- CCTV Camera[6]
- CCTV DVR[6]
- DVR Card[6]
- Other Surveillance Products[6]
- Baby Monitors[6]
- CCTV Accessories[5]
- AC/DC Adapters[1]
- CCTV Monitor[1]
- Alarm[6]
- Contact Person : Ms. Ouyang Rowena
- Company Name : New Surway Digital Technology (Shenzhen) Co., Ltd.
- Tel : 86-755-83932980
- Fax : 0755-83931639
- Address : Guangdong,shenzhen,4th Floor, 1st Building, FUGUO Industrial Park, North KAIFENG Road, Shangmeilin Area, FUTIAN District, SHENZHEN,CHINA
- Country/Region : China
- Zip : 518000
NT-621 Series balun
Model | DC12V Power &Audio Transmit (NT-621A) |
AC24V Power Transmit (NT-621B) | |
AC24V Power &Audio Transmit (NT-621C) | |
Environment | Close-Circuit TV (CCTV) equipment for security and surveillance |
Devices | CCTV cameras, monitors, switchers, sequencers, multiplexer, digital video recorders (DVR) and other CCTV equipment |
Transmission | Transparent to the user |
Bandwidth | Video: DC to 8 MHz |
Maximum Input | 1.1 Vp-p |
Insertion Loss | Less than 2 dB per pair over the frequency range from DC to 8 MHz |
Return Loss | Greater than 15 dB over the frequency range from DC to 8MHz |
Common Mode | Greater than 40 dB @ 8 MHz |
Max. Distance for Color Video | Cat 600meters |
Cable - UTP | 24 Gauge or lower solid copper twisted pair wire impedance: 100 ohms at 1 MHz Maximum capacitance: 20 pf / foot. Attenuation: 6.6 dB / 1000 ft at 1 MHz |
Cable - BNC | Impedance: 75 ohms at 1 MHz (RG59 / U). Maximum 25 ft. of coax allowed per end-to-end link. |
Connectors | RJ 45 Pin 4, Pin 5 for video. |
Impedance | Input: 75 ohms (BNC) Output: 100 ohms (RJ45) |
Temperature | Operating: 0 to 55 C. Storage: -20 to 85 C. Humidity: up to 95% |
NT-621 Series balun
