Product description:
DDG-8000DBBF "backpack" is a single soldier backpack non-line-of-sight mobile image transmission equipment. Transmitter set
Transmitting antenna, power amplifier, digital modulation, video and audio digital compression, battery pack in one, can be carried by individual soldier.
Easy to carry and install. It transmits one image, two accompanying sounds and one data (optional). It is suitable for single soldier.——
Vehicle, soldier-fixed point, also suitable for vehicle-vehicle, ship-ship high-definition image acquisition between fleet or fleet
The transmission distance can reach 3-30 km under the condition of through-view. It can be widely used in land, sea, jungle, etc.
Obstacles such as mountains, air and cities.
Technical parameters:
High Frequency Unit
Operating frequency 150-900MHz, 1000-1700MHz, 2300-2700MHz optional
The maximum output power of transmitter is 1W, 2W, 5W, 10W, 20W, 50W, 100W.
Channel bandwidth 8/4/2.5MHz is optional
Transmission frequency tolerance & plusmn; below 1*10-5
Emission power output error - plusmn; less than 1dB
Receiver input level 0dBm ~ - 103dBm 105dBm 107dBm
Wireless Interface SMA Type 50
Baseband element
OFDM Subcarrier Number 24K Mode/4K Mode
Protection interval 1/32, 1/16, 1/8, 1/4 is optional
Channel coding 1/2, 2/3, 3/4 is optional
Modulation Constellation QPSK/16QAM/64QAM Optional
Deep interleaving/medium interleaving (100ms)/long interleaving (200ms) is optional
Systematic Indicators
System transmission delay 5 ms/100 ms/200 MS is optional (determined by interleaving depth)
The transmission rate is adjustable from 1.5 to 32 Mbit/s
Receiving threshold level sensitivity - 103 dBm (10-6BER@4MHz channel width band LNA)
The transmission distance of 20W transmitting module is more than 20 kilometers (more than 100 kilometers in visual pass)
Steady Receiving at 200 km/h Moving Speed
Video recording function uses H.264 video compression technology, D1 video recording, 25/30 frames per second independent hardware compression.
Video Mode Timing Video, Manual Video, Mobile Detection Video, Alarm Video
Video/audio parameters
Image format PAL or NTSC composite video
Image quality D1 image. Achieve or exceed DVD effect
Image resolution row standard: 625 or 525 line horizontal resolution: 720 pixel vertical resolution: 576 (625 line)
Compression Standard MPEG4 Compatible with MPEG2
Coding rate 1M~20Mbps
Sound Input Dual Channel 12 dBm
Sound Coding 728 Kbps Stereo
Sampling frequency 32KHz
Video-Audio Interface RCA@75 Ohm Imbalance
Auxiliary data 150 bps~38.4 Kbps Rs232 data adaptation (optional)
Network Port Output Receiver is equipped with 32kb-4000kb adjustable output stream (optional)
work environment
Control interface Rs232 DB-9
The control user can select 8 pre-set channels through the panel.
Encryption 4/2.5MHz module and equipment equipped with AES encryption
Power supply DC8.5V~17V, AC220V
The power consumption of the whole machine is 12W@Pout=800mW and 16W@Pout=1800mW.
The whole machine weighs 650 grams (excluding external distribution batteries)
Working temperature - 25 ~60 C
Working humidity 80%
Positioning control supports two-way interphone GPS positioning function of platform, lens and voice (optional)
