The PufangTech UHF wireless modem operates in 400MHz to 470MHz frequency band and has a range of 1 to 10Km through buildings and up to 30Km line of sight. It transmits and receives half duplex serial data at interface baud rates of 1200bps to 115200bps with narrow band digital frequency modulation.
The configuration menu of the wireless modem can be accessed by a Windows based program running on PC. The design has been optimized for low current consumption and reliability, making PufangTech`s UHF wireless modems suitable for operation on remote sites.
Applications of PufangTech`s UHF wireless modem include SCADA, telemetry, security, command & control, data logging, remote switching or other similar applications where serial data needs to be transmitted and cable is not a practical solution.
UHF Wireless Modem,VHF Wireless Audio Modem,UHF Wireless Data Radio Modem,UHF HF Wireless Modem Shenzhen PuFang Technology Co., Ltd. , https://www.hytelus.com
On December 14-15, 2012, the high-tech LED conference, known as the "LED Oscar of the Year", was successfully held at the Mission Hills Golf Club in Shenzhen. On the evening of the 14th, after more than 300 LED CEOs voted on the spot, they selected the 2012 LED good products, a total of 24 categories and 24 sub-district awards, and awarded the high-tech LED Golden Globe Award trophy.
Among them, Shanxi Guangyu Semiconductor Co., Ltd. (hereinafter referred to as Guangyu), a member of G20-LED Summit, won the Golden LED Award for Street Light/Tunnel Light with the GY500 (10-40) series of street lamps. "This is an affirmation of Guangyu LED streetlights, and it is also an affirmation of the progress of domestic LED streetlight technology, indicating that the wave of LED streetlights is coming." Xu Min, vice president of Guangyu Semiconductor Technology, mentioned.
Affected by national policies, the national LED road lighting wave has been repeated, and various governments have introduced plans to complete the replacement of LED lighting in the main roads in the region in the next few years. However, this kind of mandatory promotion has no doubt about the voice. "LED streetlight technology is not fully mature, and there have been many failure cases. If there are doubts, it is inevitable," said Xu Min.
"Lighting Channels" : First of all, Congratulations to Guangyu at the 2012 High-tech LED Conference, which won the Golden Globe Award for street lamps, indicating that the performance of this product is highly praised by everyone. Please briefly talk about the advantages and features of this product?
Xu Min : As a well-known enterprise in the field of LED lighting in China, Guangyu has made great achievements in the field of outdoor lighting. This award-winning GY500 (10-40) series of street lamps is Guangyu's safety requirements for road and street lighting in accordance with GB7000.5-2005. 》Standard and Q/14100GY004 "Series of LED roads and street lighting" enterprise standard manufacturing, a new environmentally friendly, energy efficient new road lighting.
The product has reasonable structure, beautiful appearance, heat and humidity resistance, good sealing performance; fast start-up, high luminous efficiency, no flicker, no harm to eyes and skin, and relatively safe to use; select high-power LEDs independently developed by Guangyu The light source has a service life of more than 30,000 hours; Guangyu independently molds and is easy to install, disassemble and replace. GY500 (10-40) series of street lamps are suitable for lighting in urban roads, residential areas, industrial areas, sidewalks, squares, parks, schools, villas, etc.
"Lighting Channels" : In 2012, the government's support for LED lighting increased, and LED lighting was launched nationwide, especially the wave of LED road promotion. In the meantime, some people have questioned such forced promotion. What do you think?
Xu Min : Affected by Guangdong Province, in the LED lighting procurement of local governments in 2012, the procurement of LED street lamps is very eye-catching and the most competitive. As far as I know, the government procurement scale of LED lighting products in 2012 was 262 million yuan, and the purchase of street lamps reached 105 million yuan. This shows that the government is still very confident in promoting LED street lights.
At the same time, street lamp purchases are usually open tenders. Relevant road lighting enterprises need to be selected by multiple bidding and strict examination and approval. The intensity of competition can be imagined, and the quality and performance of government procurement products are guaranteed from the source.
