JS-DB850/1900/P Dual Band Cellular Signal Booster 70dB Gain 20dBm Output for 2G 3G 4G Networks
Price:
USD+70---85+kit
MOQ:
5Pcs
Delivery Time:
3 work days
Brand:
ATNJ
Product Description
JS-DB850/1900/P Dual Band Cellular Signal Amplifier
The JS-DB850/1900/P is a professional-grade dual band signal booster designed to amplify weak 2G, 3G, and 4G mobile network signals. This device effectively enhances cellular coverage for areas up to 3000 ft², making it ideal for residential homes, offices, garages, and commercial spaces.
Key Features
- Dual band operation: 850 MHz and 1900 MHz frequency bands
- 70dB gain with 20dBm output power
- LCD display for real-time signal monitoring and installation guidance
- Automatic gain control with 31dB step attenuation
- ALC function prevents excessive signal output and interference
- Energy-saving sleep mode when not in use
- Compatible with North and South American cellular providers
Technical Specifications
| Specification | Parameter |
|---|---|
| Frequency Range (Uplink) | 824-849MHz, 1850-1910MHz |
| Frequency Range (Downlink) | 869-894MHz, 1930-1990MHz |
| Frequency Bandwidth | 25MHz & 60MHz |
| Gain | 70dB |
| Automatic Gain Control | 20dB Min. |
| Output Power | ≥20dBm |
| Noise Figure | ≤ 5dB |
| VSWR | ≤ 2 |
| Operating Temperature | -10°C to +55°C |
| Power Supply | AC 110-220V±20%, 50/60Hz |
| Dimensions | 165×130×40 mm |
| Weight | ≤0.8 kg (Net) |
Package Contents
- Dual Band Booster Unit
- Power Adapter
- Outdoor Log-periodic Antenna
- Indoor Omni Antenna
- Indoor Ceiling Antenna
- 5 meters Cable
- 20 meters Cable
Product Documentation
Product Images
Warranty & Support
This product includes a comprehensive 3-year warranty with professional technical support. All units are thoroughly tested before shipping to ensure optimal performance and reliability.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Atnj Communication Technology Co., Ltd.
Location
Floor 12, Building A, Rd Jiangshi, Quanju High-Tech Industry Park, Guangming District, Shenzhen, Guangdong Province, China
Contact Person
Wave Luo