China 75MHz 4G LTE Signal Booster with 70dB Gain and Manual Adjustment for 800MHz Band Cellular Networks for sale

75MHz 4G LTE Signal Booster with 70dB Gain and Manual Adjustment for 800MHz Band Cellular Networks

Price Negotiable

Price: USD+40---49+kit

MOQ: 5Pcs

Delivery Time: 3-5 work days

Brand: ATNJ

Product Description

Technical Specifications

Parameter	Specification
Frequency Range (Uplink)	832-862MHz
Frequency Range (Downlink)	791-821MHz
Frequency Bandwidth (3dB)	75MHz
Gain	70dB
Automatic Gain Control	31dB @ 1dB/Step
Output Power	17±3dBm
Noise Figure	≤ 5dB
Operating Temperature	-10°C to +55°C
RF Connector	SMA(F)

Key Features

Isolation Inspection: Automatic detection between donor and service antennas with clear status indication
Signal Strength Display: Real-time uplink and downlink power measurements in dBm
Manual Gain Adjustment: Independent uplink/downlink gain control with +/- buttons
Automatic Gain Control: Dynamic 31dB range adjustment with smart functionality
Dual Operation Modes: AUTO mode for automatic optimization and MANU mode for manual control
Safety Protection: Automatic shutdown with 2-minute restart for critical conditions

Operation Modes

Smart Mode (AUTO)

Automatically adjusts gain based on environmental conditions. When activated, manual gain adjustment is disabled. System automatically reduces gain by 31dB initially, with progressive safety shutdown protocols.

Manual Mode (MANU)

Provides full manual control over gain settings with real-time monitoring and safety alerts.

Documentation & Support

Download detailed technical specifications:

Product Images

AS-800 4G LTE Signal Booster front panel display

AS-800 4G LTE Signal Booster internal components

ATNJ high gain 1800MHz 2G/4G mobile signal booster for office and home use

ATNJ signal booster installation and application examples

Warranty & Support

3-Year Warranty: Comprehensive coverage for the main booster unit with 3-month warranty for accessories. Includes technical support and troubleshooting assistance.