141343
Penta-band The term penta-band describes a device that supports five frequency bands : 850 , 900 , 1900 , 2100 and 1700/2100 ( AWS ) MHz bands .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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