Wire & Wireless Microphone This series is including: BMST WIRELESS MICROPHONE, PROFESSIONAL UHF MICROPHONE, PROFESSIONAL VHF MICROPHONE You may also visit our on-line introduction at http://www.yt-hy.com, which includes our latest product lines. BMST WIRELESS MICROPHONE BT-700 1. 200 channels available 2. 200 channels can be conveniently selected by the users 3. All of the transmitters and receivers purchased from our company can be interchangeably used 4. Automatic channel access and setting of the microphone (Transmitter) while being recharged 5. Green LED light on while the transmitter and receiver are being used 6. Low Battery Indicator by red LED blinks to have it recharged again 7. Rechargeable battery (Mi-MH AAA x 2 pieces.) for the microphone (Mi-MH AAA x 2) with high;capacity(1000mA) 8. 3 kinds of function keys of the receiver such as Down, Up and +10 9. Channel auto lock function of the receiver (Main station) Microphone (TRANSMITTER) 1. Frequency Ranges: 714 ~ 786MHz 2. TX out Power: 20mW max. 3. Channel: Total 200 Channels 4. Channel Spacing: 200 KHz 5. Audio Response: 50 Hz ~ 18 KHz, 6. Operating Voltage : 2.4 V N i- MH B attery ( 1 000 m A AAA x 2 EA) 7. THD: 0.7% typical at rated deviation / 1 KHz 8.Current drain: 100 mA 9. Dimension: Ø50 x 251mm 10. Weight: 200g Main station (RECEIVER) 1. Frequency Ranges: 740 ~ 752Mhz 2. Sensitivity: -90dBm ( at Mute control / 1Khz) 3. Channel: A Band 100 Chann el s / B Band 100 Channels 4. THD (at 1 kHz): Under 1.5 % 5. Noise cancel : Companding System 6. Audio output: unbalanced level variable out 7. Power Supply: DC 6V (2A) Adapter 8. Dimension: 242 (W) x 50 (H) x 180 (D)mm 9. Weight: PROFESSIONAL UHF MICROPHONE U-9900C " Frequency Response (Hz)- 500MHz -900 MHz " Modulation Mode: FM (PLL) " Nominal/peak Deviation:+/-25khz / +/-48khz " Frequency Stability: 0dB TRANSMITTER: RF Output Power at 50 : 8mW¡«30mW RF Squelch:>50Db