... -bit digital encoding/decoding * Easy installation and adjustment free * 8MHz video bandwidth, compatible with NTSC, PAL and SECAM * RS232 ... systemSpecificationsVideo performance:* Number of video channel: 1 channel* Video connector: BNC* Video bandwidth: 5Hz - 10MHz* Video input/output impedance: 75Ω ... / duplex* Data interface: RS-232, RS-422 (full duplex), RS-485 (2/4 lines), Manchester,Biphase* Bit ...