In 2012, Guangyu also undertook a number of major projects in China, among which the Qianjiang Tunnel Project, which is the most important one, was a key project promoted by the five ministries.
At that time, the bidders selected 28 production enterprises in the country for evaluation of lamps, and there were some international big companies. In the end, only four companies were selected for the lighting test. In the past six months, the comprehensive indicators of Guangyu Lighting ranked first. In June last year, Guangyu successfully won the bid for the project and provided 3000 tunnel lights for the project.
Of course, the current LED street light technology is not fully mature, and there have been many failure cases. It is inevitable that there are doubts.
"Lighting Channels" : In 2012, the price of LED industry chain products fell sharply. Although the price decline was conducive to the promotion of LED lighting scale, it also caused the company's net profit to drop sharply. Now that the industry is entering a low-profit era, how do you think companies should survive?
Xu Min : In 2012, the domestic market price war was very powerful, and it had a huge impact on the net profit of related LED companies. At the same time, affected by the European debt crisis, export export performance is not optimistic, especially in the Americas market, the Chinese LED lighting barriers have been adjusted accordingly, and many domestic LED-dependent export enterprises have seen a sharp decline in exports.
It is an indisputable fact that the industry has entered the era of low profit, and many LED companies are facing a big test of life and death. In response to the industrial environment of internal and external troubles, Coslight will make corresponding adjustments in terms of product prices and export certification according to the actual situation of domestic and foreign markets.
First, adjust the sales layout of foreign markets, including marketing models and propaganda methods. For domestic LED companies, the North American market has great potential, but the entry threshold is relatively high, requiring companies to invest more energy in intensive cultivation. It is expected that at the beginning of this year, Guangyu's product certification for the North American market will be approved, clearing the obstacles for Guangyu's export to the North American market.
Guangyu has accumulated a number of relatively stable partners in Europe, which will become a key area for the export of Guangyu products. The African market is heavily influenced by the European market, and Coslight products are sold to Africa through European market channels.
Second, strengthen the sales talent team. In 2012, Guangyu's performance in foreign markets declined slightly, but there was a corresponding increase in the domestic market. Coslight hopes to achieve rapid growth in performance by strengthening the sales force team, especially the domestic marketing team.
At present, the Guangyu business team has reached more than 90 people, plus sales support staff, program designers, marketing management personnel, the entire sales team size of about 120 people. Of course, the premise is that the quality of Guangyu's products must be high.
"Lighting Channels" : Some insiders believe that the scale of the domestic LED lighting market will usher in 2013. How do you view the performance of LED lighting in 2013? What kind of strategic planning will Guangyu make for these performances?
Xu Min : In 2012, led by the government, the LED lighting promotion boom was launched nationwide, and the pace of lighting replacement in public areas in the next few years was clearly defined. This move will drive the development of outdoor lighting. At the same time, the national policy began to focus on the terminal lighting market, and the subsidy object will be transferred from the upstream to the downstream, so indoor lighting is expected to usher in 2013.
For companies that are striving for long-term development, establishing a brand and establishing a channel will always be the same theme. As Dr. Zhang Xiaofei said, the next three years will be the key to the construction of domestic LED enterprise channels, which will determine the success or failure of the company. Therefore, Guangyu will increase channel construction efforts and establish and improve multi-channels including export channels, domestic sales channels, engineering channels and terminal retail.
At the same time, Guangyu also needs to establish its own brand image in the field of indoor lighting. Guangyu outdoor lighting is famous, but in the field of indoor lighting, the brand of Coslight is not well known, and even many people are unheard of. In the case of man-made, Guangyu hopes to establish Guangyu's indoor lighting brand through the construction of relevant sales channels and corresponding brand promotion activities. 
Shanxi Guangyu: LED street light promotion wave
[Source: Gaogong LED 's " LED Lighting Channel" magazine February issue reporter / Xiong Yuheng]