Technical Specifications5.1 WALKair’s Technical Specifications
General Specifications
| Radio access method
| TDMA/FDMA/FDD
| | Supported distance
| 3.5 GHz: 10Km at near line of sight.
10.5 GHz: 10Km at line of sight.
26 GHz: 3km at line of sight
| | Spectral efficiency
| 2.5 bit/sec/Hz
| | Number of terminal stations per one base station
| typ. 256 (depends mainly of the available bandwidth and sectorisation scheme)
| | Bandwidth per single user
| 64 Kbps to 4.096 Mbps
| | System capacity per one base station
| 65 Mbps. (*)
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Terminal Station Specifications
5.1.2.1 RF @ 3.5 GHz
| Frequency band
| 3.5 GHz
Transmit: A: 3.40 - 3.44 GHz
B: 3.43 - 3.47 GHz
C: 3.46 - 3.5 GHz
Receive: A: 3.50 - 3.54 GHz
B: 3.53 - 3.57 GHz
C: 3.56 - 3.6 GHz
| | Output power
| Dynamic range: -22 dBm to +18 dBm
| | Antenna size
| 25x25 cm.
| | Antenna beamwidth
| 180 vertical and horizontal.
| | Antenna gain
| 17.5 dBi
| | Standard compliance
| ETSI TM4
| | RF bandwidth
| 1.75 MHz
| | Receiver sensitivity
| -87 dBm (@ BER 10-9)
| 5.1.2.2 RF @ 10.5 GHz
| Frequency band
| 10.5 GHz
Transmit: 10.50-10.65 GHz
Receive: 10.15-10.30 GHz
| | Output power
| Dynamic range: -25 dBm to +15 dBm
| | Antenna size
| 25x25 cm.
| | Antenna beamwidth
| 80 vertical and horizontal.
| | Antenna gain
| 24.5 dBi
| | Standard compliance
| ETSI TM4
| | RF bandwidth
| 1.75 MHz
| | Receiver sensitivity
| -87 dBm (@ BER 10-9)
| 5.1.2.3 RF @ 26 GHz
| Frequency band
| 26 GHz
Transmit: 25.557 to 26.453 GHz
Receive: 24.549 to 25.445 GHz
| | Output power
| Dynamic range - 30 dBm to +10 dBm
| | Antenna size
| 40 cm dish
| | Antenna beamwidth
| 2.50 vertical and horizontal.
| | Antenna gain
| 35 dBi
| | Standard compliance
| ETSI TM4
| | RF bandwidth
| 1.75 MHz
| | Receiver sensitivity
| -85 dBm (@ BER 10-9)
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Baseband
| Net payload baseband bandwidth
| 4.096 Mbps
| | Modulation & coding technique
| 64QAM @ convolutional coding, rate 2/3
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Interfaces
Up to 3 Telecom ports available with the following interfaces:
· ISDN PRI, E1/G.703, Fractional E1 for Leased Line , Frame Relay or V5.1 applications. Traffic range may vary in 64 Kbps increments (one such interface, another one is optional).
· V.35/X.21 at speeds up to 2.048 Mbps for leased lines or Frame Relay service.
· Ethernet interface for IP service
Date: 2015-01-11; view: 574
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