Products

Triple/Dual/Single Repeater/Booster

  • 2G & 3G 36dBm Dual Repeater Specification

    Model No. CSR-1821X

A. Electrical Specifications 2G

No. Parameters Specifications
1 Frequency Range UL 1739~1770MHz (1710~1785)
DL 1834~1865MHz (1805~1880)
2 Frequency Bandwidth ≥31MHz include TWM band
3 Gain UL ≥85dB(In-Band),(Factory setting on 65dB Gain)
DL ≥90dB(In-Band),(Factory setting on 70dB Gain)
4 Gain Flatness 3 dB Max. p-p (+0/-3dB)
(UL : 82~85dB Gain / DL : 87~90dB Gain)
5 Channel 4CH
6 Manual Gain Control (Step Attenuation) ≥30dB @ 1dB/Step
7 Auto Gain Control ≥30dB
8 UL/DL Band Rejection ≥105dB
9 Output Power UL ≥+23dBm/total output power
≥+20dBm @2 channels(tones)
DL ≥+36dBm/total output power
≥+33dBm @2 channels(tones)
10 Out of Band Gain ±400kHz ≤50dB
±600kHz ≤40dB
±1MHz ≤35dB
±5MHz ≤25dB
11 Intermodulation Product 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
13 Channel Setting by ARFCN

B. Electrical Specifications 3G

No. Parameters Specifications
1 Frequency Range UL 1945~1960MHz
DL 2135~2150MHz
2 Frequency Bandwidth 15MHz
3 Repeater Type Band Selective ( UL*1Band / DL*1Band, continous wave)
4 Gain UL ≥85dB(In-Band), (Factory setting on 65dB Gain)
DL ≥90dB(In-Band), (Factory setting on 70dB Gain)
5 Gain Flatness 3 dB Max. p-p (+3/-0dB)
(UL : 85~88dB Gain / DL : 90~93dB Gain)
6 Manual Gain Control (Step Attenuation) ≥30dB @ 1dB/Step
7 Auto Gain Control ≥30dB
8 Gain Trailing Function When DL AGC be activated, Repeater 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 ≥+23dBm @1 channel(tone)
≥+20dBm @2 channels(tones)
DL ≥+40dBm @1 channel(tone)
≥+37dBm @2 channels(tones)
10 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
11 Input inter-modulation fully comply with 3GPP 25.106 chapter 11
12 Output inter-modulation/td> fully comply with 3GPP 25.106 chapter 12
13 Spurious and intermodulation/td> fully comply with 3GPP 25.106 chapter 9.2
14 Tx/Rx Isolation ≥105dBc
15 Error Vector Magnitude (EVM) ≤10% RMS
16 ACRR (Adjacent Channel Rejection Ratio) DL ≥33dB (5MHz & 10MHz)
17 ACRR (Adjacent Channel Rejection Ratio) UL ≥33dB (5MHz & 10MHz)

C. Common Specifications

No. Parameters Specifications
1 Noise Figure ≤6dB
2 Return Loss ≤-14dB
3 Group Delay 2G:≤6.5us / 3G:≤6us
4 RF Connectors 1Input/1Output, 1 extra port reserved for LTE,N-female
5 Operating Temperature 0~50℃
6 Environment Condition IP55
7 Weight ≤50kg
8 RCU & Antenna combined loss ≤15dB (directional coupler at output port is 15dB)
9 Remote Control Unit Via USB port at local site
Via 2/3G modem at remote site
10 Backup battery AC Fail Alarm sending to OMC Server
11 Alarm AGC out of range, PA output power alarm,
DC power failure, Door open alarm,
Temperature alarm
12 Power Unit AC (110~220V, 20%)
(Plug type--1 round pin and 2 flat pins, Taiwan type)
to DC adapter with International Safety Approval
(CE, GS, CSA, UL, 3C, NSDFI, …)
PSU should have current protection.
PSU will automatically shutdown when abnormal current is occuring.
PSU should have temperature sensing function.
When temp of PSU or repeater body is over limit,
PSU should automatically shutdown and send alarm via RCU board.
13 Material Certificate RoHS
14 Power Consumption 27V ,15A = 400W, (ex) = 320W @ CSR -1821L Old Type
15 Power Plug Taiwan type
16 Heating Method FAN use, FAN voltage Control of outside temperature