Bi–Directional Amplifier (BDA)
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Catalog excerpts

Bi–Directional Amplifier (BDA) - 1

Bi–Directional Amplifier (BDA) Cost effective and flexible radio communication solutions, for coverage in challenging environments. www.hytera.co.uk

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Bi–Directional Amplifier (BDA) - 2

BDA’s are a cost effective and flexible way to: – Overcome challenges presented by environments like high–rise buildings, basements, tunnels, subways, etc. – Extend coverage – They can be used in many different systems, such as Analogue PMR/MPT, Digital DMR Conventional/Trunked, TETRA, etc. Wireless emission transfer device (RF signal amplifier) BDA Signal coverage for blind/weak signal area to extend coverage, such as inside buildings, tunnels, subways, etc. Small capacity with large coverage Cost effective and flexible amplified desired signal signal source extended coverage interference...

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Sports Stadiums – Semi–open/reinforced concrete structure: Few partition walls – Indoor coverage includes: Entrance gates, spectator and player areas, office, security counter, VIP rooms, equipment rooms, etc. Hotels – Multi floors and complicated building structure with many partition walls – Indoor coverage includes: Offices, hotel lobby, hotel corridors, elevators, meeting rooms, dining rooms, equipment rooms, underground parking, e

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Bi–Directional Amplifier (BDA) - 4

Transport Hubs – Semi–open/reinforced concrete structure: Few partition walls; high ceiling, etc. – Indoor coverage includes: Offices, waiting rooms, security counter, VIP rooms, stores, equipment rooms, underground parking, etc. Metros and Tunnels – Fully enclosed underground locations that are often long distances – Indoor coverage includes: The tunnel itself, and platforms, and outside or above ground are

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Shopping Centres – Complicated structural design: Few partition walls, multiple levels – Indoor coverage includes: Shopping areas, management offices, security offices, meeting rooms, rest rooms, underground parking, etc. Hytera BDAs Highlights – Rugged construction: Metal housing = good ingress protection and heat dissipation – Portable: small, lightweight, with flexible mounting options – Comprehensive range of variants: integrated/distributed, band/channel select, direct/wireless coupling, VHF/UHF DS–9300 Highlights – Multi–network type: DMR, PDT, TETRA are supported – Easy to deploy:...

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Flexible networking options DS–9300 distributed BDA’s can offer a number of different network topology options to suit the best distribution of the signals dependent on the coverage requirement. BDA Network – Tree Network BDA Network – Star Network Dot Coverage Coverage for big public stadium can be realised with one local optical–fiber BDA with some remote BDA’s. Example use: Office buildings, where multiple remote units can be distributed to provide coverage in blind spots. remote base station remote base station local remote BDA Network – Chain Network BDA Network – Ring Network Linear...

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Classification – BDA’s are classified under a number of criteria: – Transmission mode – wireless (integrated) or fibre (distributed) – Band or channel selective – Wireless or direct coupling – Hytera offer a range of BDA products to meet the above classifications – Selection of the type depends on the requirements panel antenna base station antenna yagi antenna Obtain wireless signal from the signal source, and transfer it into feeder signal, then use the antenna to provide the coverage Classified by transmission mode – ystem gain & power output are high enabling wide coverage S – sed to...

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DS–9300 Range Cable Access Specifications Category Frequency range – U1,U3 Cable– access band– selective DS-9300 Digital optical fiber bandselective repeater 5W 8/16 channel–selective (local unit) 5W 8/16 channel–selective (remote unit) Donor unit: 442mm x 320mm x 44mm (cable–access) Remote unit: 385mm x 300mm x 142mm Frequency range – U1,U3 DS-9300 Digital optical fiber channelselective repeater Operating bandwidth: 5 MHz, TX and RX spacing: 10 MHz Cable– access channel– selective Channel bandwidth 320–400MHz,400–470MHz Operating bandwidth: 5 MHz, TX and RX spacing: 10 MHz 25 KHz Remote...

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TS–9200 Integrated Repeater Specifications Category Specification Downlink Frequency range Operating bandwidth 5W/10W wireless access band/8 channel selective integrated repeater 5W wireless access fibre band–selective distributed repeater (local unit)* 10W Wireless– access band– selective repeater Max. output power Max. gain Operating bandwidth: 5 MHz, TX and RX spacing: 10 MHz 40±2 dBm Cast aluminium case: 453mm x 357mm x 217mm (L x W x H) Dimensions Wireless– access band– selective repeater Sheet metal case: 530mm x 400mm x 200mm (L x W x H) Frequency range – VHF Operating bandwidth 5W...

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TS–9200 – Distributed Repeater Wireless Access Specifications Category TS–9200 – Distributed Repeater Cable Access Specifications Specification Downlink Specification Downlink Frequency range Frequency information Operating bandwidth: 1–2 MHz, TX and RX spacing: 5.7–10 MHz Digital bandselective optical fiber repeater Wireless Access 5W Digital band– selective optical fibre repeater Operating bandwidth: 1–2 MHz, TX and RX spacing: 5.7–10 MHz Outdoor donor unit : 530mm x 400mm x 200mm (L x W x H) Digital band– selective optical fibre repeater. Cable Access 5W Digital band– selective optical...

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Example uses Distributed BDAs to eliminate blind spots – example at an airport receiving BS wireless signal remote unit yagi antenna two–way splitter donor unit antenna remote unit trunking BS in terminal antenna three–way splitter

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Example uses Extension of base station coverage into buildings ceiling antenna control room power divider ceiling antenna ceiling antenna ceiling antenna control room ceiling antenna ceiling antenna

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