XW-4
（
CAS-10
）
Amateur Radio Satellite User's Manual
3
/
31
V2.0 by BA1DU
龚万骢
1
、
Technical specifications:
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VHF antenna:
1/4 wavelength whip antenna
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UHF antenna:
1/4 wavelength whip antenna
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CW telemetry beacon:
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Frequency: 435.575MHz
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RF power: 20dBm
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CW rate: 22wpm
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GMSK telemetry:
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Frequency: 435.725MHz
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RF power: 23dBm
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Data rate: 4800bps
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V/U mode linear transponder:
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Uplink frequency: 145.870MHz
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Downlink frequency: 435.180MHz
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RF power: 20dBm
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Bandwidth: 30kHz
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Spectrum inverted
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Photo download remote control:
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Frequency: 145.985MHz
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RF modulation: FM, frequency deviation ±3kHz
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Subcarrier: DTMF ( dual-tone multi-frequency )
