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| Press Release |
May
16 , 2001 |

| DDI
POCKET Launches AirH", New Data Communications Service
that Achieves a Total Wireless Internet Environment with
Fixed Rates for Unlimited Internet Access |
| DDI POCKET,
Inc. is pleased to announce that it will launch AirH"
(pronounced Air Edge), a new wireless data communications
service that uses packet switching technology, on June
1, 2001. A packet switching function has been added to
the current network infrastructure for this service, which
achieves highly reliable data communications with lower
fees. Preparations are also under way to offer higher
data speed (128kbps, and others) in this fall. |


AirH" is a new type of
data communications service that makes use of packet switching.
In addition to the conventional circuit exchange at 64kbps,
by introducing packet switching, highly reliable data
communications with low cost will be achieved. Upon deploying
the packet switching system onto the network, DDI POCKET
will utilize a dedicated IP network for the baseline part
of the network, which will enable volume transmissions
at a lower cost.
Flat fee plan is available at 5,950 yen per month, after
the annual discount scheme takes effect, while users are
required to pay a separate internet provider fee to their
ISPs.
With the launch of AirH", users will be able to access
the Internet through the access services of PRIN(by DDI
POCKET) or DION(by KDDI). In addition, Seiko Instruments
Inc. (SII) will be releasing the AirH" Card, a PC card
enabling AirH" communications. |

| 2. Transmission Technology |

| Two transmission methods
will be available for AirH". The Flex Change Method automatically
switches between 64kbps circuit switching and 32kbps packet
switching, depending on the volume of data transmission.
A 32kbps Packet Switching Method solely uses 32kbps packet
switching. |


| DDI POCKET will offer fees
for both transmission methods, which take advantage of
the cost performance of each backbone. |
| (1) |
Flex Change Method |
Name:
Net 25 (a service on a semi-fixed rate)
Basic monthly usage fee: 5,800 yen
The monthly fee includes communications fees
of up to 25 hours/month provided free of charge.
*Usages exceeding 25 hours will be charged 10 yen/60
seconds. |
|
| (2) |
32kbps Packet Method |
Name:
Tsunagi Hodai (a service on a fixed rate)
Basic monthly usage fee: 7,000 yen
The access time is unlimited for the given
fee. |
|


| An annual discount, a long-term
discount, and a discount scheme for multiple lineusers
requiring more than one line may be applied to the both
types of AirH" service fees. |
| |
Basic
Monthly Fee |
Annual
Discount Scheme |
Annual
Discount + Long-term Discount Schemes Applied |
Annual
Discount + Long Term Discount + Discount for Users
Using More than One Line |
| Net
25 |
5,800
yen |
4,930
yen |
4,350
yen |
4,150
yen |
| Tsunagi
Hodai |
7,000
yen |
5,950
yen |
5,250
yen |
5,050
yen |
|


| Net 25, a Flex Change Method,
is scheduled to launch on June 1, 2001. The Tsunagi Hodai
,a 32kbps Packet Switching Method, is scheduled to launch
in August 2001. |

| 6. Internet Access Services
Supporting AirH" |

PRIN (by DDI POCKET) and
DION (by KDDI)
The Flex Change Method will be supported from June 1,
and 32kbps packet switching will be supported from August.
Among DION users, Mini-Mini, Betsu-Betsu and Bari-Bari
connection types will apply.
Please visit DION at: http://www.dion.ne.jp/
Services of other ISPs are scheduled to roll out in the
future. |


| On June 1, the AirH" Card,
a PC card that enables AirH" communications, is scheduled
for release. |
 |
| Made by Seiko Instruments,
Inc. |
| DDI POCKET also plans to
introduce AirH"Cardpetit, a compact flash type card with
AirH" communication functions. |
Rate comparison
(monthly fee + communications fee) |

| * |
if the annual
discount scheme is applied, Fee for Super Pack L is the
calculation for data communications within one service
area |
AirH" Service
Fee Combinations |

Net 25 + DION Bari-Bari
course (ISP service)
Monthly
Fee for Net 25 |
|
Monthly
Fee for DION Bari-Bari course |
4,930
yen |
+ |
1,950
yen |
| |
↓ |
|
For
6,880 yen per month, access up to 25 hours/month. |
*Annual discount scheme
applies for this calculation |
Tsunagi Hodai + DION Bari-Bari
course (ISP service)
Monthly
Fee for Tsunagi Hodai |
|
Monthly
Fee for DION Bari-Bari course |
5,950
yen |
+ |
1,950
yen |
| |
↓ |
|
For
7,900 yen per month, unlimited access. |
*Annual discount scheme
applies for this calculation |
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