LinkAV Technology Co., Ltd
LinkAV - Wireless Communication Specialist Focusing on Wireless Communication for over 19 Years!
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1.5km COFDM Video Transmitter HDMI & CVBS for Police AES256 Low Latency
The LKAV-1519 is a mini COFDM video transmitter specifically designed for covert video transmission applications. Its small size makes it ideally for covert video transmission or applications require battery power such as body-worn use. It can be placed in briefcase, backpack or small bags, the live video can be transmitted to the rear end as secret evidence. It can be used in public security, police law enforcement, video surveillances under complex environments.
Features
■ HDMI/CVBS dual video inputs
■ 1080p FHD up to 60fps
■ Transmission range up to 1-1.5km NLOS
■ Licensed and ISM frequencies (300MHz-2.7GHz)
■ 60-110ms low system latency
■ H.264 encoding
■ AES256 encryption
■ Rugged aluminum alloy housing
■ Compact size
Panel Description
① Antenna Interface – SMA F
② Power Switch – Switch left and right
③ Power Indicator – Green light
④ HDMI Input – Mini HDMI
⑤ 2.5mm Video Input – 3 pins (5V, Video, GND)
⑥ 3.5mm Video Input – 4 pins (12V, Video, Audio, GND)
⑦ Micro USB Interface – Be used to connect with programmer
⑧ 12V DC Input – Power input
Specification
| Transmission Characteristics | |
| Modulation | COFDM |
| Modulation Type | QPSK(4QAM), 16QAM, 64QAM |
| Working Frequency | 300MHz-2.7GHz (Default 700MHz) |
| Transmission Power | 30dBm |
| RF Bandwidth | 2-8MHz |
| FEC | 1/2, 2/3, 3/4, 7/8 |
| Guard Interval | 1/4, 1/8, 1/16, 1/32 |
| Latency | 60-110ms |
| Data Characteristics | |
| Video Input | HDMI:1080P/1080i/720P/720i… |
| AV: NTSC/PAL… | |
| Video Compression | H.264 |
| Audio Input | AV 3.5mm interface |
| RF Interface | SMA F head |
| Parameter Control Method | Digital LED control panel |
| Encryption | 256 bits AES (can set user password) |
| Electrical Characteristics | |
| Working Voltage | DC 12V |
| Working Current | 0.9A |
| Power Consumption | ≤ 40dBm |
| Battery Endurance | 1.5 hours |
| Physical Characteristics | |
| Working Environment | -20℃ ~ 70℃ |
| Dimensions | 85 x 65 x 30mm (w/o battery) |
| 120 × 65 × 30 mm (w/ battery) | |
| Weight | 238g (w/o battery) |
| 354g (w/ battery) | |
The LKAV-1104 Handheld COFDM receiver
The LKAV-1104 handheld COFDM receiver is a fully portable addition to the range of digital video products. It contains an integrated digital receiver for using with COFDM transmitter units. Compact, battery powered and light weight, the LKAV-1104 is designed for customers who require a discrete and completely portable surveillance solution. The intelligent design of the C1004 reduces setup time and ensures reliable reception of video, audio and data in non line of sight conditions. The LKAV-1104 is suitable for line of sight and non line of sight transmission. Further range may be achieved by selecting reception mode, booster amplifiers and antenna type. The unit can be combined with a variety of antennas and other RF accessories in order to achieve greater range.It is compatible with our COFDM transmitters.
Applications
FAQ
Q1: Are you a manufacturer or a trading company?
We're professional manufacturer specializing in wireless transmission systems.
Q2: Why should I choose you?
You'll get competitive price, prime quality, satisfied service and long warranty.
Q3: What kind of product service can I have?
OEM & ODM service.
Q4: What kind of warranty do you offer?
We offer one-year-warranty and lifelong maintenance.
Q5: What're the payment terms?
We accept bank transfer, PayPal, or cash payment.
Q6: Packaging & Shipping?
Neutral brown carton & Ship via DHL, FedEx, UPS, TNT or by air/sea.
Q7: How long for delivery?
1-3 weeks for regular model and 3-5 weeks for customized model.
Q8: Can I order 1 sample for test?
Yes, we welcome sample order, mixed samples are acceptable.
Q9: Do you have any MOQ limit?
No limit, 1pc is acceptable.
Q10: Is it OK to print my logo on the product?
Yes, please inform us formally before production and confirm the design firstly.
Our Advantages
■ Over 15 years experiences in wireless video solutions.
■ High product quality and competitive price.
■ Excellent pre-sale and after-sale technical team.
■ Quick response and fast delivery.
■ OEM supported.