21 visiting now: 10 China China flag 7 USA USA flag 2 Vietnam Vietnam flag 1 France France flag 1 Russia Russia flag

U4 Portable Smart Digital Radio With Camera For Public Safety - China

price: contact company for price

1. Enhanced Feature

1- 1. Built in Camera, capture the image and send to another radio or group or console

1- 2. Wide Low Band transmit power output reach 5W

1- 3. Bluetooth upgrade to Class1, allow more far communication distance with our BT class1 Speaker Mic

1- 4. Built in SRD( Short Range Device Mini Cell wireless module) , allow to extend extension, use our Mini Cell as the extensions of 2 way Radio

1- 5. Optional FIPS- 140- 2 Level 3 certificated encryption module

1- 6. Supports 2 frequency repeater

1- 7. Reserve Frequency hopping for military

1- 8. Optional GPS, GLONASS or Beidou- 2 or Galileo Satellite navigation and positioning system

1- 9. Location when GPS signal is lost: Dead reckoning 3D Gyroscope, compass and 3D accelerometer module. 9 degree sensor module

2. Customized function for Military

2- 1. The Infantry support the Artillery fire aided system

2- 2. Radio detection positioning: According three Radio scanning the radio signals, can quickly detect a radio transmitter location GPS coordinates

2- 3. Use built- in camera to take the enemy situation and send back to command center

2- 4. GPS/ GLONASS/ Beidou- 2/ Galileo Satellite navigation and positioning system

2- 5. Team members locations can be displayed on the radio screen

2- 6. Electronic Compass

2- 7. Using over- the- air( OTA) command to assign a portable radio as repeater to extend the communication range

2- 8. Special lightweight carbon fiber antenna, easy to carry, expand up to 8m height, easy to extend the communication range

2- 9. Customized UAV carry U4 set repeater mode, expanded communications coverage

2- 10. Adapt an external 50W RF booster to get farther communication distance


Company Contact:


  • Phone: 8613660251692

  • Address: Zhujiang New Town, Guangzhou, China

  • Email: Email


Published date: April 29, 2014 -

  • Business Description: Guangzhou ComArt Communications Equipment Co. Ltd.( hereinafter referred to as Comart Co., Ltd), which is a company including R&D, production and sales.Its reputation because of the pursuit to perfect products, make it get a sustainable development management idea, and devote itself to the R&D, production and sales of wireless communication products and system. Its products and system include radio terminal, radio system, repeater, controllers, close ad hoc network wireless digital communication system, communication gateway/server, dedicated smartphone, various POCSAG/Flex/P25 Pager, etc.


    Comart Co., Ltd sales products in the form of ODM or private brand. all kinds of wireless communication products disigned and sold by Comart Co., Ltd, which the specifications and quality of are in line with international industry standard, getting the highest safety standards certification in Europe and America, recognized by the customers and specified to use.And the brand of ComArt(CommunicationsArt) means the attitude of Comart Co., Ltd that doing products likes doing art.


    The headquarters of Comart Co., Ltd is located in the centre of Guangzhou city, Huapu Square in Zhujiang New Town, which is its own property. The headquarters is next to Chow Tai Fook (Guangzhou) Center, The APM, The Guangzhou Museum, The Guangzhou Music Hall, and Consulate General of the Unite, which has a superior geographical location.The factory of Comart Co., Ltd is located in the beautiful spot Guangzhou Science City, and has many production lines.


    Comart Co., Ltd is a company set up by Seven radio experts. They Has been based on technology and committed to research and development of wireless communication products. They accumulated abundant radio communication technology and experience, and mastered and developed all the core technology from the RF circuit/antenna/baseband circuit/communication protocol/DSP algorithm to the upper application software. Now Comart Co., Lt has a number of technology patents.


    Under the leadership of the directors, Comart Co., Ltd broke the traditional thought, innovated boldly, and introduced the world's first smart radio. Smart radio has the independent operating system, build in a variety of communication protocols, which can be real time dynamic explained by DSP. And it can real time communication with all kinds of radios including DMR/P25 digital radios and analog radios whitout setting up or burning parameters in advance. It can use as not only regular radio but also cluster radio. Besides, we can customize the application according to your requirement.


