Two completely independent receiver channels in a single unit.

The Audio Technica ATW-1822 camera mount wireless microphone system provides an extremely flexible, professional, and easy-to-use portable wireless solution. It includes the ATW-R1820 dual-channel receiver and two ATW-T1802 plug-on transmitters. The ATW-1822 wireless system offers UHF reception of 996 user-selectable frequencies in 25 kHz steps. It also features automatic frequency scanning, Tone Lock squelch, back-lit LCD, soft-touch buttons, headphone monitor output with independent level control, and durable metal construction.

ATW-R1820 single-channel receiver
The ATW-R1820 dual receiver has two completely independent receiver channels in a single unit. Dual balanced outputs enable signals to be mixed, or independently assigned to each output. Independent audio level controls provide flexible audio mixing and monitoring possibilities.

ATW-T1802 plug-on transmitter
The ATW-T1802 plug-on transmitter features a locking XLR connector for adapting dynamic and condenser microphones and selectable high and low transmission modes to conserve battery life/maximize power. The ATW-T1802 Plug-on Transmitter also provides power to condenser microphones rated to operate on 12V phantom power or less.

Audio-Technica ATW-1822 1800 Series Dual Channel UHF Wireless System Features:

• Two completely independent receiver channels in a single unit, for simultaneous operation of two microphones
• Compact dual receiver is easy to mount on a camera
• True Diversity operation for resistance to multi-path interference and dropouts
• UHF reception with 996 frequencies selectable in 25 kHz steps
• Automatic frequency scanning for easy selection of open channels
• Tone Lock squelch system eliminates interference when transmitter is off
• Two independent balanced outputs
• Headphone monitor output with independent level control
• Battery fuel-level indicators on transmitters and receiver
• Soft-touch controls for easy frequency selection
• LCD frequency and battery status display with backlight
• Antenna and AF Peak LED indicators
• Dual-channel receiver can operate in single-receiver mode to extend battery life when only one audio channel is in use
• Transmitters operate in low or high transmission modes to conserve battery life/maximize power
• Easy, user-friendly operation
• Clear, natural sound quality
• Powered by AA batteries or by external 12V DC power (not included)
• System components of the 1800 Series and 3000 Series Wireless Systems can be used interchangeably

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Audio-Technica ATW-1822 1800 Series Dual Channel UHF Wireless System Specifications:

• ATW-R1820 Dual-channel receiver
• Receiving System: Dual independent RF sections, automatic-switching diversity
• Image Rejection: >50 dB typical
• Signal-to-Noise Ratio: 104 dB at 30 kHz deviation (A-weighted), maximum modulation 37 kHz
• Total Harmonic Distortion: <1% (±10 kHz deviation at 1 kHz)
• Sensitivity: 25 dBuV, (S/N 60 dB at 5 kHz deviation, A-weighted)
• Audio Output (balanced): 27 mV (at 1 kHz, ±5 kHz deviation)
• Output Connector: 3-pin mini XLR (TA3M-type)
• Monitor Headphone Output (typical): 35 mW max., 32 ohm load
• Monitor Headphone Jack: 3.5 mm TRS, signals on both Tip and Ring
• External Power Requirements: 12V DC nominal, 500 mA
• Batteries (not included): six 1.5V AA alkaline (not included)
• Current Consumption (battery): 600 mA typical
• Battery Life: 6 hours typical, depending on battery type and use pattern
• Dimensions: 3.35" (85.0 mm) W x 5.24" (133.0 mm) H x 1.42 (36.0 mm") D
• Net Weight: (without batteries) 15.0 oz. (425 grams)
• Accessories Included: Two flexible UHF antennas; two 18" TA3F to XLRM
• output cables; belt pouch
  
  ATW-T1802 plug-on transmitter
• RF Power Output: High: 30 mW; Low: 10 mW, nominal
• Spurious Emissions: Under federal regulations
• Input connector: 3-pin locking XLRF-type
• Batteries (not included): Two 1.5V AA alkaline
• Current Consumption: High: 180 mA; Low: 160 mA, typical
• Battery Life: Approximately 6 hours (High); 8 hours (Low), depending on battery type and use pattern
• Dimensions (W x H x D): 1.57" x 4.37" x 1.57", 40.0 x 110.0 x 40.0 mm
• Net Weight (without batteries): 7.0 oz (199 grams)