| Items |
Technical standard
|
| Assigned frequency or designated
frequency |
2,400 - 2,483.5MHz |
| Communication method |
One-way communication, simplex, semi-duplex,
or duplex operation of digital signal transmission including spread spectrum |
| Tolerance of frequency (×10-6)
|
50 |
| Tolerance of occupied bandwidth |
FH : 83.5MHz
FH+DS : 83.5MHz
FH+OFDM : 83.5MHz
OFDM : 38MHz
Others : 26MHz |
| Antenna power |
Designated value
(1) FH, FH+DS, FH+OFDM 3mW/MHz
(used in the range of 2427 -
2470.75MHz)
(2) Other than (1) of DS : 10mW/MHz
(3) Other than (1) of OFDM
Occupied bandwidth ≤ 26MHz : 10mW/MHz
26MHZ < Occupied bandwidth ≤ 38MHz : 5mW/MHz
(4) Other than (1), (2) & (3) : 10mW
Tolerance
+20%,-80% |
| Tolerance of unwanted emission
intensity |
(1) Below 2387MHz : 2.5µW/MHz
(2) 2387 to 2400MHz : 25µW/MHz
(3) 2483.5 through 2496.5MHz : 25µW/MHz
(4) Over 2496.5MHz : 2.5µW/MHz |
| Spreading bandwidth |
DS, FH, FH+DS, FH+OFDM : 500kHz or more |
| Holding time of hopping frequency |
FH+DS, FH+OFDM : 0.4sec or less
FH : The total sum of holding time at
arbitrary frequencies within the time multiplied 0.4 sec by the spreading
ratio shall be 0.4sec or less. |
| Limit of secondary radiated
emissions |
(1) Below 1GHz : 4nW
(2) 1GHz or higher : 20nW |
| Interference prevention function |
Shall have the function of automatic transmission or reception of identification
code. |
| Note |
DS: Direct spreading
FH: Frequency hopping
OFDM: Orthogonal frequency division multiplexing |
