 10% to 95% (no-condensing)
• Dimension (W × H × D) : 174 mm × 91 mm × 29 mm (6.9" × 3.6" × 1.1")
• Application environment : Outdoor
• Power consumption : < 10 W
• Language: English, French, Portuguese, Portuguese (Brazil), Spanish, Russian, German, Italian,
  Polish, Arabic, Turkish, Vietnamese, Hungarian, Dutch, Romanian, Czech, Bulgarian,
  Ukrainian, Croatian, Serbian, Greek, Slovak

1. Datasheet - HKV DS-KV8213-WME1