• 

• 2G & 3G 20dBm Dual Booster Specification

  Model No. U-1821S

A. Electrical Specifications 2G

No.	Parameters		Specifications
1	Frequency Range (1 Band)	UL	1743.7~1754.9MHz
		DL	1838.7~1849.9MHz
2	Frequency Bandwidth		11±0.2MHz
3	Gain	UL	≥75dB (inband ≧75dB) (Factory setting on 55dB)
		DL	≥75dB (inband ≧75dB) (Factory setting on 55dB)
4	Gain Flatness		≦±1.5dB (inband=75~78dB)
5	Manual Gain Control (Step Attenuation)		≥30dB @ 1dB/Step (UL & DL indivisual)
6	Auto Gain Control		≥30dB (UL & DL indivisual, UL Gain Trailing function)
7	UL/DL Band Rejection		≥105dB
8	Output Power		≥+20dBm/total output power (In-Band≧20dBm)
			≥+17dBm @2 channels(tones)
9	Auto Shutdown Level		≥+23dBm
10	Out of Band Gain	±400kHz	≤50dB
		±600kHz	≤40dB
		±1MHz	≤35dB
		±5MHz	≤25dB
11		9kHz~1GHz	≤-36dBm
		1GHz~12.75GHz	≤-30dBm
12	Spurious Emission	9kHz~150kHz	≤-36dBm/1kHz
		150kHz~30MHz	≤-36dBm/10kHz
		30MHz~1GHz	≤-36dBm/100kHz
		1GHz~12.75GHz	≤-30dBm/1MHz

B. Electrical Specifications 3G

No.	Parameters		Specifications
1	Frequency Range	UL	1945~1960MHz
		DL	2135~2150MHz
2	Frequency Bandwidth		15MHz
3	Channel Raster		200kHz
4	Gain	UL	≥75dB (inband ≧75dB) (Factory Setting on 55dB)
		DL	≥75dB (inband ≧75dB) (Factory Setting on 55dB)
5	Gain Flatness		≦±1.5dB (inband=75~78dB)
6	Manual Gain Control (Step Attenuation)		≥30dB @ 1dB/Step
7	Auto Gain Control		≥30dB
8	Gain Trailing Function		When DL AGC be activated, booster gain in both DL and UL path shall be controlled to keep the output level not over Max output level automatically and simultaneously
9	Output Power	UL & DL	≥+20dBm @total power (inband Min.)
			≥+17dBm @2 FAs(tones)
10	Auto Shutdown Level		≥+23dBm
11	Out of Band Gain	2.7≤f_offset≤3.5MHz	≤60dB
		3.5≤f_offset≤7.5MHz	≤45dB
		7.5≤f_offset≤12.5MHz	≤45dB
		12.5MHz≤f_offset	≤35dB
12	Input inter-modulation		fully comply with 3GPP 25.106 chapter 11
13	Output inter-modulation		fully comply with 3GPP 25.106 chapter 12
14	Spurious and intermodulation		fully comply with 3GPP 25.106 chapter 9
15	Tx/Rx Isolation		≥90dBc
16	Error Vector Magnitude (EVM)		≤10% RMS
17	ACRR (Adjacent Channel Rejection Ratio) DL		≥20dB (5MHz & 10MHz)
18	ACRR (Adjacent Channel Rejection Ratio) UL		≥20dB (5MHz & 10MHz)

C. Common Specifications

No.	Parameters	Specifications
1	Noise Figure	≤6dB
2	Return Loss	≤-14dB
3	Group Delay	≤6us
4	RF Connectors	2 Input(DCS*1, WCDMA*1) 1 Output ports, Type: N-female
5	Operating Temperature	0~50℃
6	Environment Condition	IP31
7	Weight	≤10kg
8	Dimension	≤12 Liter
8	RCU & Antenna combined loss	≤15dB (RCU should work when donor antenna locate in -85dBm area)
9	Remote Control Unit	via USB port at local site / Via 3G wireless modem at remote site
10	Local Control	via USB port to laptop or PC
11	Backup battery	AC Fail Alarm sending to OMC Server. The battery life time should be working at least 5 mins when AC fail For Battery ( Charge Capacitor ), PWR LED will blink until fully discharged.
12	Alarm	Isolation detect Alarm* , AGC out of range, PA output power alarm, DC power failure, Door open alarm(if has door), Temperature alarm
13	Power Unit	1. External Type of AC (110~220V, 20%) to DC adapter with INTERNATIONAL SAFETY APPROVAL (CE, GS, CSA, UL, 3C, NSDFI,…)
14	Reset	On the GUI, system reset will make Modem reset at the same time.
15	LED Indicator	PWR LED ( Normal Green / Fail Dark ) 2G Alarm LED ( Normal Dark / PA Alarm RED / ISO Alarm RED Blink ) 3G Alarm LED ( Normal Dark / PA Alarm RED / ISO Alarm RED Blink )