The 3G4G Blog

I recently did a 4G voice presentation for beginners after realizing that even though so many years have passed after VoLTE was launched...

Huawei (see here and here ) has partnered with China Telecom and Bike sharing company called Ofo. ofo developed an IoT smart lock base...

Back in 2013, I spoke about Smart Batteries . Still waiting for someone to deliver on that. In the meantime I noticed that you can use an A...

I have discussed this problem in past, based on questions asked on various fora ( example ). Here is a video I made some weeks back. Will b...

The 5G System architecture (based on 3GPP TS 23.501 : System Architecture for the 5G System; Stage 2) consists of the following network f...

Picture Source: Cnet Bell Labs, which has played a significant role in telecoms history and has a very glorious list of achievements c...

Bluetooth 5 (not 5.0 - to simplify marketing messages and communication) was released last year. The main features being 2x Faster, 4x...

Source: North Star Post IMSI Catchers can be a real threat. It doesn't generally affect anyone unless someone is out to get them. ...

A recent AT&T blog post looks at how the fake cactus antennas are manufactured. I also took a closeup of a fake cactus antenna when...

I came across this interesting article in WSJ , courtesy of the Benedict Evans  newsletter,  which discusses how Indians are using their sm...