Wireless Internet

Why You Need Wireless Internet?

By Tran Tinh

If you are a professional blogger, you should know that internet is an important factor that help you stay connected with your readers and make a lot of money too. How can you update your blog while internet is not accessible like you are at the bus station, on the train….That is why you really need wireless internet or wifi!

I am a junior blogger and I am only blogging on my free time but I hate being disconnected anytime even I am not at my desk. I love my friends chatting and talking with me both online and offline. Further, I also love reading offline messages when I am away. Therefore, I have just decided to install Belkin a wireless routers for my bedroom where I can access anywhere with my little laptop.

Last month, I had a long trip to Singapore and I was very happy as wifi is accessible everywhere even in the public toilets and I can connect with your family and friends anytime. But, it is different than my conditions here in Hanoi. A few places with wireless internet are located in the center but the network is too bad and the routers they are using are too old. Most of companies here are using D-Link routers to set up wireless internet but they do not use replace old ones with new routers to speed up their wireless network.

Some of my friends advised that whenever I would like to bring my own laptop or office supplies abroad, the first thing I should do is to double-check where the wireless device attached to my laptop is properly installed or not to make sure that I will be connected without any problems as I am not an IT expert.

Further, if you are using a desktop and you would not like to see a lot of cable around you, you can still make it connected to wireless by installing PC card and wireless adapter. These devices will help your desktop connect to wireless routers too. Good luck and hope you can do on your own now.

Antenna Wajan Bolic: Wajan Bolic Plus Box 2 in 1

TP-LINK is a global provider of SOHO networking products and No.1 market share holder in China, with products available in over 50 countries to tens of millions customers. Committed to powerful R&D, effective production and strict quality management, TP-LINK continues to provide award-winning networking products in Wireless, ADSL, Routers, Switches, Media Converters and Network Adapters for Global end-users. Since entering the international market in 2004, TP-LINK has become more and more invested in the international market. In 2007, we successfully started our first two overseas branch offices in Singapore and Sweden, with plans for our German, Indian, and Korean offices already taking effect, to better service local markets in Marketing, Logistics, Technical Services, RMA Services, and a host of other advantages, representing a new level of achievement in TP-Link's development. TP-LINK's integrated Independent R&D, and manufacturing is the fundamental base on which our success is built, consisting of a mesh of the best equipment, people and production management techniques. We have more than 260 experienced software and hardware R&D engineers and a well-equipped laboratory, complimented by partnerships with world-class technology companies Atheros, Broadcom, Marvell, Realtek, Intel and others. We also have two factories with a total annual capacity of 40 million units implementing 28 SMT production lines and a large number of QC testing equipments ensuring adherence to the ISO9001:2000 quality management system. Based on the confidence of tens of millions of customers, TP-LINK is now growing to become one of the most competitive providers of networking products with aspirations of becoming one of the Top 5 networking brands and striving for a larger Global market share, while further advancing in the world of networking to better serve our most valued customers with a product that makes their lives easier.

Wajan Bolic Plus Box 2 in 1

Wajan bolic 2 in 1 (two in one)

Sekedar saran saja mungkin bermanfaat, untuk yang suka eksperimen membuat Wajan Bolic dengan Radio AP/ Router, biasanya rekan2 kesulitan menempatkan klem pada wajan. Contoh ini mungkin ada manfaatnya wajan langsung di bor dan jadikan satu dengan box radio, penggunaan kabel Pigtail juga lebih leluasa.

