Korea Digital Forecast by an independent research company designed mini-converter box, Bridge1000SDA [3G / HD / SD SDI 4 inputs / 1 output X4], four SDI signal input. In support of the APC, through press toggle switch, 4 SDI outputs to any one way is to select the input signal. Application? Signal distributor or source signal selector? Simple HD SD source signal converter? Broadcast camera remote converter? HD surveillance cameras remote converter? Small broadcasting system features? HD / SDI distribution amplifiers four election? 4 Road HD / SDI input signal selection (SD / HD / 3G)? 4-way HD-SDI output 1 is selected source signal (SD / HD / 3G)? RS422 or RS232 remote control? DC7V ~ 24V wide operating range of physical characteristics? Dimensions (W x H x D): 106 × 96 × 30 (mm) Weight:? 225 g power level:? +12 V DC Power consumption:? 4.27 watts (maximum: 5 W) Operating temperature:? -20 ℃ ~ 70 ℃℃ Humidity: 0? 至 95% RH, non-condensing digital video format specification to support multi-rate SDI SMPTE 125M:?? NTSC (480i 59.94), PAL (576i 50) SMPTE 296M:? 720p (60 / 59.94 / 50 ) SMPTE-274M, SMPTE-292M:?? 1080i (60 / 59.94 / 50) 1080p (30 / 29.97 / 25/24 / 23.98) SMPTE-424M: 1080p (60 / 59.94) 3G purchase if there is demand, you are welcome to use contact us, we will be happy to help you: Des Beijing Rui Cheng Technology Co., Ltd. Tel: 010-59396120 Fax: 010-59396120-102 mail: sundrich@126.com official website: www.sundrich.com