Pingdingshan Shunfa bus company, vehicle 17 units, but the ticket regulators can not always control, the conductor always Sipiao not sell the invalid ballots, has been the lack of effective supervision, and later on tantamount 3G wireless monitoring, the second and the first day to do a comparison of the data, a line of eight cars, mounted and installed $ 600 difference, which is $ 70 per car, remove some weather factors, each car at least 40. Later after complete monitoring put the coin box, banned the conductor, revenue minus the cost of equipment this year, according to the bus company's budget, but also in the previous years, based on the net profit of 130,000. 3G car - solve the troubled passenger industry development chronic problem ticketing loss; Second safety management: traffic safety five super --- speeding, overcrowding, timeout driving super line-of-range; three effective in preventing car theft occur, provide strong evidence to help police improve the city's image and reduce the incidence of theft. Device model BE-A16 Series operating system embedded RTOS operating system video compression standard H.264 Preview resolution PAL: 704 x 576 (4CIF); NTSC: 704 x 480 (4CIF) resolution playback 4CIF/DCIF/2CIF/CIF / QCIF video input 1/4 Road (PAL / NTSC automatic identification; level: 1.0Vp-p, impedance: 75Ω) Video Output 1 channel (PAL / NTSC optional; Level: 1.0Vp-p, impedance: 75Ω) Video Frame Rate PAL: 1/16 to 25 frames / sec; NTSC: 1/16 to 30 frames / second video compression rate 32K ~ 2M adjustable, custom ceiling 8M (unit: bps) Audio compression standard OggVorbis audio input 1/2 Road (level: 2.0 ~ 2.4Vp-p, impedance: 1000Ω) audio output 1 channel (level: 2.0 ~ 2.4Vp-p, impedance: 600Ω) stream types can choose a single video stream or composite 3-way flow alarm input level of the signal input alarm output 1-way switch or dry contact signal output wireless network transmission module built-SMA antenna connector GPS positioning built-in high sensitivity GPS module, SMA antenna interface data storage SD card storage, support maximum capacity the 16GB data backup SD card backup, USB backup communications interface LAN, the USB interface of a delayed shutdown vehicle after flameout delay 5min ~ 6h after shutdown power input DC +6 ~ +36 V power supply output DC +12 V/2A + 5V/2A (USB port output) device power consumption 5W Operating Temperature -10 ℃ ~ +55 ℃ Operating humidity 10% to 95% Product Dimensions 155mm (W) x 45mm (height) × 105mm (D) Weight Approx 1Kg