what do you mean? each radio has the same frequencies I believe...
No they don't.
Only the Verizon, latinamerican and International version have the 900mhz UMTS band enabled.
AT&T - D800
GSM 850/900/1800/1900
UMTS 850/1900/2100
LTE 1900(2)/1700(4)/850(5)/700(17)
Sprint - LS980
GSM 850/1900
CDMA 800/850/1900
UMTS 850/1900
LTE 1900(25)/800(26)/2500(41)
T-Mobile - D801
GSM 850/900/1800/1900
UMTS 850/1700/1900/2100
LTE 1900(2)/1700(4)/700(17)
Verizon - VS980
GSM 850/900/1800/1900
CDMA 850/1900
UMTS 850/900/1900/2100
LTE 1700(4)/700(13)
Global version - D802
GSM 850/900/1800/1900
UMTS 850/900/1900/2100
LTE 800/900/1800/2100/2600
Canadian version - D803
GSM 850/900/1800/1900
UMTS 850/1900/2100
LTE 700,AWS(1700?),2600
Latin America version - D805
GSM 850/900/1800/1900
UMTS 850/900/1900/2100
LTE 700/1700/2600