    Comart Co., Ltd has a strong and experienced R&D team. The R&D team members with a total of 53, consist of 1 doctor, 10 senior engineers in master degree, 29 engineers in bachelor degree and 13 engineers in college degree. The engineers mainly graduated from the university of 211 project, such as Tongji University, Sun Yat Sen University, South China University of Technology, National University of Defense Technology and Shanghai Jiaotong University. The company set up a RF (radio frequency) laboratory, a Baseband (Baseband and audio) laboratory, a 3m waves isolation chamber, and 60 instruments used for experiment and research.


    Within a rigorous R&D process and quality control system, Comart Co., Ltd ensures the quality of products which are research and development by itself meets customer requirements. In addition, the company also has perfect welfare system, internal training system and evaluation system, including new hires company training course, the development training course of new staff, project development training courses, unscheduled training courses and so on.


    Our quality policy is innovation in R&D, continuous improvement, customers satisfaction, information communication, and management review. Our major market is in Europe and the United States. In order to meet the European and American customers strict requirements on the quality of products, our company developed a demanding r&d process and a quality assurance system which is stricter than the ISO9000 to ensure product quality. We think the quality of the product 80% is determined by the design, but the raw material quality control, product manufacturing quality, etc,only accounted for 20%. So we attach too much importance to the quality of R&D, especially the front quality of R&D (product conceptual design, system analysis and system design time) . Because if the opening is no good, the behind how fill all can't save the congenital deficiencies. We not only formulate rigorous R&D process and standard in order to ensure design quality, but also introduced the Motorola ALT2000 (accelerated aging test 2000 standard) to ensure the reliability and durability of products. All products of Comart Co., Ltd have to pass the ALT test before mass production.


    The manufacturing plant of Comart Co., Ltd has perfect quality management system, advanced equipment, well trained production workers and managers. Its rich production experiences and good manufacturing quality, which make it be recognized by manufacturers abroad.


    In the future, Comart Co., Ltd will be engaged in the R&D about the co existence of multiple connections and exchange field for long distance communication (Broadband Hopping 2 ways Radio/4G) and close communication (Mini Cell/BT/WIFI/NFC)、 wire communication(LAN/PSTN) and wireless communication. Nowadays in addition to strengthening the R&D team, Comart Co., Ltd also closly cooperate with research institutes at home and abroad to research and update generation communication system.

Related listings



  • U3 Portable Smart Digital Radio For Public Safety
    U3 Portable Smart Digital Radio For Public Safety
    Communications - Equipment - Comart Co., Ltd - China - April 29, 2014 - contact company for price

    1. Unique Feature 1- 1. Support Digital and Analog system simultaneous, included conventional and Trunked system. 1- 2. Automatically detects the type of signaling and switches to corresponding receiving mode to communicate with different type Radio ...

  • U3 Portable Smart Radio For Military
    U3 Portable Smart Radio For Military
    Communications - Equipment - Comart Co., Ltd - China - April 29, 2014 - contact company for price

    1. Unique Feature 1- 1. Support Digital and Analog system simultaneous, included conventional and Trunked system. 1- 2. Automatically detects the type of signaling and switches to corresponding receiving mode to communicate with different type Radio ...

  • U4 Portable Smart Radio With Camera For Military
    U4 Portable Smart Radio With Camera For Military
    Communications - Equipment - Comart Co., Ltd - China - April 29, 2014 - contact company for price

    The U4 is the U3 enhanced version, it built in 2Mega Pixels camera, besides all the U3 features, it also have the followings: 1. Enhanced Feature 1- 1. Built in Camera, capture the image and send to another radio or group or console 1- 2. Wide Low Ba...



Safe Trade Tips

  • Ask for business references and check them
  • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
  • Verify their business via their local Chamber of Commerce
  • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
  • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
  • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"