| Alltel
Wireless | Cingular/
AT&T
Mobility | Sprint
Nextel | T-Mobile | U.S.
Cellular | Verizon
Wireless |
Size of
Network | Cell
sites
not
disclosed,
12 million customers
in 36
states | 45,000
cell
sites,
61
million customers | 61,000
cell
sites,
53.1
million customers | Cell
sites
not
disclosed,
25
million customers | 6,000
cell
sites
covering
26 states,
5.8
million customers | Cell
sites
not
disclosed,
59.1
million customers |
Voice
Technology
&
Frequency | CDMA
850 MHz | GSM
850 MHz | CDMA
800 MHz
900 MHz
iDEN
1900 MHz | GSM/GPRS
1900 MHz | CDMA
800 MHz
1900 MHz | CDMA
800MHz 1900MHz |
| The Ratings |
Avg. grade
in Voice
Report’s
2007
wireless
study for
‘quality of
voice service
& coverage
area’
(March 21,
2007) | B- (10
respondents representing 1,036
devices) | B- (88
respondents representing 292,939
devices) | C+ (81
respondents representing 151,800 devices) | C+ (43
respondents representing 41,564
devices) | B+ (7
respondents representing
987
devices) | B (90
respondents representing 246,440 devices) |
Consumer
Reports’
cell
phone
survey/
reader
score
(January
2007) | 2nd
overall | 4th
overall | 5th
overall | 3rd
overall | Unranked | 1st
overall |
J.D.
Power’s
2006
Business
Wireless Satisfaction
Study –
2,725
businesses
(May 17,
2006) | 4th
overall satisfaction | 3rd
overall satisfaction | 5th
overall satisfaction | 2nd
overall satisfaction | Unranked | 1st
overall satisfaction |
J.D.
Power’s
‘Call
Quality Performance’ study –
29,346 respondents (March 15,
2007) | Tied
for
2nd
in SE,
tied
for
3rd
in W,
4th in
North
Central
and
tied
for 4th
in SW.
Not
ranked
in
NE or
Mid-
Atlantic. | Tied
for
2nd
in NE,
2nd in
Mid-
Atlantic,
3rd in
SW,
5th in
SE,
last in
North
Central
and W. | Tied
for
2nd
in NE,
4th in
Mid-
Atlantic
and SE,
5th in
North
Central
and
West,
tied for
last in
SW. | Tied
for
2nd
in SE
and
North
Central,
2nd
in SW,
3rd in
Mid-
Atlantic
and W,
4th in
NE. | 1st
in
North
Central
region.
Not
ranked
in
other
regions. | 1st
in all
regions
except
W
(tied for
1st
with
Qwest)
and North Central
(tied
for 2nd). |
% of
dropped
calls
found in mindWireless study of 80
million calls
(Feb. 21,
2007) | Not
Studied | Legacy
Cingular = 11.3%
Legacy
AT&T
Wireless
= 5.7% | Sprint
= 5.4% Nextel
= 14.6% | 13.8% | Not
Studied | 8.0% |
| Source: Study results provided by Voice Report, Consumer Reports and J.D. Power & Assoc. |
