Produkto detalės

J3-20DB** dual band inteligent repeater 20dBm power

Overview:

J3-20DB* series Repeater Dual Band Selective offer not only elegant versatile design of appearance but also contribute outstanding performance for indoor coverage problem solution. It amplifies signals between a mobile and a BTS for indoor applications where are located in shadowing areas blocked by obstructions or impediments. Medium Power 2 Band Selective Repeater provides a smart solution for expanding mobile signal coverage in small areas, such as the restaurant, VIP premises, parking lots, basements, offices, etc.

This Repeater has 3 unique functions, the Intelligent Mode, the Silent Mode, and the Self-oscillation Prevention. In general, the Intelligent Mode can automatically reduce interference continuously. The Silent Mode would deactivate the UL PA while no users are accessing the repeater, and no UL noise would be generated towards BTS. The Self-oscillation Prevention function would resolve the repeater from oscillation itself due to insufficient isolation.

This series Repeater Dual Band Selective provides a perfect solution to satisfy operators demands for variable two bands selections of GSM, CDMA, 3G or 4G system and various bandwidths are available as well.

Band selective with Out of Band Gain function will simply enable less noise or suppress interference from operators frequency band.

System status is clearly visible by LED indications and LCD front panel. Repeater configuration and alarm are able to be forwarded to control center for technicians monitoring via OMT / OMC software. With remote monitoring optional feature repeater has embedded modem and battery, so control center will get messages even if electrical network is broken.

The light weight and compact size makes this series repeater ideal for friendly installation with little space.

Repeater fully and completelly complies CE directives.

Work Frequency band (two bands) :

LTE800
GSM900 & EGSM
DCS1800
WCDMA2100
LTE2600
and so on.

Bands selective feature (upon request):

Any two bands combination can be choosed.
Operator can order repeater with any fixed bandwidth 0.2 - 40MHz even more.
Movable central frequency feature (optional) is ordering upon request. Bandwidths are fixed. Installer can move central frequencies independently for both bands, but can't change bandwith.
Adjustable bandwith feature (optional) is ordering upon request. Operator's installer can move frequency and change bandwith of every both bands.
OMT software let's change bandwidth and frequency remotelly if adjustable bandwidth or movable frequency feature is ordered. Repeater must to have embedded wireless modem (optional).

Intelligent mode :

Purpose: after turning on Repeater, you can test whether the isolation between donor antenna and service antenna meet up the repeater working condition. When donor antenna and service antenna isolation does not meet the needs, the repeater will automatic alarm, auto start protection features, at the same time reduce the gain, to meet the current antenna isolation value gain donor antenna and service antenna isolation to meet the repeater work properly.

Donor antenna and service antenna isolation (ISO) ≧ the repeater maximum gain +15dB.

If repeater self testing find that donor antenna and service antenna isolation does not meet the requirements, repeater come up alarm and set both uplink and downlink gain so as to meet the requirements of donor antenna and service antennas isolation.

Alarm LED light on within 1 minute after the repeater turn on, it means antenna isolation alarm.

If Alarm LED light on 1 minute after the repeater turn on, it means the repeater receiving very strong signal from the base station.

Dual Band Selective Repeater

1. Electrical Specification

Uplink

Downlink

2 bands :

Frequency Range

MHz

Band

Model

Customized upon request in the range

LTE-800

J320DBL*

832- 862

791- 821

EGSM-900

J320DBE*

880- 915

925- 960

DCS-1800

J320DBD*

1710-1785

1805-1880

WCDMA2100

J320DB*W

1920-1980

2110-2170

LTE-2600

J320DBL*2

2500-2620

2570-2690

Bandwidth

Band selective by operator’s demand

Various fixed bandwidth upon request

Optional tunable bandwidth

Band & bandwidth

modifications

after installation

Possible

(Optional)

Optional central frequency moving

Optional tunable bandwidth

Output Power

18±2dBm

20±2dBm

Maximum Gain

≧70dB

≧75dB

Manual Gain Control

MGC

31dB / 1dB step

Auto Gain Control

AGC

≧25dB

Maximum input power (non-destructive)

0dBm (CW Signal)

Dual Band Selective Repeater

System

E-GSM 900

WCDMA 2100

Gain Flatness

≦ 4dB (P-P)

≦2dB / 3.84 MHz

Out of Band Gain

±400KHz

<50dB

2.7≦f_offset＜3.5MHz

< 60dB

±600KHz

<40dB

3.5≦f_offset＜7.5MHz

< 45dB

±1MHz

<35dB

7.5≦f_offset＜12.5MHz

< 45dB

±5MHz

<25dB

12.5≦f_offset

< 35dB

Intermodulation Products

9KHz~1GHz

≦-36

dBm

1GHz~12.75GHz

≦-30

dBm

Spurious Emission

9KHz~1GHz

≦-36

dBm

9kHz~150KHz

≦ -36dBm/1 kHz

150kHz~30MHz

≦ -36dBm/10 kHz

30MHz~1GHz

≦ -36dBm/100kHz

1GHz~12.75GHz

≦-30

dBm

1 GHz ~ Flow -10 MHz

≦ -30dBm/1 MHz

Flow-10MHz~Fhigh+10MHz

≦ -15dBm/1 MHz

Fhigh +10MHz~12.75GHz

≦ -30dBm/1 MHz

ACRR

20dBc/30KHz@±5MHz

20dBc/30KHz@±10MHz

Frequency Stability

≦±0.01ppm

Error Vector Magnitude

≦ 12.5%

Peak Code Domain Error

≦-35dB@Spreading Factor 256

Noise Figure

≦ 8dB

VSWR

≦ 2.0

Group Delay

≦ 5μs

Power Consumption

≦25W

Power Supply

External power adapter

Input AC 90~264V

Output DC 5A / 9V

2. Mechanical specification

Dimensions

191 x 296 x76 mm

Weight

≦ 4 Kg

I/O Connector

Impedance

N – Female

50Ω

3. Environmental specification

IP Rating

IP40

Operating Temperature

-10℃~50℃

4. Monitoring specification

LED indication

Power LED

DC ON/OFF

Alarm LED

Antenna isolation is lower than the isolation required for equipment installation

Or ALC1～5dB, Red

5. Special features

Cost-effective for practical solutions

Antenna isolation detection

Automatic gain control

Intelligent mode setting

Support MGC

Prevent the oscillation

Uplink sleep mode

7. Optional

local and remote control

Local Monitoring

USB Port

Remote Monitoring

Wireless modem SMS service

OMT software

Free of Charge