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Brand Name : | ATNJ |
Model Number : | NB-700/800 |
Certification : | CE,ROHS,CCC,TUV,BV, ISO |
Price : | USD+100---140+kit |
Payment Terms : | T/T, Western Union,Paypal,Alibaba,Bank transfering. |
Supply Ability : | 1000+unit+per day. |
Delivery Time : | 2 work days |
700MHz 800MHz Signal Booster For Mobile Phone 4G Repeater NR Cellphone Signal Apmlifier
A mobile signal amplifier, also known as a cell phone signal booster, functions as a device designed to enhance cellular signals for improved reception and transmission. The device operates on a relatively straightforward principle, aimed at boosting weak signals to provide better connectivity and call quality for users.
It is essential for mobile signal boosters to operate within approved frequency bands for cellular communication, ensuring compliance with regulations and preventing interference with cellular networks. Proper installation of the external and internal antennas is crucial for optimizing the booster's performance and effectiveness.
In essence, a mobile signal booster works by capturing weak cellular signals, boosting them through an amplifier, and redistributing the strengthened signals within a designated area to enhance connectivity and communication capabilities for mobile users.
Technical Specifications
Specifications | Parameters | |
Frequency Range (Customers to Choose) | Uplink | 703-733MHz, 1710-1785MHz |
Downlink | 758-788MHz, 1805-1880MHz | |
Frequency Bandwidth | 30MHz&75MHz | |
Gain | 70±3dB | |
Automatic gain control (Step Attenuation) | 31dB @ 1dB/ Step | |
Auto Gain Control | 20dB Min. | |
Output Power(Customers to Choose) | 20±3dBm | |
Spurious Emission | ≤ -15dBm/30kHz | |
9kHz~1GHz: ≤ -36dBm/30kHz | ||
1GHz~12.75GHz: ≤ -30dBm/30kHz | ||
Inter-Modulation Attenuation ACPR | ≤ -40dBc / 30kHz (measured under rated output power) | |
In-band Ripple | ≤3dB | |
VSWR | ≤2 | |
I/O Impedance | 50 Ω | |
Noise Figure | ≤ 5dB | |
System Delay | ≤ 5μs | |
RF Connector(Customers to Choose) | SMA(Female) | |
Operating Temperature | Operation: - 10°C ~ + 55°C / Storage: -20°C ~ +60°C | |
Power Supply | Input AC90~264V, output DC5V/2A | |
Dimensions | 181×142×33 (mm) | |
Weight | ≤1.2 kg(Net) | |
Alarm Monitoring System | Alarm for uplink self-oscillation | |
Indication LED | Power supply |
How does it work?
At its core, a mobile signal booster consists of three primary components: an external antenna, an amplifier, and an internal antenna.
Here's how these components work together to amplify cell phone signals:
External Antenna: The external antenna is usually installed in an area where the
signal is weak, such as on the roof of a building or a vehicle.
This antenna captures the existing weak cellular signal from nearby
cell towers and sends it to the signal booster unit.
Amplifier: The signal booster unit receives the weak signal from the external
antenna. The amplifier then increases the strength of this signal
significantly. By boosting the signal strength, the amplifier
ensures a more reliable and stable connection.
Internal Antenna: The amplified signal is transmitted to the internal antenna, which
is typically placed inside the building or vehicle. This internal
antenna broadcasts the strengthened signal, providing improved
signal strength and coverage for mobile devices within its range.
The working principle of a mobile signal booster involves the
following steps:
The external antenna captures the weak cellular signal.
The amplifier increases the signal strength.
The internal antenna broadcasts the amplified signal within the
coverage area, enhancing cell phone reception and data
transmission.
Product Description
The repeater makes the signal stronger in places with poor signal coverage such as:
1) Underground areas: basements, parking lots, tunnels;
2) Other places where cellular signal is shielded by metal or concrete walls: offices, supermarkets, cinemas, hotels;
3) Places distant from the BTS like private houses.
FAQ:
1. What is a cell phone signal booster?
A cell phone signal booster is a device designed to improve
cellular signal reception and transmission in areas with weak
signal strength.
2. How does a cell phone signal booster work?
A signal booster works by capturing weak signals through an
external antenna, amplifying them with an amplifier, and
rebroadcasting the strengthened signals via an internal antenna for
improved connectivity.
3. Where can I use a cell phone signal booster?
Cell phone signal boosters can be used in homes, offices, vehicles,
and other locations where there are issues with poor cellular
reception.
4. Are cell phone signal boosters legal to use?
In many countries, cell phone signal boosters are legal as long as
they comply with regulatory standards regarding frequency bands and
power levels.
5. Do cell phone signal boosters work with all carriers?
Most cell phone signal boosters are compatible with major carriers and support multiple frequencies, but it's essential to check compatibility with your specific carrier before purchasing.
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