H.264 ABS AES Encryption Wireless AV Transimission Systems
Functions & Features:
N ABS/AES encryption
N Duplex-audio communication and GPS functions
N Working frequency directly adjustable on panel
N Working bandwidth adjustable range upto 200MHz
N Double lithium batteries with more than 4 hours' lasting time
N One-channel video and two-channel audio (left/right channel) simultaneously input
N Left/right channel audio and unbalanced stereo input
N Transmitter power output adjustable
N GFSK digital audio modulation, narrow receiving bandwidth and high sensitivity
N Good voice quality with internal en/decryption
N Audio frequency adjustable with built-in 64 channels and 24 addresses
N aluminium alloy case, waterproof, dustproof and good impact resistance
N standard frame carrier, fully-enclosed waterproof case for higher system safety
Power Supply |
Working voltage V |
DC12V~DC16V |
Working current A |
≤[email protected] |
Video Transmission |
Frequency output range |
300MHz~450MHz,560~760MHz or user customized |
RF bandwidth MHz |
2MHz (fixed) |
Power output |
21~36dBm power output adjustable with 1dB step |
C/N |
≥28dB@32dBm |
SHG |
>52dBc |
Encryption |
AES/ALLTECH Basic scrambling |
Modulation |
COFDM |
Constellation |
QPSK,16QAM,64QAM optional
QPSK/16QAM/64QAM @ 6/7/8MHz |
FEC |
1/2,2/3,3/4,5/6,7/8 optional |
Carrier |
2K |
GUI |
1/4, 1/8, 1/16, 1/32 optional |
Video encoding |
H.264 |
Video input level |
1~1.2Vp-p@75Ω |
Video input format |
PAL/NTSC |
Video resolution |
720x576(PAL) 720x480(NTSC) |
Video white bar amplitude mV |
650~720mV |
Video synchronous amplitude mV |
260~275mV |
Video amplitude-frequency characteristic dB |
0~4.8MHz |
-0.5~1.5 |
5.5MHz |
-4.0~1.5 |
Audio input |
Left/right channel, stereo |
RS232 control interface |
Standard RS232 level, 9600, 8, N, 1 |
RS232 data interface |
Standard RS232 level, support 1200~115200 |
Audio Receiving |
Audio Rx frequency range |
470.5~479.950MHz, factory setting:479.950MHz |
Audio Rx sensitivity |
≤-111dBm |
Audio Tx modulation |
GFSK |
Frequency step |
150KHz |
Audio decoding overall bitrate |
4800bps |
Audio output |
2.1Vp (open circuit output) |
GPS Receiving |
Signal receiving |
L1(1575.42MHz), C/A code |
Communication protocol |
NMEA0183 |
Sensitivity |
-165dBm |
Antenna |
Active antenna |
Data baudrate |
4800bps |
Data refresh rate |
1Hz |
Environment |
Protect standard |
IP66, dustproof and rainproof |
Working temperature |
-25°C~55°C |
Storage temperature |
-40°C~70°C |
Appearance |
Dimension |
238mm×140mm×75mm |
Weight |
2.5kg |