IrDA-9000 --Products link-- <UHF models> QR-4000U UDR-1000/2000 IrDA-9000 SDR-8200 SDR-7200 SDR-5000 SDR-2816SC/1816SC AIR-812/813 R-612/613 <VHF models> SDR-1216/2216 AIR-212 R-303/304 R-1001/2001   2-way Sinc. True Diversity Wireless Microphone System       >>Bodypack Transmitter Receiver Handheld Beltpack     SM-9000 IrDA bodypack transmitter   • Multi-function LCD display for channel/frequency, sensitivity, battery status indicator, Alkaline/NiMH battery selection • Patented IrDA technology for 2-way data transfer between transmitter and receiver. • 100 frequencies agile in 20 MHz bandwidth • ±40 KHz peak deviation. • 35 mW maximum transmission power. • Supports various lavalier, headset and instrument microphones as well as guitar cable. • Power-On LED. • Uses 2 pcs AA batteries to operate • Low current consumption • Long operating time up to 16 hours. • Audio mute switch. • Standard 4-pin mini XLR connector. • 1/4 wave whip antenna. • Detachable belt-clip for changing of wearing position. SM-9000 Secifications Model SM-9000 Frequency Range UHF High Band 600 - 900 MHz Switching Bandwidth 25 MHz Switchable Frequency 100 2-way synchronization Yes RF Power Output <35 mW** Spurious Emission > 60 dB below carrier Dynamic Range > 110 dB Display Screen LCD T.H.D < 0.5% Battery Type AA × 2 Operating Life (Alkaline) about 16 hours (Alkaline) Charing Function YES Peak Deviation ±40KHz Antenna 1/4 wave, whip antenna Connector 4-pin mini-XLR type Dimension (mm) 100(L) x 66(W) x 24(H) Weight (g) 97 Remark: The above specifications are subject to change without prior notice. **Output power varies from country to country.