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Appendix
Frequency bands
Europe: 1880-1900MHz
South America:
1910-1930MHz
North America (UPCS):
1920-1930MHz
Taiwan: 1880-1895MHz
Number of
channels
North America (UPCS):
60 channels
Taiwan: 96 channels
Others: 120 channels
Range
300 m open field,
50 m indoor
Connection
USB
Standby time
150 hours
Talk time
10 hours
Charging time
12 hours
Rechargeable
battery cells
2 X AAA, NiMH 750 mAh
Summary of Contents for VOIP251
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