Audio Technica ATW-901a/L System 9 Lavalier Wireless System

Type: VHF High Band

Operating Frequencies: 169.505, 170.245, 171.045, 171.905 MHz

Modulation Mode: FM

Maximum Deviation: ±10 kHz

Dynamic Range: ≥90 dB (A-weighted), typical

Operating Range: 200' (61.0 m), open range environment with no interfering signals

Operating Temperature Range: 40 to 110° F (4 to 43° C), battery performance may be reduced at very low temperature

Frequency Response: 80 to 13,000 Hz

Receiver

Receiving System: Non-diversity, single-channel, dual-antenna system

Image Rejection: 50 dB minimum

Audio Output: Nominal Output Level
Balanced XLR: 350 mV (1 kHz modulation, 10 kHz deviation, 100-kOhm load)
Unbalanced 1/4" (6.3 mm): 700 mV (1 kHz modulation, 10 kHz deviation, 100-kOhm load)

Power Supply: 100 to 240 VAC (50/60 Hz) to 12 VDC at 0.5 A (center positive) switched mode external power supply

Dimensions (W x H x D): 7.48 x 1.82 x 5.06" (190 x 46.2 x 129 mm)

Weight: 12.0 oz (337 g)

Transmitter

RF Power Output: High: 10 mW

Spurious Emission: Following federal and national regulations

Input Connections: Four-pin, Locking Connector
Pin 1: GND
Pin 2: INST INPUT
Pin 3: MIC INPUT
Pin 4: BIAS +9 VDC

Batteries: Two 1.5 V AA (not included)

Current Consumption: 8 hours (alkaline), depending on battery type and use pattern

Dimensions (W x H x D): 2.76 x 4.08 x 0.98" (70.2 x 104 x 24.9 mm)

Weight: 2.8 oz (79 g) (without batteries)

Receiver: (W x H x D): 7.48 x 1.82 x 5.06" (190 x 46.2 x 129 mm)

Transmitter: (W x H x D): 2.76 x 4.08 x 0.98" (70.2 x 104 x 24.9 mm)