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IEEE S band
Frequency range
2 – 4 GHz
Wavelength range
15 – 7.5 cm
Related bands
E / F bands (NATO)
UHF / SHF (ITU)
Radio bands
ITU
1 (ELF)
2 (SLF)
3 (ULF)
4 (VLF)
5 (LF)
6 (MF)
7 (HF)
8 (VHF)
9 (UHF)
10 (SHF)
11 (EHF)
12 (THF)
EU / NATO / US ECM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
IEEE
HF
VHF
UHF
L
S
C
X
Ku
K
Ka
V
W
mm
Other TV and radio
I
II
III
IV
V
VI
v
t
e
The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz). Thus it crosses the conventional boundary between the UHF and SHF bands at 3.0 GHz. The S band is used by airport surveillance radar for air traffic control, weather radar, surface ship radar, and some communications satellites, especially those satellites used by NASA to communicate with the Space Shuttle and the International Space Station. The 10 cm radar short-band ranges roughly from 1.55 to 5.2 GHz. The S band also contains the 2.4–2.483 GHz ISM band, widely used for low power unlicensed microwave devices such as cordless phones, wireless headphones (Bluetooth), wireless networking (WiFi), garage door openers, keyless vehicle locks, baby monitors as well as for medical diathermy machines and microwave ovens (typically at 2.495 GHz). India's regional satellite navigation network (IRNSS) broadcasts on 2.483778 to 2.500278 GHz.[1]
^"Indian Regional Navigational Satellite System Signal In Space Interface Control Document for Standard Positioning Service" (PDF). Indian Space Research Organization. August 2017. Archived from the original (PDF) on 12 November 2020. Retrieved 8 February 2019.
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