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Features
ABS encryption for transmission security, two-way voice communication
Strong aluminum enclosure, water-proof, shake-proof
Totally enclosed type for system protection
NLOS and mobile transmission
Adjustable working frequency
Military standard connector; Lithium battery for power supply of the system
COFDM modulation and MPEG-2 video compression mode ensure the DVD video Quality
Diversity receiving; Audio/Video simultaneous transmission by the Omni-directional Antenna
Support one channel video input
Transmission distance can be 2-5km in Non line-of-sight condition
GFSK technology for the voice modulation
Narrow voice bandwidth; high receiving sensitivity
Adjustable voice working frequency
Selectable voice channels (total 64 channels and 24 addresses)
Transmitter Specification
Working Frequency | 320~400MHz 560~760MHz(customized) |
RF Bandwidth | 6/7/8MHz or 1.25/2.5MHz |
Power Output | ≥30dBm |
C/N Rate | ≤25dB @ 32dBm |
Modulation | OFDM |
Constellation | QPSK/16QAM @ 1.25/2.5MHz, |
QPSK/16QAM/64QAM @ 6/7/8MHz | |
FEC | 1/3,2/3 @ 1.25/2.5MHz, |
1/2, 2/3, 3/4, 5/6, 7/8 @ 6/7/8MHz | |
Carrier | 2K |
Guard Interval | 1/8, 1/16 @ 1.25/2.5MHz, |
1/4, 1/8, 1/16, 1/32 @ 6/7/8MHz | |
Video Input | 1~1.2Vp-p@75Ω |
Magnitude-frequency(dB) | 0~4.8MHz |
5.5MHz | |
Audio Input | Right/left, stereo |
RS232 Control Interface | Standard RS232 level,9600,8,N,1 |
RS232 Data Interface | Standard RS232 level,support 1200~115200 |
Voice Working Frequency | Customized |
Voice Receiving Sensitivity | ≤-110dBm |
Voice Modulation | GFSK |
Working Frequency Step | 150KHz |
Voice Decode Speed | Adjustable |
Audio Output | 2.1Vp(open circuit) |
Working Voltage | DC12V~DC16V |
Working Current | ≤1A DC12.5V |
Dimension158*100*21.5 | transmitter(mm): 227*100*21.5 lithium battery(mm):158*100*21.5 |
Weight | Transmitter(kg):0.83 lithium battery(kg):0.65 |
firefighting A/V transmitter