dedicated short-range communications system

Mobile station for dedicated short-range communications system (Item 32 of Article 2 Paragraph 1 of Certification Ordinance)
Base station for dedicated short-range communications system (Item 33 of Article 2 Paragraph 1 of Certification Ordinance)
Station for testing radio equipment for dedicated short-range communications system (Item 33-2 of Article 2 Paragraph 1 of Certification Ordinance)

Items		Technical standards
Class of emissions		A1D
Assigned frequency or designated frequency		Base: 5.775, 5.780, 5.785, 5.790, 5.795, 5.800, 5.805GHz Mobile: 5.815, 5.820, 5.825, 5.830, 5.835, 5.840, 5.845GHz Testing: 5.775, 5.780, 5.785, 5.790, 5.795, 5.800, 5.805GHz
Tolerance of frequency (×10^-6)		Base station ASK modulation : 20 Other than ASK : 5 Mobile station ASK modulation : 50 Other than ASK : 20 Testing station 5
Tolerance of occupied bandwidth		4.4MHz
Tolerance of spurious and unwanted emission intensity		25µW
Antenna power	Designated value	Base station : 0.3W or less Mobile station : 0.01W or less
	Tolerance	Base / Testing station : +20%, -50% Mobile station : +50%, -50%
Tolerance of adjacent channel leakage power		-30dB (5MHz detuning, ±2.2MHz bandwidth) -40dB (10MHz detuning, ±2.2MHz bandwidth)
Leakage power at no-carrier transmission		2.5µW or less
Transmission rate of modulation signal		ASK modulation : 1024kbps (±100×10^-6) QPSK modulation : 4096kbps (±100×10^-6)
Limit of secondary radiated emissions		2.5µW
Interference prevention function		Shall automatically transmit or receive the designated identification code
Note		Absolute gain of transmitter antenna Base station: 20dBi or less Mobile station: 10dBi or less Testing station: 10dBi or less

Notice: Regulations in the Ordinance Regulating Radio Equipment shall have priority over the descriptions in the sheet when any difference is found between them. Further above descriptions do not cover all of the regulations.