This is the Audio-Technica ATW-1102 System 10 Wireless Handheld Microphone System. It includes the ATW-R1100 receiver and ATW-T1002 handheld dynamic unidirectional microphone/transmitter. Includes AT8456a Quiet-Flex stand clamp. specifications Overall System Operating Frequencies 2.4 GHz ISM band (2400 to 2483.5 MHz) Frequency Response 20 Hz to 20 kHz Depending on microphone type Operating Range 30 m (100') typical Open range environment with no interfering signals Total Harmonic Distortion 7 hours (alkaline) Depending on battery type and use pattern Dimensions 254.8 mm (10.03") long, 50.0 mm (1.97") diameter Net Weight 280 grams (9.9 oz) without batteries Accessories Included AT8456a Quiet-Flex™ stand clamp Receiver Receiving System Diversity (frequency/time/space) Maximum Output Level XLR, balanced: 0 dBV 1/4" (6.3 mm), unbalanced: +6 dBV Power Supply 100-240V AC (50/60 Hz) to 12V DC .5A (center positive) switched mode external power supply Operating Temperature Range 40° F (4° C) to 110° F (43° C) Dimensions 190.0 mm (7.48") W x 46.2 mm (1.82") H x 128.5 mm (5.06") D Weight 290 grams (10.2 oz) Accessories Included Power supply
