JS-DB1800/2100/P Dual Band Cellular Signal Repeater with 70dB Gain for 2G 3G 4G Networks 165×130×40mm
Price:
USD+75---90+kit
MOQ:
5Pcs
Delivery Time:
1-3 work days
Brand:
ATNJ
Product Description
Product Overview
The JS-DB1800/2100/P Dual Band Cellular Signal Repeater provides an affordable solution for indoor signal coverage problems caused by building obstacles and signal attenuation. This professional-grade amplifier enhances 2G, 3G, and 4G connectivity in areas with poor reception.
Technical Specifications
| Specification | Parameters |
|---|---|
| Frequency Range | Uplink: 1710-1785MHz, 1920-1980MHz Downlink: 1805-1880MHz, 2110-2170MHz |
| Frequency Bandwidth | 75MHz & 60MHz |
| Gain | 70dB ± 2 |
| Output Power | 17 ± 3dBm |
| Noise Figure | ≤ 5dB |
| Operating Temperature | -10°C to +55°C |
| Power Supply | AC 110-220V ±20%, 50/60Hz |
| Dimensions | 165 × 130 × 40 mm |
| Weight | ≤ 0.8 kg |
How It Works
- Receives Signal: The external antenna captures available cellular signals from nearby towers
- Boosts Signal: The repeater amplifies the signal with 70dB gain capability
- Broadcasts Signal: Enhanced signal is distributed to indoor areas for improved connectivity
Network Compatibility
- Band 3 (1800MHz): Uplink 1710-1785MHz / Downlink 1805-1880MHz
- Band 1 (2100MHz): Uplink 1920-1980MHz / Downlink 2110-2170MHz
- Supports WCDMA 3G + DCS 4G networks
Key Features
- 70dB high gain amplification
- LCD display for real-time status monitoring
- Automatic gain control with 31dB step attenuation
- Dual-band operation for comprehensive coverage
- Compact design (165×130×40mm) for easy installation
- Self-oscillation alarm system for optimal performance
Ideal Applications
- Underground areas: basements, parking lots, tunnels
- Commercial spaces: offices, supermarkets, cinemas, hotels
- Residential buildings with concrete or metal shielding
- Remote locations distant from cellular towers
Important Installation Note
This repeater requires at least 2 bars of outdoor 3G/4G signal for optimal performance. Please verify frequency compatibility using mobile apps or diagnostic codes before purchase.
Product Documentation
Warranty & Support
- Three-year comprehensive warranty
- Professional technical support available
- Quality tested before shipping
Similar Products
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