ATNJ GSM+4G 800MHz 1800MHz Cell Phone Signal Booster with 80dB Gain and 500m² Coverage Area
The ATNJ GSM+4G Cell Phone Signal Booster enhances mobile connectivity by amplifying weak cellular signals across 800MHz and 1800MHz frequency bands. This dual-band amplifier supports both 2G and 4G networks, delivering reliable signal coverage for areas with poor reception.
- Dual-band operation: 800MHz and 1800MHz frequency ranges
- High 80dB gain for superior signal amplification
- Automatic Gain Control (AGC) with 20dB minimum and 31dB step attenuation
- 27dBm output power for extended coverage area
- Compact design: 165×130×40mm dimensions, ≤0.8kg weight
- Covers 100-500 square meters depending on signal conditions
- Multiple power supply options: AC 110-220V±20%, 50/60Hz
| Parameter | Specification |
|---|---|
| Frequency Range | Uplink: 832-862MHz, 1710-1785MHz Downlink: 791-821MHz, 1805-1880MHz |
| Gain | 80dB |
| Output Power | 27dBm |
| Operating Temperature | -10°C to +55°C (Operation) -20°C to +60°C (Storage) |
| Noise Figure | ≤ 5dB |
| VSWR | ≤ 2 |
| RF Connector | N (Female) |
The system captures weak cellular signals through an outdoor antenna, transmits them via coaxial cable to the amplifier unit, and rebroadcasts the amplified signal indoors. No direct connection to mobile devices is required.
- Tri-band booster base unit
- AC power cord
- Outdoor panel antenna
- Indoor panel antenna
- 35 meters white coaxial cable
For detailed technical specifications, download the product documentation:
As the manufacturer, we provide comprehensive technical support for installation and troubleshooting:
- Ensure outdoor antenna is properly aligned with signal tower
- Verify power adapter connections are secure
- Maintain minimum 10-meter separation between outdoor and indoor antennas
- Apply waterproof glue to outdoor connectors to prevent moisture damage
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