UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

Model NO.: BT-BA43D
Trademark: BOOSTEL
Transport Package: Wooden Case
Specification: 560*450*270mm
Origin: China
Model NO.: BT-BA43D
Trademark: BOOSTEL
Transport Package: Wooden Case
Specification: 560*450*270mm
Origin: China
Specifications of Digital TV RF Repeater
Model: BT-BA43D
The Digital TV RF Repeater (RFR) is designed to provide a more cost-effective solution than adding a new digital TV transmitter to improve network coverage and signal quality of digital TV. And its easy installation and maintenance can help carrier get fast return.
The repeater is working as a relay between the TV transmitter and receivers during the broadcasting of digital TV signal. It receives low-power TV signal from the TV transmitter via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Coverage Antenna to the weak/blind coverage area.
The enhancer can amplify the signal within the customized band.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

 

Features

  
 

Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corroding
No interference to BTS by adopting linear amplifier with high gain and low noise
Adopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink
USB 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 repeater

Applications

 
 
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

 UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

 

 

Technical Specifications

 
Items Specification
Working Frequency 136~174MHz / 400~480MHz
Number of Channels 16
Total channel capacity (512) 256 (analog) 256 (digital)
Maximum Output Power 43dBm
Maximum Gain ≥85dB
Gain Adjustment Range 1~31 dB @ step of 1 dB
Frequency Error ≤ 0.05ppm
ALC (Auto Level Control) Support
MER (Modulation Error Rate) ≤0.8 dB and variation < 1dB @ 10dB compression
BER (Bit Error Rate)   Degradation ≤ 1*10-2
Voltage Standing Wave Ratio ≤1.4
Noise Figure ≤8dB
In-band Ripple ≤3dB
Max. Input Level ≥-10dBm
Spurious Emission ≤-36dBm
Shoulder Level Per Channel ±4MHz offset from central frequency: ≤-36dBc/30KHz
Per Band Offset from edge of working band ≥ 8MHz: ≤-40dBc or ≤-13dBm/30KHz
Offset from edge of working band ≥16MHz: ≤-60dBc or ≤-33dBm/30KHz
System Delay ≤1.5μSec (without SAW fitler) ≤5.0μSec (with SAW filter)
In-band Inter-Modulation Attenuation ≤-40dBc/30kHz
I/O Impedance 50Ω
RF Connector N-Type (Female)
Ingress Protection Level IP65
Temperature Range Operation: - 25°C ~ + 55°C / Storage: -30°C ~ +60°C
Relative Humidity Range ≤ 95% (non condensing)
Power Supply (customized) AC 100-240V±15%, 50Hz
Backup Power Supply (optional) 4 hours
Dimensions 640mm X 400mm X 230mm
Weight 35kg
MTBF Min. 100000 hours
Operating Temperature -30 ~ +60 °C
Relative Humidity Range ≤95%
NMS Monitor Function(Option) Door status, temperature, power sup., VSWR, output power, gain, downlink ATT, etc
 
Installation & Commissioning

1.1 Installation

1.1.1 Steps for mounting on the Pole

 
  1. At 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.
  2. Place M8 screws through the holes of H type brackets as shown in figure 1
  3. Fix combiner onto the H type brackets with M6 screws
  4. Fix H type brackets with combiner installed onto the pole with U type brackets and M8 screws
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater
 
 
Figure 1 Repeater Mounting Bracket
 
  1. Orient the Link Antenna of Donor Site to the direction of the Remote Site.
  2. 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.
  3. Start Commissioning the Donor Unit .
  4. Proceed to the Remote Site.
  5. 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.
  6. Orient the Remote Link Antenna to the direction of the Donor Site.
  7. 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.
  8. 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.
  9. Start Commissioning the Remote Unit .

1.1.2 Steps for mounting on the wall

 
  1. At 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.
  2. Make four marks on the wall according to the dimension shown as figure 2
  3. Drill four holes at position marked
  4. Fix two pcs H type brackets on the wall with M8 expansion screws
  5. Fix combiner onto the brackets with M6 screws
 
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

Figure 2 Repeater Mounting Bracket
     6. The following steps are the same with step 4 to 12 for mounting on the Pole.

