1. Beacon Types Beacon Type Granularity Beacon coverage Tech Rollout
(worldwide units)
Phones (109)
PDAs (107)
Laptops (108)
802.11
50m-100m
Good No
Yes
Bluetooth
10m-100m
Increasing
GSM
100m-3km
Very good
Few
GPS
5m-30m
Outdoors
Not yet
Infra Red
3m-10m
None
Audio beacons
Visual beacons
1m-10m
Some

2. Mobile Phone Platform J2ME’s MIDP/CLDC environment
VM restrictions, e.g. no floats (CLDC 1.0)
Different beacon types available
GSM cell tower ID, Bluetooth, but not WiFi
Potential for much higher rollout than for PDAs, Laptops
Development in collaboration with Intel Research Cambridge

3. Nokia Developer Platforms
Source:

4. Nokia Developer Platforms
MIDP
CLDC
# phones
Bluetooth
Native
Float Support
Series
MIDP 1.0
CLDC 1.1
41 phones No
Yes
Series
MIDP 2.0
5 phones
Series
CLDC 1.0
7 phones
Series
Series
1 phone
Series
CDMA
9 phones

5. Future Releases Symbian OS 8 supports MIDP 2.0 and CLDC 1.1
Nokia 6630 already released using Symbian OS 8/Series
JSR 179 Location API
Java standard to provide Cell ID, GPS, phone orientation (like a compass)
No known phone provides this support yet

6. Top 10 Most Popular Asian Phones
MIDP Version
CLDC Version
Extra Notes
Nokia 6230
MIDP 2.0
CLDC 1.1
Series
Nokia 7610
CLDC 1.0
Series
Panasonic X70
MIDP 1.0
Samsung E700
Sony T630
Nokia 7200
Series
Nokia N-Gage
Series
Nokia 6600
Sony T610
Motorola E365
Source: CNET.com (June 2004)

7. AT&T Wireless Top 7 phones
MIDP Version
CLDC Version
Extra Notes
Samsung X426
MIDP 1.0
CLDC 1.0
Nokia 6800
Series
Nokia 3595
Nokia 3100
Nokia 3200
Nokia 6820
Nokia 3620
Series
Source: attws.com (July 2004)