COFDM Wireless Video Receiver 4Ch with DVR

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
1 set
Supply Capability:
500 set/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Item specifice:

Brand Name: Safe Guard Model Number: SG-CH4 Frequency: 300-800MHz/1.2G/2.4G/5.8GHz (optional)
Memory: 60G/120G, 4 channel 48 hours recording LCD monitor: 17 Customization: All features can be changed as your prefer!
Data encryption: AES / ALLTECH Basic scrambling Voltage: AC220V±20V, DC14V~DC16V Size: 520*430*210mm
Weight: 22kg Bandwidth: 2/2.5/4/8MHz (adjustable)

Product Description:

Model: SG-CH4

1) MPEG-2 video compression, DVD video quality; 
2) Modular design and highly integrated
3) 17" Standard samsung LCD screen;
4) Built in with 60G SSD memory;
5) Support 4 channels 48 hours continuously recording;
6) Can support RS485/RS232 and av signals transmission simultaneously;
7) Nobody can steal your video and audio because of its data encryption.
8) NTSC/PAL automatically adapt, support user adjustable;
9) Supports high-speed mobile NLOS ( Non Light Of Sight ) reception;
10) Adjustable working frequency,bandwidth,RF power and etc.
11) COFDM modulation, Stable signal reception;
12) Can custom made with HDMI/SDI hd interface output;

COFDM Wireless Video Receiver 4Ch with DVR

This picture is just for your reference, we can custom made different functionalities according you needs. 

Product Parameters


300-800MHz/1.2G/2.4G/5.8GHz (optional)


 60G/120G, 4 channel 48 hours recording

LCD monitor 


 RF Level Input


RF Interface


AV output




Power supply

AC220V / DC12V


2/2.5/4/8MHz (adjustable)



Data control interface

Standard RS232/RS485/TTL level,9600,8,N,1

RS232/RS485 data interface

Standard RS232/RS485 level, support 1200~115200


1/2,2/3,3/4,5/6,7/8 (optional) 

Guard Interval 

1/32,1/16,1/8,1/4 (optional) 

Video Output 

1 line PAL/NTSC analog video 

 Video Decoding

 ISO/IEC13818-2  MPEG-2MP@ML


720×576(PAL) , 720×480(NTSC) 

Lines of horizontal 

625 or 525 Line 

Audio Output 

Analog stereo left and right channels 

Data encryption 

AES / ALLTECH Basic scrambling 


AC220V±20V, DC14V~DC16V

Work environment


Built in Battery

30000mA, support 4ch 48 hours recording





Product Application

COFDM Wireless Video Receiver 4Ch with DVR

COFDM Wireless Video Receiver 4Ch with DVR

COFDM Wireless Video Receiver 4Ch with DVR

Our Services

One year free warranty;
Three months for free spare parts (Replacement parts will be charged after a year);
24-h technical guidance;
One-stop ODM/OEM solution;
We provide professional system design and construction;
We have over 15 years experience's study, design and manufacturing in wireless microwave transmission area;
We are the professional plant source,so we can provide you high quality in best price.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:What's the profit of security monitoring project?
But profits in about 30% can do, but after a year, or included in the 30% from inside it is hard to sayThe investment is approximately as follows:Pavement decoration twenty thousandAbout five thousand of the sample facilities (CCTV, TV and video host), one for computer monitoring and one for acquisition card;About five thousand samples (all types and accessories, accessories should be complete), commonly used models must be properly prepared...
Q:Consult the product that I buy, can you do monitoring?
Embedded systems running for more than 10 years, professional use has been completely divorced from the computer system, as far as we are now using mobile phones, set-top boxes, satellite receivers, radar, etc.
Q:Security surveillance camera, the camera's 60 shell and 90 shell difference
60 and 90 are the diameter of the shell, and the 60 case is much smaller than the 90
Q:What subsystems does security include?
Security systemThe security system (SecurityProtection System, SPS) is to maintain social public security for the purpose of the use of security products and other related products of intrusion alarm systems, video monitor system, entrance control system, safety inspection system, or by the system is the combination or integration of the electronic system or network.
Q:What qualifications do you need for security?
Security qualification mainly refers to the engineering qualification of security engineering. The application and standard of security intelligence is based on the security industry development situation and requirements, by China CSPIA (hereinafter called anxie) on self-discipline is one of the main form of enterprise file security project launched the qualification evaluation system.
Q:What are the sales methods of security engineering?
Introduce security products, to highlight product characteristics, as well as other brands of security products compared to advantages.
Q:I would like to do promotion in Baidu, my product is security, how to do, specifically how to charge?
As long as the product quality is good. High performance price ratio. Don't worry about selling. What's more, your service. Thank you Hit so many words. I hope I can help you
Q:I just started, is to do security monitoring project, I do not know how to start living running project,
I just graduated a year, enter the security also soon, oneself also engage in learning in the inside front side, also recruited a number of sales every street, but no effect, then I run slowly better.
Q:Begged, "security monitoring" for the record, where do you need to go? What materials need to be prepared?
Security monitoring and construction qualification certificate of sales to the local public security organs security departments for the record, or consult the local security association.
Q:What do I need to do if I buy security products?
Draw a map of the range and pattern you want to monitor, and mark the distance roughlyMake sure you monitor the requirementsFor example, clarity or clarity?,Do you want to watch it in the evening, whether you want to watch it remotely via the Internet, or whether you want to look through your cell phone?Then go to the seller and ask him to design according to your request

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range