porducts list
- Auto Engine [1]
- Modems [1]
- Translation Services [2]
contact datails
CCOM Communications Technology Co.,Ltd
86-010-64360088
86-010-64360088
| A mini system integrates an antenna, a power amplifier, a digital
modulation, a digital compression of video & audio, a battery
group, etc. It can provide a wireless transmission of one video
channel, one audio channel and one optional asynchronous RS-232
data channel. The system has a palmtop size, a light weight and is
easy to put in a pocket. It is convenient for an ambulant video
& audio shooting and is available in individual-to-vehicle or
individual-to-centre application. Its typical transmission distance
in the city is 0.5-1 kilometers in NLOS(Non Light of Sight)
condition. The mini system is just a wireless transmitter, which must work with a receiver. |
|
| High Frequency Part | Baseband Part |
| > Working frequency: 150~900MHz,1000~1700MHz,2300~2700MHz > Transmitter output power: 500mW > Channel bandwidth: 1.25/2.5/3.5/8MHz > Transmitting frequency error tolerance110-5 > Output power error1dB > Antenna connector: N type@50 | > OFDM subcarrier amount: 2K / 4K > Protection time spacing: 1/32,1/16,1/8,1/4 > Modulation type: QPSK / 16QAM / 64QAM > Interlacing time: 0ms / 100ms / 200ms |
| System Parameters | Working Environment |
| > Transmitting delay: 5ms / 100ms / 250ms > Bit rate: 1~5.3Mbit/s > Receiving threshold level: Sensibility -140dBm > Transmission distance: 1 Km at 500mW in NLOS condition > Mobile rate: Receiving stably in 200 Km/h | > Power resource: DC:11V~17V > Power consumption: 12W(output power=800mW) 16W(output power=1800mW) > Working temperature: -25°C~60°C > Working humidity: 80% |
| Video/Audio/RS-232 Parameters |
| > Video format: PAL / NTSC > Image quality: D1, reach or better than DVD standard > Video resolving power: 625 or 576 lines, 720 pixels per line > Compress format: MPEG-2 / MPEG-4 > Audio input: Double tracks 12dBm > Audio coding: 728kbps stereo > Sampling frequency: 32kHz > Video/Audio connecto: RCA @ 75 > RS-232:150bps~38.4Kbps auto-adaptive, asynchronous, optional |
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