1. Thailand’s Important Mission for
Spectrum Re-farming)
TELECOM & INNOVATION JOURNAL CONFERENCE
Auditorium

2. 1.
2.
4.
3.

3. Very low
frequency
VLF 3--30 kHz 1000’s km
Very
Narrow
Directly audible when converted to sound
(below ~20 kHz; or ultrasound otherwise)
Low
frequency
LF
30--300
kHz
1000’s km
Very
Narrow
AM broadcasting, navigational beacons,
lowFER, amateur radio
Medium
frequency
MF
300--3000
kHz
2--3000 km Moderate
Navigational beacons, AM broadcasting, amateur
radio, maritime and aviation
communications
High
frequency
HF 3--30 MHz
Up to 1000
km
Wide
Shortwave, amateur radio, citizens' band radio,
skywave propagation
Very high
frequency
VHF
30--300
MHz
2--3000 km Very Wide
FM broadcasting, amateur radio, broadcast
television, aviation, GPR, MRI
Ultra high
frequency
UHF
300--3000
MHz
< 100 km Very Wide
Broadcast television, amateur radio, mobile
telephones, cordless telephones,
wireless networking, remote keyless entry
for automobiles, microwave ovens, GPR
Super high
frequency
SHF 3--30 GHz
Varies 30km
to 2000 km
Very Wide
up to 1 GHz
Wireless networking, satellite links, amateur
radio, microwave links, satellite
television, door openers
Extremely
high
frequency
EHF
30--300
GHz
Varies 20km
to 2000 km
Very Wide
Up to 10 GHz
Microwave data links, radio astronomy,
amateur radio, remote sensing,
advanced weapons systems, advanced

4. 4

6. Games
Video
Communication
Blogging
File Sharing
E-commerce
Search
News
Maps, Navigation
Photos
Social Networking
Music

7. Spectrum Re-farming
1.
–
–

8. Spectrum Re-farming (
2.
3.

9. Spectrum Re-farming (
4.
4.1
4.2
4.3

10. Spectrum Re-farming (
4.
4.4
4.5
4.6

11. Spectrum Re-farming
• Re-Farming
1.
(Disruption to Customer)
2.
(Disruption to Investment)

12. Spectrum Re-farming

13.  MHz MHz

MHz Telecom
Broadcast
 MHz
Broadcast

14.  MHz MHz

Re-farm
 MHz MHz


15. 15