Alas, boss! Are you getting overwhelmed by the wiring of the LED screen? Looking at the wires that were wrapped in spider webs, thinking how good it would be if they could be controlled wirelessly? Don't worry! Let's talk about it today​ ​LED screen wireless module doorway​​, make sure you slap your thighs after listening - it turns out that you can still play like this!

1. First find out these three hard indicators

(Knocking the blackboard) Buying a wireless module is not a choice for a WiFi router.​​These parameters directly determine life and death​​：

• ​​Transmission delay ≤8ms​​: Pay special attention to live broadcasts! Last year, a shopping mall used inferior modules. The large screen was half a beat slower than the audio. The host's mouth shape was not up to par with it, and his toes were so awkward that he was so embarrassed that he was clenched.

• ​​Anti-interference capability​​: It must be able to withstand 200 mobile phones connected to the Internet at the same time! The module installed for a stadium in Tokyo was measured to be as stable as an old dog when 50,000 people use 5G at the same time.

• ​​Wall-through performance​​: At least 3 solid walls must be penetrated! I have seen a showroom module that is missing from the glass curtain wall, and the operation and maintenance guy runs off his legs.

2. The four major purchasing channels comprehensively compete

(Points) Now, these four main ways to develop wireless modules:

1. ​​Original supporting package​​
   √ 100% compatibility guarantee
   √ Usually with a three-year warranty
   × The price is about 25% more expensive than that of third parties

2. ​​System integrator package​​
   √ Save worry and effort
   √ Package installation and debugging
   × May be 30% higher

3. ​​E-commerce platform procurement​​
   ⚠️ Be careful of second-hand renovations!
   There is a restaurant owner who is greedy for cheapness and burns chips after using the module for three months. The maintenance fee is enough to buy two new ones.

4. ​​Custom development​​
   Suitable for special scenarios (such as offshore drilling platforms)
   Development fees usually start at 50,000 yuan, with a cycle of at least 45 days.

3. Lightning protection guide that experts know

(Phone the thigh) These details are worth the electric car:

1. ​​Check the agreement certification​​
   It is necessary to have dual FCC/CE certification, and missing one is a hooligan

2. ​​Tested transmission distance​​
   Nominal 100 meters? Actually, 30% off! It is best to ask for a live demonstration

3. ​​Firmware upgrade capability​​
   I have seen that the module in 2018 can still upgrade the WPA3 protocol, which is the true conscience

4. ​​Heat dissipation hole design​​
   The temperature of the prototype is hot and pass directly! Good modules work continuously for 48℃ top cover

4. Global application case speech

(Take a chestnut) Check out these magical operations:

▎Singapore arc advertising screen
Use dual-band module to achieve over-distance transmission of 200 meters, and three-year zero-wire disconnection
▎Seoul transparent window screen
5G+WiFi6 dual-link backup, 4K frames are still not lost during peak traffic
▎Tokyo Stadium
Anti-interference module withstands the mobile phone signal of 100,000 viewers, and the live broadcast delay is only 6ms

5. Service guarantees the life and death line

(Hand up your ears) Real cases teach you how to be a person:

▶ A temporary camera space is added at a concert, and the technical team deploys backup channels in 2 hours
▶ Heavy rain caused the base station to be paralyzed, and the built-in 4G module automatically switches to ensure live broadcast
▶ Intelligent temperature control system reduces the failure rate by 67%, saving 40% of operation and maintenance costs

Now those who know how to do it are staring at:
• ​​7×24 hours remote diagnosis​​
• ​​Alternative module library​​(Free borrowing for more than 4 hours of maintenance)
• ​​OTA upgrade service​​(Don't underestimate this, you can save 30,000 yuan in five years)

The editor says something real

After struggling in the industry for many years, I discovered a truth——​​The wireless module is the neural center of the large screen​​! I have seen too many customers use counterfeit goods to save thousands of yuan, but the signal collapsed on the day of the event, and the penalty for liquidated damages was enough to buy ten genuine sets of products.

There is a very interesting trend recently:​​Intelligent dual links become standard​​! Just like the car's dual-clutch transmission, 5G and WiFi6 automatically switch. Last week, I saw the exhibition site. The 20-piece screen was in the environment of 40,000 people using the Internet, and the picture did not get stuck for a single frame.

Finally, the heart-wrenching words: buy wireless modules​​Don't just look at the parameters, focus on the service network​​! One day, the signal collapsed at two o'clock in the middle of the night, and the real ability is to respond and solve it in 10 minutes. Do you think this is the reason?

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