Gainer International (China) Limited

Mobile repeater manufacturer

10~30dBm New LCD Screen Repeaters
    Publish time 2018-12-25 11:40    
10~30dBm New LCD Screen Repeaters

Product Features

Isolation Inspection. When first power on the repeater, the device will automatically detect the isolation between the donor antenna and service antenna. The users could easier see the status and make the adjustment accordingly.
Input&Output Signal Strength IndicationThe specific number of uplink and downlink measured in dBm. Easy for users’ understanding.
Manual Gain Adjustment. The users or engineers could reduce the gain of the repeater manually via the buttons below the screen. The uplink and downlink gain could be set independently. 
Automatic Gain ControlAutomatic Gain Control (AGC) is a dynamic gain adjustment feature with 25dB range. AGC adjust the gain of the repeater whenever the output power is higher than the maximum power.
Smart ModeThe repeater could automatically change the gain according to the specific environment when the smart function is on. Please note that when the SMART is on, users could not able to set the gain manually.
Auto Shut DownWhen the input power exceeds AGC range on the DL or UL by 3dB, the AL-30 Series Repeaters would activate its advanced set safety mechanism: Auto Shut Down function. Auto Shut Down is a stage that temporarily stops the RF function. On the UL it will continuously detect the input power and resume RF function as soon as the input power reduces to a safe range. For the DL, it will make three attempts to detect the input power in this temporary stage. If the input power reduces to a safe range for the repeater to operate, the software would power the repeater back on and restore all functions promptly. However, if the input power remains too great and dangerous for the network, it will then shut down completely. In such case, the signal is too strong for the usage of the repeater.

Main technical specification

Parameters Uplink Downlink
Frequency Range
(Europe, Asia, Africa)
LTE800 (Band 20) 832 ~ 862MHz 791 ~ 821MHz
GSM&EGSM (Band 8) 880 ~ 915MHz 925 ~ 960MHz
DCS (Band 3) 1710 ~ 1785MHz 1805 ~ 1880MHz
WCDMA (Band 1) 1920 ~ 1980MHz 2110 ~ 2170MHz
LTE2600 (Band 7) 2500~2570MHz 2620 ~ 2690MHz
Frequency Range
(North America, South America)
LTE700 Upper (Band 12) 698 ~ 716MHz 728 ~ 746MHz
LTE700 Lower (Band 13) 776 ~ 787MHz 746 ~ 757MHz
CDMA (Band 5) 824 ~ 849MHz 869 ~ 894MHz
PCS (Band 2) 1850 ~ 1910MHz 1930 ~ 1990MHz
AWS (Band 4) 1710~1755MHz 2110 ~ 2155MHz
Operation Bandwidth (-3dB) Wide Band
Maximum Gain AL-15 ≥65dB ≥65dB
AL-20 ≥65dB ≥70dB
AL-23 ≥70dB ≥75dB
AL-27 ≥75dB ≥75dB
AL-30 ≥75dB ≥80dB
Output Power AL-15 ≥10dBm ≥15dBm
AL-20 ≥15dBm ≥20dBm
AL-23 ≥15dBm ≥23dBm
AL-27 ≥20dBm ≥27dBm
AL-30 ≥23dBm ≥30dBm
MGC (Manual Gain Control) 31dB range/1dB step
AGC (Automatic Gain Control) ≧25dB
Spurious Emission 9KHz~1GHz ≦ -36dBm
1GHz~12.75GHz ≦ -30dBm
Noise Figure ≤ 6dB
VSWR ≦2.0
Group Delay ≤1μs
Smart LED Smart function ON/OFF
AGC Alarm Alarm RED when AGC control over 5dB
RF Connector N-Female
Impedance 50Ω
Power Consumption 8W
Power Supply Input: AC 110~240V; Output: DC 9V/5A
Operating Temperature -10℃~50℃ 
Environment Conditions IP30
Dimensions (D x W x H ) 128*170*65mm or 228*170*65mm
Weight ≤2~3.5KG

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