sumber: http://p4lm3r4h.blogspot.com/

Antena Wajan Bolic & Panci Bolic

Edimax Enterprise solutions provide the network connectivity, security and management. Our products cover from the edge to core in your network. Click here to learn how to apply our products to your environments.
Edimax Technology is dedicated to the design, development, manufacturing and marketing of a broad range of networking solutions. Since Edimax was founded in Taiwan in 1986, the company has grown to be among Asia’s leading manufacturers of advanced network communication products. Edimax is headquartered in Taipei County, Taiwan, Republic of China, and is listed at the Taiwanese Stock Exchange since 2001. In 2006, the company’s revenue reached US $78 million and its current workforce counts over 750 employees worldwide.
Edimax’s global presence includes subsidiaries in the USA, China and Europe. The company maintains branch offices in Miami, San Jose, Beijing, the Netherlands, United Kingdom, Poland, Romania and most recently, France and Russia. Currently, Edimax serves over 70 countries via our worldwide distribution channels. Our successful growth lies in an established and continuously expanding partner channel network. Through our international distribution centers in Taiwan, San Jose, Miami and the Netherlands, we can offer logistic services and ensure a timely customer delivery and excellent RMA support worldwide.
Edimax’s Taiwan and China based engineering team accounts for over 20% of our worldwide staff. Their solid background and professional experience have contributed to our success in developing products to continuously meet market demands. Each year, we increase our investment in R&D to strengthen the capability to develop innovative products for today’s dynamic and fast-paced networking industry. All Edimax’s products are CE, FCC and C-Tick emission certified and driver compatibility tests are being performed by Microsoft, Novell and NSTL. In 2003, the company was ISO 9001 and ISO 14000 certified, further ensuring the highest quality of products and services. Edimax has additionally entered in strategic partnerships with several chipset vendors and participates among others in the Gigabit Ethernet Alliance.
Our mission is simple and clear: ‘Networking People Together’. With over 20 years experience in the networking industry, we are able to deliver the best-in-class solutions to our global partners and customer. We are committed to bringing the advantages of the latest networking technologies to the PC user by offering the best price-performance products and solutions. Our products do not only cater the needs of the SOHO and SME market, but also enable service providers to fully exploit business opportunities with other communication technologies. Through continual efforts in technology innovation, customer satisfaction and market developments, Edimax has proven to be a service and customer-oriented partner in networking.

Apa itu Antena WajanBolic?
Antena Parabolic yg terbuat dari wajan

Kalo Antena PanciBolic?
Antena Parabolic yg terbuat dari tutup panci

Antena WajanBolic / PanciBolic cocok untuk siapa?
Bagi yg pengin konek internet via wireless LAN dg cara hemat, ngirit man ... krn kocek pas2-an .. yach mlarat begitulah..

Bagi yg kuat malu, "Biar Jelek Asal Konek"

Bagi yg pengin 'nggantol' internet gratis dari kantor ke rumah atau kampus ke kos-kosan ... untuk tujuan positip tentunya


WajanBolic / PanciBolic berdasar radionya :
WajanBolic /PanciBolic dg Wifi USB, didesain untuk peralatan Client
WajanBolic / PanciBolic dg Access Point, bisa buat Point to Point, Point to Multipoint atau Client

Landasan Teori :
Struktur dasar Antena Parabolic :
Main reflector yg berbentuk parabola
Feeder yg posisinya terletak pada titik fokus parabola

Menentukan titik fokus parabola :

f = D^2/(16xc)

f : jarak titik fokus tegak lurus dari center parabola

D : Diameter parabola

c : kedalaman parabola

Menghitung Gain Antena Parabolic :

G = 10 Log Eff + 20 Log D + 20 Log f + 20.4

G : Gain antena (dB)

Eff : Effisiensi dish ( 0.4 ~ 0.5)

D : Diamater parabolic dish (m)

f : frekuensi (GHz)

Karena ditujukan untuk mendapatkan koneksi internet dg biaya peralatan Client yg relatif ringan maka dalam tulisan ini akan banyak membahas antena WajanBolic sbg Client dg radio jenis Wifi USB

Kemudahan-kemudahan dalam pembuatan Antena WajanBolic / Pancibolic + Wifi USB :

• Tidak Memerlukan pigtail
• Tidak ada pekerjaan penyolderan kabel dan konektor RF
• Tidak ada modifikasi di RF subsistem pada peralatan wifi shg tidak khawatir timbulnya SWR
• Tidak perlu bongkar casing PC dalam instalasinya spt jika menggunakan PCI Card
• Karena power supply wifi diambil dari port USB PC / Notebook shg tidak perlu power supply external dan POE (Power Over Ethernet) yg memudahkan saat Outdoor Live Test di lokasi yg tidak ada catuan listrik PLN
• Operasional koneksi ke Access Point mudah
• Karena bahan feeder dari pipa pralon bukan kaleng, maka pengerjaannya lebih mudah dan memperkecil kemungkinan terkena sayatan benda tajam
• Bahan-bahan relatif mudah didapatkan

Beberapa kekurangannya :

• Karena berupa solid dish maka pengaruh angin cukup besar sehingga perlu mounting antena ke tower yg kuat
• Untuk keperluan outdoor diperlukan kabel USB extender 10 ~ 15 m yg mesti dibuat sendiri karena kalo menggunakan beberapa kabel USB repeater yg pajang per segmen 5 m, harga perangkat jadi mahal, mahal di kabel USB repeater
• Tampangnya agak memalukan ... nDeso..

Sumber Tulisan: http://wajanbolic.blogspot.com/