Analogue Transmission Comparison: AVT, Heitel (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Transmission type |
High-End
|
--
|
--
|
High-End
|
| Video Inputs |
6
|
--
|
--
|
10
|
| Alarm Inputs |
4 ~10
|
--
|
--
|
11 ~ 16
|
| TX/RX |
TX/RX
|
--
|
--
|
TX
|
| Telemetry Control |
✔
|
--
|
--
|
✔
|
| Video Outputs |
6
|
--
|
--
|
--
|
| Bit rate Bps |
2 x 1 Mbps (max 1920 kbit/s)
|
--
|
--
|
--
|
| Interface |
E1, T1, X.21, RS449
|
--
|
--
|
LAN, USB 2.0, RS-232/485, RJ45
|
| Accessories |
--
|
TCP/IP Alarm Adaptor for transmission systems
|
PTZ remote Adaptor for transmission systems
|
--
|
| Built-in Modem |
--
|
--
|
--
|
✔
|
| Image Colour |
--
|
--
|
--
|
Colour
|
| Compression Type |
--
|
--
|
--
|
M-JPEG, JPEG
|
| Control |
--
|
--
|
--
|
PTZ
|
| Digital |
--
|
--
|
--
|
✔
|
| Signal Mode |
--
|
--
|
--
|
CCIR/PAL and EIA/NTSC
|
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