ITEM NAME:4-Channel Video Balun BNC UTP CAT5 Transmitter for CCTV/ Surveillance Camer F4I3 4-Channel Video Balun BNC UTP CAT5 Transmitter for CCTV/ Surveillance Camer F4I3 Brand new and high quality With the common CAT5 UTP cable the perfect transmission effect is available, which is applicable in many situations, such as video surveillance or video session. 4-channel video transmission is also realized via 8-wick CAT5 UTP. NTSC, PAL, CCIR, and SECAM video formats Frequency response: DC to 8MHz CMRR: 60DB Impedance of the BNC: 75 ohms Impedance of RJ45S: 100 ohms Working Temperature: -10Celsius to + 70Celsius Storage Temperature: -30Celsius to + 70Celsius Dimension: 75 x 50 x 25 mm (excluding the BNC's) package content:1 x video balun 1 x instruction manual 2 x screws Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.