Datang: I was exposed by Princess Changle

Lin Xuan couldn't bear to explain to him from beginning to end, so he said perfunctorily: "Hui Tailang, that is a character who knows how to invent and never gives up. He is happy, he is a helpful person, he is smart and witty, and he is a hero." figure."

Li Shimin sounds good, interesting!

Later, after Lin Xuan invented the walkie-talkie, it was used as their private calling.

And Empress Changsun, who was at the side, was very surprised when she heard it from the beginning to the end!

Your Majesty and the Azure Dragon King are more than 50 kilometers apart, yet they can communicate smoothly through this walkie-talkie without any hindrance!

Artifact!

It's an artifact!

Empress Changsun was amazed!

However, on the other hand, Empress Changsun was also powerless to complain.

Your Majesty, what kind of strange code is this?

Such a magic tool as the walkie-talkie is actually used by His Majesty as a tool for small talk? !

Empress Changsun was speechless for such a violent recklessness!

At first, Li Shimin was very surprised by the walkie-talkie, but he got used to it later.

One day in the middle, because the battery was dead, what made him anxious was that there was no master.

I think it must be because I chatted with Lin Xuan every day, so I drained Lin Xuan's power.

The more Li Shimin thought about it, the more he blamed himself, and he rushed to Lin's mansion that night.

As a result, early the next morning.

Lin Xuan was in his own yard, and met Li Shimin, who was busy in the world.

He frowned, and said with an aggrieved face: "Qinglong King, when will your immortal power recover?"

"Look, my walkie-talkie is out of battery..."

Made Lin Xuan look dazed!

The point is, because of the previous joke, Lin Xuan's bragging was also exposed.

Lin Xuan had no choice but to silently install two new batteries into Li Shimin's walkie-talkie.

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Chapter 282 Why Don't You Believe It?

After Li Shimin's walkie-talkie was powered on, Li Shimin said to Lin Xuan happily: "With this walkie-talkie, will I be able to know the situation of the frontier battle in real time when I am in the palace?"

"How about giving the generals on the frontier a walkie-talkie!"

"How much, I will pay you!"

Lin Xuan was speechless for a while when he heard the words, and silently slandered: Brother, this is a simple walkie-talkie!

There is no problem with short-distance communication.

But in order to meet your requirements, the antenna of the original walkie-talkie must be connected with the communication satellite to achieve it!

What era is this?

Tang Dynasty!

Where do you ask me to find you a supported satellite and walkie-talkie communication?

Do you think I look like a satellite?

You send me to the sky first, I will be a satellite, okay?

Of course, this was all Lin Xuan's silent complaint.

Using mobile phones in future generations can realize the smooth communication of global calls.

But the premise also needs the support of satellites.

In the early days, people used the telegraph to communicate.

Just like in the TV series, it keeps beeping and dripping.

The generator is not expensive, and the system exchange only needs 400 million reputation points.

The telegraph machine is expensive, and it takes a full 1000 million reputation points to redeem it!

Lin Xuan also understood why Li Shimin attached so much importance to the walkie-talkie.

The biggest taboo in ancient wars is that information cannot be transmitted quickly.

After the soldiers were dispatched, Li Shimin was completely blind to the frontline affairs.

Take last year's war between the Tang Dynasty and the Turks as an example, Li Shimin didn't know the news until the army was finished.

But a full day has passed!

In ancient times, beacons and beacons were used as signals, in fact, to convey military information as quickly as possible.

However, it's useless.

On the ancient battlefield, almost all military orders depended on roaring.

Sometimes because of the wrong judgment of the information, it will even cause chaos and lose the battle!

During the Southern and Northern Dynasties, there was a similar situation.

The front line got the wrong information and thought they were going to retreat.

The result is actually to let them attack, and trample on their own people and their own people.

In the end, the enemy killed them all without any effort.

Lin Xuan uses a handheld walkie-talkie, which is estimated to have an effective distance of more than 60 kilometers in an open area.

If they are all within the town, the effective distance may only be about [-] kilometers.

Of course, this is normal.

The effective transmission distance of the radio is related to the amplitude power, the greater the power, the longer the transmission distance.