Best tplink archer c7 dual band wireless gigabit router

TPlink Archer C7 is more faster than N Series Router from TPLink. This Router with combined speed up to 1.75 GBps , with wireless data transfer rate 1.3 GBps wireless speeds in 5 GHz Band and 450 MBps in wireless transfer data rate in 2.4 GHz Band. make the tplink archer c7 reliable and good for HD streaming data , online gaming, and other tasks.

What Customer Say about TPLINK Archer C7 Wireless Gigabit Router ?

One customer said that this product was the Best Router for the Price.Good Speed, but Terrible Connection with my HTC M8.

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Motorola Surfboard SB6141

Motorola surfboard sb6141 easy to use, repeat the success of motorola sb6121, motorola surfboard sb6141 have faster data transfer rate with receive data over 300 MBps and over 100 MBps for sending data for multimedia use, gaming, streaming data.
This actual in speed will vary according to your ISP Network. 
Very compatible with Operating Systems Macintosh, Windows, Unix. 
A high broadband with utilize 8 channel for downstream and 4 channel for upstream with up to 300 MBps for receive data and up to 100 MBps for sending data. This Docsis 3.0 Modem Motorola Surfboard SB6141 is support IPv4 and IPv6 Internet Protocol for expanding more addressing capabilities.
DOCSIS is Data Over Cable Service Interface Specification is an international telecommunications terms for adding high bandwidth data transfer to an existing Cable TV (CATV) from  wikipedia.com
The deployment for old motorola sb6120 and sb6120 is easy, just replacement the old one with motorola sb6141 and the setup is simple, read the guidelines. 
Take the Time for doing your Research about this Product before you buy it 

The White Model of Motorola Surfboard arris sb6141 is a consumers model, it comes with warranty from the manufacturer motorola. If you choose the Black Model of Motorola Surfboard SB6141 is come without warranty. The Black model is issued for the ISP. And the Black model of motorola surfboard sb6141 come with old firmware, and the white model come with new firmware. The Black model is refurbished.
What customer  rate and say about this products :

Easy Install and Fast Speeds, no issues so far , still working great without issue, By J. Cameron

Fast, The modem is extremely easy to install, plug in, the speeds is fantastic By SmurfsRiot

1 1/2 year, still very happy with the modem, realiable manufacturer, good reviews from other, ease to setup, built for future with 8 up and 4 down bonding By Les L 

Best Tplink wireless n300 home router

Combining with Motorolla Arris Surfboard , tplink wireless n300 home router for wifi have a strong signal reception in around rooms in house, as long as there are no blocking wall from concrete wall. I am use this tplink wireless home router for wifi with motorolla modem. You can also can use Motorolla Arris Surfboard as a modem.

Almost 3 years we use tplink router wifi , and still in good condition. In our home, because computer is on almost in 24 hours, sometimes we must restart the computer , because the temperature of computer is too hot, sometimes I must restart the CPU , but overall the tplink router is fine. And works as it should be.

You can see at the picture below from windows status of tplink wireless router. I put my computer CPU at the living room with Motorolla Modem connected to tplink wireless router as a wifi. And I access from my room, across the living room, about 5-6 meter , but the position is turning about 1 meter and there is a wall in my room to tplink wireless router, and as you can see the signal strength from tplink wireless router still excellent.

So, this tplink wireless router is a good choice for your wifi and combining with motorolla modem,is a good system and solution for your home internet wireless access system.

This tplink wireless router is very simple in setup, just follow the instruction setup, and you will find it is very simple and anyone can do this setup and enjoy the access speed of internet from your room.

With motorolla arris surfboard sb6141 doc, it is perfect combination for your wireless home internet system. And for home small office , you can relax and enjoy while your in home or for you small office system.

Simple Transistor Tester with mA meter as Indicator

This Transistor circuit Tester use for testing whether your transistor it still in good condition or not. This circuit of transistor tester using mA meter as an Indicator.

This Transistor Tester use for check whether the transistor tested in good condition or not. If the transistor tested still in good condition, mA meter pin will move , if the transistor tested not in good condition mA meter will not move or steady.
Switch S1 and S2, is sliding switch for setting whether the transistor tested is NPN or PNP.

S3 is sliding switch for set capacity power of mA, in this circuit we use 1 mA meter.
S4 is Push On Switch for giving voltage current to tested transistor.

When we want to tested NPN Transistor, Switch S1 and S2 we connect to Q2 and Q4, and press Push On Switch S4 to test the transistor . If the transistor in Good condition, the pin of mA meter will move to on a number of measurement. If the transistor in not works well , the pin of mA meter will not move .

WSPR Radio Receiver Kit for 20 Meter Amateur Band Model RK-20

• Have fun receiving WSPR signals from around the world.
• Electronic Kit - Soldering and Assembly Required.
• Kit is for Intermediate to Advanced builders - not for beginners.
• Needs PC, USB port, sound card and free WSPR software to operate.
• User supplied antenna is required. No enclosure supplied.

Want some fun receiving specially coded WSPR radio signals from around the world. This receiver may be what you need. A PC with USB port and sound-card is needed. To operate you must install free software (search the web for WSPR software and articles). User supplies antenna wire and ground to operate. Power is taken from USB. The "weak signal propagation reporter" software or WSPR is designed to communicate with low power by Amateur Radio operators. Only 20M WSPR signals may be received with this unit. Photo shows all items in kit. Partially assembled kits may not be returned.
For WSPR software, you can download here for free use.