Audio-Technica ATW-T210 Body Pack Transmitter for AT 2000 Series Wireless Systems
Operating Frequency: 656.125 to 678.500 MHz   Number of Channels: 10 total   Frequency Stability: +/-0.005%, Phase Lock Loop   frequency control   Modulation Mode: FM   Normal Deviation: +/-5kHz   Operating Range: 300' typical   Frequency Response: 100 Hz to 15 kHz   RF Power Output: 12 mW typical   Spurious Emissions: Under Federal Regulations   Input Connections: High impedance, low impedance,   bias   Battery: Two 1.5V AA alkaline (not included0   Current Consumption: 150 mA typical   Battery Life: Approx. 9 hours (depending on battery   type and use pattern)   Dimensions (W x H x D): 2.60" x 3.63" x 0.89"   Net Weight: 2.82 oz