Entrusted by the Hainan Provincial Museum, the Hainan Provincial Government Procurement Center will organize the inquiry and procurement of the LED night lighting project of the unit in the near future. Welcome interested suppliers to participate.
1. Purchase number: HNGP2009-007049
2. Purchasing content: LED night scene lighting project of Hainan Provincial Museum. See the procurement documents for details.
3. Procurement documents are available for sale from August 5, 2009 to August 11, 2009 at 17:30 pm (excluding holidays)
4. Quotation time: August 13, 2009 at 9:30 am
5. Place of quotation: Hainan Provincial Government Procurement Center, Evaluation Room, 7th Floor, Anhai Building, No. 3 Huahai Road, Haikou City
6. Price of purchase documents: RMB 100 per set (plus 50 yuan for mail order). Purchase documents are not refundable after sale. (Requisition for purchase of remittance: Please specify the project name, project number, bidding company name, contact name, contact number and e-mail address of the purchase documents to be purchased, and fax it to our center 66529846 together with the remittance slip. The arrival time must be before the deadline for obtaining the bidding documents, contact: Miss Yan, telephone).
7. Supplier qualification requirements: (Suppliers must have the following conditions and issue relevant valid certification materials)
1) In accordance with the provisions of Article 22 of the Government Procurement Law and provide the 2008 financial statements, the first quarter of 2009, according to the law to pay taxes and social security records (the "financial statements" are not used as the conditions for scrapping).
2) If the product quoted by the bidder is not a manufacturer, it must be within the scope of business, otherwise its quotation will be rejected (subject to the “business scope†of the business license).
3) The quotation must be an independent corporate legal person.
4) The bidder must be a manufacturer of optoelectronic products.
5) The registered capital of the enterprise must reach RMB 3 million (inclusive) or more.
6) Qualified for three levels (including) in urban and road lighting engineering.
7) With ISO9000-2000 certification.
8) Have high-tech enterprise certification.
8. Government Procurement Center Bank Account
Account Name: Hainan Government Procurement Center
Bank of deposit: Agricultural Bank of China Haikou Jinmao Branch
account number
Contact person of Finance Department: Mr. Sun, Ms. Li, telephone, 32
9. Purchasing information and procurement results, please refer to: China Hainan Government Procurement Website ,
Hainan Provincial People's Government website http://, Hainan Provincial Government Procurement Center website , Hainan Economic News
10. Name of Purchasing Organization: Hainan Provincial Government Procurement Center Address: 7th Floor, Anhai Building, No. 3 Huahai Road, Haikou City Post Code: 570125 E-mail: Website:
Project leader: Chen Dongshuai telephone fax
Domestic communication, 4 g module in addition to support two kinds of LTE FDD LTE/TD - LTE standard, also compatible with 2 g / 3 g down, support td-scdma/WCDMA/EDGE/GP/GSM/CDMA1X/EVDO mode. The data service downstream rate can reach up to 100Mbps, the uplink rate can reach up to 50Mbps, providing customers with high-speed Internet access and wireless data connection and other functions. In addition to providing high-speed data access, it also provides voice, SMS, communication book and other functions, which can be widely used in notebook, tablet, touch screen communication devices, smart phones, video surveillance, multimedia mobile phones and vehicle equipment and other terminal products and vertical applications. Today, I will introduce you to what is 4G module and how to use 4G module.
What is 4G module
4G module said TD-LTE and FDD-LTE and other LTE network standards are collectively referred to. It has the characteristics of fast communication speed, wide network spectrum and flexible communication. 4G module refers to a product whose hardware is loaded to the specified frequency band, software supports the standard LTE protocol, and software and hardware are highly integrated and modular. The hardware integrates radio frequency and baseband on a small PCB board to complete wireless receiving, transmitting and baseband signal processing functions. The software supports voice dialing, SMS sending and receiving, dial-up networking and other functions.
Second, how to use 4G module
The 4G module is usually inserted into the circuit board or the patch module is welded to the circuit board, and the corresponding SIM card is inserted, and the network is connected through the 4G cellular network. In the common transparent transmission mode, data can be directly sent to the target server through the 4G module, and the 4G module can receive data from the server at the same time, and send the data to the serial port, which is received by the serial port device connected to the 4G module. Users do not need to pay special attention to the data conversion process between serial port data and network data packets, only need to insert the module to the target position, simple connection and parameter setting, you can achieve transparent transmission between the serial port and the network end.
What is the 4G module How does the 4G module work
4G module, also known as 4G transmission module, 4G communication module, 4G LTE module. It is a kind of hardware loaded to the specified frequency band, the software supports the standard LTE protocol, and the software and hardware are highly integrated modular products, with good compatibility, fast communication speed, large amount of communication data, wide network spectrum, communication flexibility and other characteristics, widely used in electric power, environmental protection, finance, industrial automation and other fields.
The working principle of 4G module
It has the characteristics of fast communication speed, wide network spectrum and flexible communication. The hardware integrates radio frequency and baseband on a small PCB board to complete wireless receiving, transmitting and baseband signal processing functions. The software supports voice dialing, SMS sending and receiving, dial-up networking and other functions.
Through high-speed networking, the 4G module transmits all terminal business data and equipment operating status to the business center in real time. Through the management monitoring platform, the terminal equipment operating status can be monitored in real time and equipment faults can be timely checked. The efficiency has been greatly improved in many aspects such as operating cost, operation scale and service timeliness. Suitable for shared massage chair, public charging pile, vending machine, vehicle system, environmental monitoring, power remote monitoring and other industries.
4G module refers to a product whose hardware is loaded to the specified frequency band, software supports the standard LTE protocol, and software and hardware are highly integrated and modular. It has the characteristics of fast communication speed, wide network spectrum and flexible communication. The hardware integrates radio frequency and baseband on a small PCB board to complete wireless receiving, transmitting and baseband signal processing functions. The software supports voice dialing, SMS sending and receiving, dial-up networking and other functions. Through high-speed networking, the 4G module transmits all terminal business data and equipment operating status to the business center in real time. Through the management monitoring platform, the terminal equipment operating status can be monitored in real time and equipment faults can be timely checked. The efficiency has been greatly improved in many aspects such as operating cost, operation scale and service timeliness.
Good compatibility
4G module supports FDD LTE/TD-LTE two LTE standards, can also be backward compatible with 2G/3G, support LTE-FDD, LET-TDD, WCDMA, TD-SCDMA, CDMA, GSM and other bands.
Large amount of communication data
4G module downstream rate can reach up to 150Mbps, uplink rate can reach up to 50Mbps, to provide customers with high-speed Internet access and wireless data connection and other functions, suitable for large data transmission applications, such as: remote video surveillance.
High communication speed
The 4G module has a lower ping value than the 2G/3G module, and it takes less time for the module to send data packets to receive the response from the server, which is suitable for applications requiring high response speed, such as remote alarm.
4G Module,4G Router Module,4G Wifi Module,4G Lte Wifi Module
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