Shenzhen Atnj Communication Technology Co., Ltd.
| Payment Terms | T/T, Western Union,Paypal,Alibaba,Bank transfering. |
| Supply Ability | 1000+unit+per day. |
| Delivery Time | 2 work days |
| Packaging Details | Standard neutral packing,52x24x16cm(1 kit), 4kits as 1 carton(54x49x33cm) |
| 700MHz Frequency Range | 703-733MHz/758-788MHz |
| 1800MHz Frequency Range | 1710-1785MHz/1805-1880MHz |
| Gain | UL: 65±2dB; DL: 70±2dB |
| Power Output | 17-20dBm |
| Packing size | 52x24x16cm |
| Power supply | Input AC90~264V, output DC5V/2A |
| Brand Name | ATNJ |
| Model Number | NB-700/800 |
| Certification | CE,ROHS，CCC，TUV,BV， ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union,Paypal,Alibaba,Bank transfering. | Supply Ability | 1000+unit+per day. |
| Delivery Time | 2 work days | Packaging Details | Standard neutral packing,52x24x16cm(1 kit), 4kits as 1 carton(54x49x33cm) |
| 700MHz Frequency Range | 703-733MHz/758-788MHz | 1800MHz Frequency Range | 1710-1785MHz/1805-1880MHz |
| Gain | UL: 65±2dB; DL: 70±2dB | Power Output | 17-20dBm |
| Packing size | 52x24x16cm | Power supply | Input AC90~264V, output DC5V/2A |
| Brand Name | ATNJ | Model Number | NB-700/800 |
| Certification | CE,ROHS，CCC，TUV,BV， ISO | Place of Origin | China |
| High Light | 5G Mobile Signal Repeater Amplifier ，2G 4G 5G Mobile Signal Repeater ，700/1800MHz Mobile Signal Repeater | ||
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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2010
Total Annual:
7500000-8000000
Employee Number:
95~105
Ecer Certification：
Verified Supplier
Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite. Shenzhen ATNJ Communication Technology Co.,LTD is located in Shenzhen, Silicon Valley, China. We committed to the R&D, production and sales of low-altitude econ... Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite. Shenzhen ATNJ Communication Technology Co.,LTD is located in Shenzhen, Silicon Valley, China. We committed to the R&D, production and sales of low-altitude econ...
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