4K UHD COFDM Video Transmitter Module AES256 Encryption 300-2700MHz
4K UHD COFDM Video Transmitter Module AES256 Encryption 300-2700MHz
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Basic Infomation
Place of Origin: Shenzhen China
Brand Name: OEM / LinkAV
Certification: CE
Model Number: LKAV-1649K
High Light:

Portable Transmitter and Receiver


Wireless AV Transmitter and Receiver

Payment & Shipping Terms
Packaging Details: Brown Carton
Delivery Time: Negotiable
Payment Terms: T/T, PayPal
Supply Ability: 1000pcs/Month
Resolution: 4K/1080P/720P...
Frequency: 300-2700MHz
Latency: 60-100ms
Encryption: AES256
Size: 70x45mm
Weight: 31g
Product Description

4K UHD COFDM Video Transmitter Module AES256 Encryption 300-2700MHz


About LinkAV Technology
Founded in 2005, LinkAV has been dedicating to design and manufacture mobile wireless video/data transmission systems including COFDM, IP MESH and 4G-LTE series, with a group of professional engineers to provide tailor-made service (OEM). LinkAV serves a diverse, high demanding customer base from police/military to ordinary citizens, from UAV to UGV/Robots, from oil field to forest, from overseas to mainland China.

LinkAV is China leading manufacturer (OEM) of innovative wireless communications and information systems. Our advanced data link systems are ideal for critical communications in tactical unmanned systems such as unmanned ground vehicles (UGVs), unmanned aerial vehicles (Drones, UAVs) and unmanned surface vehicles (USVs), and are designed with portability and reliability foremost in mind.



The LKAV-1649K is a COFDM wireless HDMI/AHD & CVBS video transmitter designed to capture real-time, high-quality video from UAV/UGV/Body Cams for display on fixed or mobile receive applications. It features HD-SDI/AHD & CVBS inputs with COFDM transmission. Providing long range, reliable HD video transmission.



■ HDMI/AHD and CVBS dual video inputs

■ 4K UHD up to 30fps

■ 300MHz-2.7GHz frequency selectable

■ Transmission range up to 1-1.5km NLOS

■ 60-100ms low system latency

■ H.265 encoding

■ AES256 encryption

■ Compact size and light weight



Transmission Characteristics
Modulation COFDM
Modulation Type QPSK(4QAM), 16QAM, 64QAM
Frequency 300MHz-2.7GHz (Default 700MHz)
Output Power 0dBm
RF Bandwidth 2/4/6/8MHz
FEC 1/2, 2/3, 3/4, 7/8
Guard Interval 1/4, 1/8, 1/16, 1/32
Data Characteristics
Video Input

HDMI: 4K/1080p/1080i/720p/720i…

CVBS: 720x480/60i (NTSC), 720x576/50i (PAL)

Encoding H.265
RF Interface SMA F head
Parameter Settings Using the LED Control Box
Encryption AES256 (User defined password)
Electrical Characteristics
Working Voltage DC12V (7-24V)
Working Current ≤0.23A (@12V)
Power Consumption ≤2.8W
Physical Characteristics
Weight 31g
Dimensions 70x45mm
Working Temp. -20℃ ~ +70℃


Panel Description

4K UHD COFDM Video Transmitter Module AES256 Encryption 300-2700MHz 0


4K UHD COFDM Video Transmitter Module AES256 Encryption 300-2700MHz 1



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.

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Get in touch with us
Contact Person : Mr. Gordon Gong
Tel : 0086 15817349508
Fax : 86-755-83735058
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