Shenzhen Atnj Communication Technology Co., Ltd.
Better signal,better life. We extend your 2G,3G,4G and 5G,to touch the untouching. Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite.
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Output Power 20dBm Dual Band Amplifier For 2G 3G 4G Cell Phone
2G 3G 4G Dual Band Repeater Mobile Cellphone 850/1900MHz Signal Booster Amplifier
The repeater for mobile network JS-DB850/1900/P,2G/3G & 4G is used to amplify poor mobile Internet. The device features LCD screen guiding you through setup. It covers up to 3000 ft2, being effective for small private houses or other locations like offices, garages, shops, etc. The repeater amplifies signals at two frequency bands at the same time - 850 MHz and 1900 MHz - which are mostly used for providers in such countries as North and South America, Canada.
With the help of this mobile phone repeater for home you´ll improve the quality of GSM calls. Some providers also use these frequencies for 3G and 4G mobile Internet, so, in this case, the JS-DB850/1900/P, will improve 2G/3G&4G network as well.
Among other distinctive and helpful features of JS-DB850/1900/P, 2G/3G & 4G there are:
LCD screen showing outdoor signal and output value. The system will guide you through installation process and show you error tips with solutions.
Automatic adjustment of gain and signal basing on the individual signal reception conditions.
Sleep mode helping to save energy when you do not use mobile 2G/3G/ 4G Internet.
Technical Specifications
| Specifications | Parameters | |
| Frequency Range (Customers to Choose) | Uplink | 824-849MHz, 1850-1910MHz |
| Downlink | 869-894MHz, 1930-1990MHz | |
| Frequency Bandwidth | 25MHz&60MHz | |
| Gain | 70dB | |
| Automatic gain control (Step Attenuation) | 31dB @ 1dB/ Step | |
| Auto Gain Control | 20dB Min. | |
| Output Power(Customers to Choose) | ≥20dBm | |
| 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 | AC 110~220V±20%, 50/60Hz(AC 220V/ DC5V/2A power adapter) | |
| Dimensions | 165*130*40 (mm) | |
| Weight | ≤0.8 kg(Net) | |
| Alarm Monitoring System | Alarm for uplink self-oscillation | |
| Indication LED | Power supply | |
Further detail pls click here for downloading the products specification:
850+1900MHz C03 Mobile Signal Repeater.pdf
Product Description
2G 3G 4G Signal Booster (B5 850MHz+B2 1900MHz)
Gain : 70db
Max power : 20dbm
ALC functon
The ALC function can prevent excessive signal output and cause interference.
Packaging Including:
1. Dual Band Booster
2. Power adapter
3. Outdoor Log-periodic antenna
4. Indoor Omni antenna
5. Indoor Ceiling antenna
5. 5 meters cable
6. 20 meters cable
Shipping
● We will send your parcel as soon as posiible after payment confirmed, Within 48 hours for normal,Except weekend and Chinaese holidays.
● Please provide your correct address,full name,and zip code.
● We generally would declare the parcel with lower value to aviod or lessen the Customs Taxs.Import Tax is not including in the price. When it happens, it is buyers responsibility to pay for the tax.
● Shipping is out of our control.If you find the package is beyond promised delivered time, please contact us, we will contact with the carriers and find out the reason.
Warranty
● Please note that we always check and test the product twice before shipping and pack them well as far as possibel.If the product is broken at receiving,please contact us,we would resend you a new one.
● Three years gaurantee period for our booster.If the booster have any problems, please show us an video or some photos of your complete installation, we will help you. Please do not open dispute or leave negative feedback before contact us.we will reply you within 24 hours,except holiday.