1. Japanese Radio Regulations in 433MHz,2.4GHz and UWB
NTT
Masashi Shimizu

2. 433MHz 1.74MHz 10mW ETSI (ECC DEC(04)02) 1MHz 5.6mW USA (FCC15.240)
200KHz
1mW
DUTY 10%
Japan (ARIB STD-T92)
433.05
433.5
433.82
434.02
434.5
434.79
433.92MHz
433MHz

3. Assumed 433MHz basic system
Wakeup
Tags
Ack
Command
Interrogator
Response

4. 433MHz in JAPAN

5. UWB in JAPAN Near field high speed communication only.
Power level is limited lower than 41.3dBm≒74nW/MHz, bandwidth should be kept GHz or GHz in JAPAN. The minimum data rate is 50Mbps.
From 2010 low band will be narrowed to 4.2GHz to 4.8GHz and DAA will be mandate.
Tags must be response from AC powered interrogator. One way beacon is prohibited.
ARIB STD T91
In door only
ARIB STD not yet
Out door/ In door with DAA
After 2010 DAA will be
mandate
until 2009
After 2010 no use
No USB
3.4GHz
4.2GHz
4.8GHz
7.25GHz
10.25GHz

6. Japanese RR Carrier frequency Allowable Bandwidth Transmit power
2400MHz to MHz
Allowable Bandwidth
83.5MHz(FH or FH+DS or FH+OFDM)
OFDM:38MHz,Others:26MHz
Transmit power
or FH+DS or FH+OFDM), 10mW/MHz(DS ), or FH+DS or FH+OFDM), 10mW/MHz(OFDM under 26MHz band), 5mW/MHz(OFDM over 26MHz band)
10mW(Others)