Shenzhen Boostel Technologies Co., Ltd.  

Product Name: GSM 850MHz &Dcs 1800MHz out of Band Frequency Shift Repeater Model NO.: BT-2P40A&BT-2Q40A Condition: New Certification: ISO, CE Lightning Protection: Lightning Arrester Standard: Standard Transmission Medium: Wireless Type: Wireless Repeater Trademark: BOOSTEL Transport Package: Wooden Case Specification: 560*450*270mm Origin: China Product Description Specifications of GSM850&DCS1800 Out of Band Frequency Shift RepeaterModel: BT-2P40A&BT-2Q40AThe Frequency Shift Repeater (FSR) is designed to solve problems of weak mobile signal, which can expand more coverage than RF repeater and reduce investment for the areas where fiber optic or dedicated cable is not allowed. The system consists of two parts: Donor Unit and Remote Unit. The Donor Unit receives the BTS (base Transceiver Station) signal via open air RF transmission or direct coupler closed to BTS, then converts it from the working frequency to the link frequency, and transmits the amplified signal to the Remote Unit that will reconvert the signal to the working frequency and provide the signal to the areas where network coverage is inadequate. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.As per operator's requirement for link frequency, two types of FSR are available:In-Band FSR: the link frequency is inside the working bandOut-of-Band FSR: the link frequency is out of the working bandFeatures Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corrodingNo interference to BTS by adopting linear amplifier with high gain and low noiseAdopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlinkUSB port provides a link to a notebook for local supervision or to the built-in wireless modem to communicate with the NMS (Network Management System) that can remotely supervise repeater's working status and download operational parameters to the repeaterApplications To expand signal coverage or fill signal blind area where signal is weak or unavailable.Outdoor:Airports, tourism regions, golf courses, tunnels, factories, mining districts, villages, …Indoor:Hotels, exhibition centers, basements, shopping malls, offices, parking lots, … Application Diagram Technical SpecificationsItemDonor UnitRemote UnitGSM850/ DCS1800GSM850/ DCS1800Working Frequency(Customized)Uplink819~849 MHz/1710~1790MHz819~849 MHz/1710~1790MHzDownlink864~894 MHz/1805~1885MHz864~894 MHz/1805~1885MHzlink Frequency (customized)1.5GMax. Input Power (Non-Destructive)10dBmTransmission Distance≤ 20kmFrequency Error≤ 0.05ppmIn-band Ripple≤ 3dBMaximum Output Power(Customized)Uplink40dBm40dBmDownlink40dBm40dBmMaximum Gain≥ 90dB≥ 90dBGain Adjustment Range1~31 dB @ step of 1 dBVoltage Standing Wave Ratio< 1.5Noise Figure≤ 5dB(only for uplink)Spurious EmissionWithin working band≤ -15dBm/30kHzOut of working band(f > 2.5MHz)9kHz~1GHz: ≤ -36dBm/30kHz1GHz~12.75GHz: ≤ -30dBm/30kHzThird-order Inter-modulation≤ -45dBc / 30kHz (measured under rated output power)System Delay≤ 10μSecI/O Impedance50ΩRF ConnectorN-Type (Female)Temperature RangeOperation: -25°C ~ + 55°C / Storage: -30°C ~ +60°CRelative Humidity Range≤ 95% (non condensing)Power Supply (customized)DC-48V or AC110V or AC220V,50/60HzPower consumption≤ 200W≤ 200WBackup Power Supply (optional)4 hoursCasing LevelIP65Dimensions500*440*235mmWeight50kg50kgNMS Monitoring Function (optional)Real-time alarm for door status, temperature, power supply, LNA, VSWR, self-oscillation, etc;Remote control such as turn on/off, increasing/decreasing output power, changing channel frequency, etc;Real-time status for output/input power, all status of repeater etc.Installation & Commissioning1.1 Installation1.1.1 Steps for mounting on the PoleAt Donor site, install the FSR Donor Unit, Donor Antenna, link Antenna, and RF cable as per specified plan and site layout. FSR Donor Unit can be pole-mounted using the brackets as shown below.Place M8 screws through the holes of H type brackets as shown in figure 1Fix combiner onto the H type brackets with M6 screwsFix H type brackets with combiner installed onto the pole with U type brackets and M8 screwsFigure 1 Repeater Mounting BracketOrient the link Antenna of Donor Site to the direction of the Remote Site.Use Site Master to measure the VSWR of the RF cable from the link Antenna. The value should be less than 1.5; Otherwise, check the connectors and the installation of the cable.Start Commissioning the Donor Unit .Proceed to the Remote Site.At Remote site, install the FSR Remote Unit, link Antenna, Coverage Antenna, and RF cables. Remote Unit can be wall mounted or pole mounted depending on the approved plan.Orient the Remote link Antenna to the direction of the Donor Site.Using Spectrum Analyzer, check the link RSL; adjust the link Antennas of both Donor and Remote until the required RSL is achieved. link RSL can be computed using conventional path calculation method.Then, measure the VSWR of the RF cables connecting with the link Antenna of Remote Unit. The value should be less than 1.5, otherwise, check the connectors and the installation of the cable.Start Commissioning the Remote Unit .1.1.2 Steps for mounting on the wallAt Donor site, install the FSR Donor Unit, Donor Antenna, link Antenna, and RF cable as per specified plan and site layout. FSR Donor Unit can be wall-mounted using the brackets as shown below.Make four marks on the wall according to the dimension shown as figure 2Drill four holes at position markedFix two pcs H type brackets on the wall with M8 expansion screwsFix combiner onto the brackets with M6 screwsFigure 2 Repeater Mounting Bracket 6. The following steps are the same with step 4 to 12 for mounting on the Pole.1.2 CommissioningConnect the RF cable from Donor Antenna to the spectrum analyzer and check if the Donor Antenna is receiving the correct frequency; and then measure the signal level of the said frequency (RSL). Adjust the antenna to make the readings approach the recorded value on the survey report. Record all readings.Inside the repeater, disconnect the uplink duplexer to the ICS module so as to cut any signal coming from air going to the uplink duplexer and thus protecting the amplifier from damaging. Connect a 30 dB attenuator to the output of the repeater; this attenuator will serve as a load for the repeater. The purpose of this attenuator is to protect the equipments from damaging.Turn ON the repeater. Observe the LED display on the NMS board. Check for any alarm. Under normal condition, the POWER LED should be always green and the RUN LED should be blinking, the ALARM LED should be not bright with red color.Figure3Interface of NMS BoardConnect your laptop to the repeater via the data cable.