Professional China Dual Band Cell Phone Booster - KW20L dual band cell phone repeater GSM B4 LTE 4G 65dB gain double channel frequency customized with LCD screen – Lintratek

1. Product Introduction of KW20L dual band cell phone repeater

Lintratek KW20L dual band cell phone repeater, it has a shiny golden casing and an LCD screen, which is deeply loved by people from all over the world. 65db high gain with two signal ports, it has ALC (Automatic Level Control), that ensures stable and continuously adjustable output level.

Any combination of two different frequency bands, such as CDMA&GSM, CDMA&DCS, choose according to your country. More details of specification are shown in the following chart.

2. Product Parameter (Specification) of KW20L dual band cell phone repeater

3. How does KW20L dual band cell phone repeater work?

Actually, with only one device of KW20L dual band cell phone repeater it cannot work, the supporting accessories are necessary. A system of signal booster includes the host KW20L dual band cell phone repeater, an outdoor antenna, an indoor antenna, length-customized cable. And if you want to cover much more areas, maybe you need several splitters to realize it connecting multiple indoor antennas. Then here I can introduce the working principle of KW20L dual band cell phone repeater:

1. Find a place where better with 4-bar cell phone signal receipt outside of the building.

2. Install outdoor antenna at the site with better signal receipt. And outdoor antenna should be better pointed to the base station.

3. Install W20L dual band cell phone repeater inside and use 15m cable to connect the booster with the outdoor antenna. Caution: there should be isolation between the booster and the outdoor antenna, without the isolation (like wall), there would be an effect named self-interruption to obstruct the system.

4. Finally, use cable to connect with KW20L dual band cell phone repeater and indoor antenna.

Then turn on the booster to test the working function. If there is any problem about the device, pls call Lintratek after-sales team for help.

4. Product Feature & Application of the KW20L dual band cell phone repeater

Do you often get no signal when you are in the parking lot, elevator, home, office or other places? If you encounter such a situation, I recommend you to use a KW20L dual band cell phone repeater.

And for different size of the application, the network solutions are different, to get network solution according to the applications, please click the following link for details.

☞ Small size or middle size building network boosting solution

☞ Large size building network boosting solution

☞ Long distance wireless signal transmission solution

☞ Vehicle network boosting solution

5. FAQ

Q1. The house has 500 square meters, can it be used?

A: It can use, but need more antenna, when you have a large area, it is recommended that you use a high power, high gain signal amplifier, so that the effect will be better.

Q2: What is the number of users that can use this at one time?

A: Generally speaking, this has no real limitations for users; it basically brings the signal from the signal station to your home or other places. But for others, it will work differently depending on their carrier, the available signal outside, and the location of the outdoor antenna.

Q3: Can we use signal amplifier in the car?

A: Yes, with car power and car sucker antenna can be used.

Q4: How far can the signal be received?
A: As long as there is a strong enough signal outdoors, the antenna can pick up the signal, and it is easier to receive and amplify the signal without obstructions.

Q5：How long does it take to ship after placing an order?

A: Depending on the quantity, if the quantity is large, it will generally take 7 working days to deliver the goods. If the quantity is small, it will be delivered within 1-3 working days.