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NERA M4 World Communicator Inmarsat Technical Specifications
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Antenna:
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Directional patch array antenna. Manually adjustable elevation setting.
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Voice:
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4.8 Kbps AMBE, 64 kbps broadcast.
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Async. Data Rate:
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2.4 kbps, 56 kbps and 64 kbps.
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Phone Interface:
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2-wire 600W CCITT Rec. G.473, standard DTMF telephones, RJ-11 modular
jack.
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Fax Interface:
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2-wire 600W CCITT Rec. G.473, T.30 Groups III Fax, RJ-11 modular jack.
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Data Interface:
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Serial EIA compatible standard RS-232E, built-in Hayes compatible modem,
up to 115 kbps, DB-9 female connector.
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Euro ISDN Interface:
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ISDN NT1 S/T bus, ITU-T I.430, ISO 8877 compliant RJ 45 connector.
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Audio Input:
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Phono connector, broadcast quality voice.
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Audio Output:
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Headphone stereo jack, 48W, Ø 3.5mm.
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SIM Card Interface:
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Standard plug for user PID card, ISO-7816.
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PCMCIA Interface:
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Type 2
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USB Interface:
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USB Slave Interface
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Antenna Connector:
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50 W QLA
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Power Supply:
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9.5 - 18.5 VDC
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Power Consumption:
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Rx Idle < 0.1 W, Tx active 40 W, average at high speed data operation
(Max. 60 W).
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Battery Capacity:
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2h broadcast quality voice/ 4h Mini-M voice, 45 min. high speed data/fax
or 2h Mini-M data/fax, 70h standby.
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Standard AC Adapter:
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90-264 VAC, 47-63 Hz, 65 W.
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Ambient Temperature:
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-25°C to +55°C operating.
-40°C to +80°C storage.
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Relative Humidity:
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IME: 95% non-condensing at +40°C
EME: 100% condensing.
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Vibration Survival:
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Random 5-20 Hz 0.05 g²/Hz, 20-150 Hz -3dB/Oct. (1.7g RMS).
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Mechanical Shock:
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20g/11ms half-sine.
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G/T:
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-7 dB/K minimum.
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EIRP:
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Mini-M: 8-14 dBW in 2 dB steps. HSD: 19-25 dBW in 2 dB steps.
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Antenna Cable:
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QLA/QLA male, max. cable loss 10 dB at 1.66 GHz, 0.7 W at DC.
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Transmit Frequencies
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1626.5 - 1660.5 Mhz
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Receive Frequencies
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1525.0 - 1559.0 Mhz
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Channel Spacing
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1.25 kHz
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Rx Modulation:
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5.6 kbps O-QPSK, SCPC (voice, data, fax), 6 kbps BPSK - TDM, 134.4 kbps
16QAM, SCPC (data).
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Tx Modulation:
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5.6 kbps O-QPSK, SCPC (voice, data, fax), 3 kbps BPSK - TDMA, 134.4 kbps
16QAM, SCPC (data).
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Transceiver Dimensions:
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HxWxD: 43 mm x 205 mm x 200 mm.
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Transceiver Weight:
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1.8 kg (including battery and handset).
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Antenna Dimensions:
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HxWxD Closed: 437 mm x 271 mm x 41 mm
HxWxD Open: 414.5 mm x 753 mm x 12 mm
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Antenna Weight:
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3 Kg.
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