AGC, Mgc, Auto-Shut-Down 2g 3G 4G Repeater Tri-Band B8+B3+B1 900MHz+1800MHz+2100MHz Smart Function Audio Booster 2g 3G 4G Cellphone Signal Booster Video,Demo, How It Works & Features

Name: AGC, Mgc, Auto-Shut-Down 2g 3G 4G Repeater Tri-Band B8+B3+B1 900MHz+1800MHz+2100MHz Smart Function Audio Booster 2g 3G 4G Cellphone Signal Booster
Uploaded: 2026-07-18T12:17:00+08:00
Description: Watch the AGC, Mgc, Auto-Shut-Down 2g 3G 4G Repeater Tri-Band B8+B3+B1 900MHz+1800MHz+2100MHz Smart Function Audio Booster 2g 3G 4G Cellphone Signal Booster video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-07-19 4590

AGC, Mgc, Auto-Shut-Down 2g 3G 4G Repeater Tri-Band B8+B3+B1 900MHz+1800MHz+2100MHz Smart Function Audio Booster 2g 3G 4G Cellphone Signal Booster

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Product Specifications

Model NO.:

SG-M9/18/21-75-25

Type:

Signal Repeater

Transmission Medium:

Cable

Standard:

Standard

Lightning Protection:

With Lightning Protection

Certification:

ISO, GS, RoHS, CE

Condition:

New

Frequency:

B8 900MHz+Band3 1800MHz+Band1 2100MHz

Application:

Home, Office, Packing Lot, Building, Factory etc..

Data:

Messages & Calls & Data

AGC:

Auto Gain Control System

Mgc:

Manual Gain Control System

Gain:

75dB

Output Power:

23dBm

Connectors Type:

N Female or Customized

Coverage:

up to 2000 Sqm (with 1~10PCS Service Antenna)

Warranty:

2 Years (Included)

Dimensions:

228*170*65mm

Weight:

4.5kg

Voltage:

Input: AC 110~240V; Output: DC 9V/5A

OEM Service:

MOQ 20PCS (Print Your Brand Logo)

Work Temperature:

-40 Celsius ~ +60 Celsius

Trademark:

Sigbari

Transport Package:

EPE Neutral Packaging

Specification:

300*250*70mm

Origin:

China

HS Code:

8543709200

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