Repeater

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. 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 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 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. Place M8 screws through the holes of H type brackets as shown in figure 1 Fix combiner onto the H type brackets with M6 screws Fix H type brackets with combiner installed onto the pole with U type brackets and M8 screws Figure 1 Repeater Mounting Bracket Or

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