Analogue Transmission Comparison: Computar, Alvarion (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Transmission type |
ISDN, PSTN
|
Radiowave
|
Radiowave
|
Radiowave
|
| Video Inputs |
6
|
--
|
--
|
--
|
| Alarm Inputs |
4 ~10
|
--
|
--
|
--
|
| TX/RX |
TX
|
--
|
--
|
TX
|
| Pre & Post Alarm Image Buffer |
✔
|
--
|
--
|
--
|
| Video Outputs |
1
|
--
|
--
|
--
|
| Image Colour |
Colour
|
--
|
--
|
--
|
| Bit rate Bps |
128 kbits
|
Up to 300 Mbps
|
--
|
--
|
| Interface |
H.320/ H.261/ H.221/ H.242/ H.224
|
Ethernet 10/100BaseT (RJ-45), E1/T1 Optional
|
--
|
1 x 10/100 Base-T port
|
| Signal Mode |
PAL, NTSC
|
--
|
--
|
--
|
| Transmission Range m |
--
|
60,000
|
--
|
--
|
| Bandwidth MHz |
--
|
5 MHz, 10 MHz, 20 MHz, 40 MHz
|
--
|
5, 7, 10
|
| Cross Talk dB |
--
|
--
|
--
|
27
|
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