Model Name KD-SD4A-G4WF kit
System Language Chinese
Operation interface OSD menu
Password security User password and Administrator password
Audio & Audio Video input 4CH aviation connector
Video output 1CH AV out + 1CH I/O port + 1CH aviation connector(VGA/BNC)
Video display 1ch full screen/4ch split screen
Signal system PAL: 100 fps, CCIR 625tvl, 50 field
NTSC: 120 fps, CCIR 525tvl, 60 field
Image compression H.264 Main profile
Audio input 4CH aviation connector
Audio output 2CH AV out port
Compression format G.726
Recording & Storage Image resoluation 4*AHD(720P) or 4*Analog(960H/D1/HD1/CIF)
Video coding ISO14496-10
Video bit rate CIF: 256Kbps~1.5Mbps, multilevel image quality optional,
HD1: 600Kbps~2.5Mbps, multilevel image quality optional,
D1: 800Kbps~3Mbps, multilevel image quality optional,
720P: 1000Kbps~6Mbps, multilevel image quality optional,
8 video quality grades, highest grade 1 and lowest grade 8
Audio bit rate 5KB/s
Storage 2 SD card slots, each max support 256GB, loop recording, auto data overwrite
Communication ports RS232 1*RS232
RS485 1*RS485
RJ45 network NO
SIM card slot 1 SIM card slot
Wireless communication 3G Built-in 3G module optional(WCDMA/EVDO/TD-SCDMA)
4G Built-in 4G module optional(TD-LTE/FDD-LTE)
Wifi Built-in Wifi optional(2.4G/5.8G)
GPS Built-in GPS module optional, realtime geographic coordinates, speed information