 

 1.2 Commissioning

  1. Connect 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.
  2. 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.
  3. 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.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

Figure3 Interface of NMS Board
 
Connect your laptop to the repeater via the data cable.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater
 
Specifications of Digital TV RF Repeater
Model: BT-BA43D
The Digital TV RF Repeater (RFR) is designed to provide a more cost-effective solution than adding a new digital TV transmitter to improve network coverage and signal quality of digital TV. And its easy installation and maintenance can help carrier get fast return.
The repeater is working as a relay between the TV transmitter and receivers during the broadcasting of digital TV signal. It receives low-power TV signal from the TV transmitter via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Coverage Antenna to the weak/blind coverage area.
The enhancer can amplify the signal within the customized band.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

 

Features

  
 

Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corroding
No interference to BTS by adopting linear amplifier with high gain and low noise
Adopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink
USB 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 repeater

Applications

 
 
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

 UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

 

 

Technical Specifications

 
Items Specification
Working Frequency 136~174MHz / 400~480MHz
Number of Channels 16
Total channel capacity (512) 256 (analog) 256 (digital)
Maximum Output Power 43dBm
Maximum Gain ≥85dB
Gain Adjustment Range 1~31 dB @ step of 1 dB
Frequency Error ≤ 0.05ppm
ALC (Auto Level Control) Support
MER (Modulation Error Rate) ≤0.8 dB and variation < 1dB @ 10dB compression
BER (Bit Error Rate)   Degradation ≤ 1*10-2
Voltage Standing Wave Ratio ≤1.4
Noise Figure ≤8dB
In-band Ripple ≤3dB
Max. Input Level ≥-10dBm
Spurious Emission ≤-36dBm
Shoulder Level Per Channel ±4MHz offset from central frequency: ≤-36dBc/30KHz
Per Band Offset from edge of working band ≥ 8MHz: ≤-40dBc or ≤-13dBm/30KHz
Offset from edge of working band ≥16MHz: ≤-60dBc or ≤-33dBm/30KHz
System Delay ≤1.5μSec (without SAW fitler) ≤5.0μSec (with SAW filter)
In-band Inter-Modulation Attenuation ≤-40dBc/30kHz
I/O Impedance 50Ω
RF Connector N-Type (Female)
Ingress Protection Level IP65
Temperature Range Operation: - 25°C ~ + 55°C / Storage: -30°C ~ +60°C
Relative Humidity Range ≤ 95% (non condensing)
Power Supply (customized) AC 100-240V±15%, 50Hz
Backup Power Supply (optional) 4 hours
Dimensions 640mm X 400mm X 230mm
Weight 35kg
MTBF Min. 100000 hours
Operating Temperature -30 ~ +60 °C
Relative Humidity Range ≤95%
NMS Monitor Function(Option) Door status, temperature, power sup., VSWR, output power, gain, downlink ATT, etc
 
Installation & Commissioning

1.1 Installation

1.1.1 Steps for mounting on the Pole

 
  1. At 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.
  2. Place M8 screws through the holes of H type brackets as shown in figure 1
  3. Fix combiner onto the H type brackets with M6 screws
  4. Fix H type brackets with combiner installed onto the pole with U type brackets and M8 screws
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater
 
 
Figure 1 Repeater Mounting Bracket
 
  1. Orient the Link Antenna of Donor Site to the direction of the Remote Site.
  2. 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.
  3. Start Commissioning the Donor Unit .
  4. Proceed to the Remote Site.
  5. 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.
  6. Orient the Remote Link Antenna to the direction of the Donor Site.
  7. 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.
  8. 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.
  9. Start Commissioning the Remote Unit .

1.1.2 Steps for mounting on the wall

 
  1. At 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.
  2. Make four marks on the wall according to the dimension shown as figure 2
  3. Drill four holes at position marked
  4. Fix two pcs H type brackets on the wall with M8 expansion screws
  5. Fix combiner onto the brackets with M6 screws
 
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

Figure 2 Repeater Mounting Bracket
     6. The following steps are the same with step 4 to 12 for mounting on the Pole.

 

 1.2 Commissioning

  1. Connect 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.
  2. 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.
  3. 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.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater

Figure3 Interface of NMS Board
 
Connect your laptop to the repeater via the data cable.
UHF 100MHz 400MHz 800MHz Digital TV Cellular Repeater
 


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