CONSUMER ALERT
Most users do not need a license to operate this wireless microphone system. Nevertheless,
operating this microphone system without a license is subject to certain restrictions:
the system may not cause harmful interference; it must operate at a low power level
(not in excess of 50 milliwatts); and it has no protection from interference received
from any other device. Purchasers should also be aware that the FCC is currently
evaluating use of wireless microphone systems, and these rules are subject to change.
For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit
the FCC’s wireless microphone website at
http://www.fcc.gov/cgb/wirelessmicrophones.
Clean, accurate reproduction for lecturers, stage/TV performers and singers..
The Audio Technica ATW-1821 Camera Mount UHF Wireless System includes the ATW-R1820 single-channel receiver, two ATW-T1801 UniPak body-pack transmitters and two omnidirectional lavalier microphones. The ATW-1821 offers UHF reception of 996 user-selectable frequencies in 25 kHz steps. The ATW-1821 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. Audio-Technica's ATW-1821 camera-mount wireless microphone system provides an extremely flexible, professional, and easy-to-use portable wireless solution.
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-T1801 UniPak body-pack transmitter
The ATW-T1801 UniPak body-pack transmitter features a professional locking 4-pin connector compatible with all Audio-Technica Wireless Essentials microphones. The ATW-T1801 transmitter offers selectable high and low transmission modes to conserve battery life/maximize power.
Omnidirectional Condenser Lavalier Microphone
The Omnidirectional Condenser Lavalier Microphone is designed to be worn as a lavalier or hidden in loose clothing or in the hair. The wide-range capability of the Omnidirectional lavalier microphone ensures clean, accurate reproduction for lecturers, stage/TV performers and singers. It is terminated with locking 4-pin connector for the Audio Technica A-T UniPak body-pack wireless transmitter. Has a 55" (1.4 m) cable and includes a windscreen and clothing clip.
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Audio-Technica ATW-1821 1800 Series Dual Channel Camera Mount UHF Wireless System Features:
- System
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
Omnidirectional Condenser Lavalier Microphone
Small size provides excellent yet unobtrusive sound pickup
High intelligibility for lecturers, stage/TV performers and singers
Wide-range capability ensures clean, accurate reproduction
Audio-Technica ATW-1821 1800 Series Dual Channel Camera Mount UHF Wireless System Specifications:
- Overall System
UHF Operating Frequencies: Band C: 541.500 to 566.375 Mhz; Band D: 655.500 to 680.375 MHz
Number of Operating Frequencies: 996 total per band (25 kHz increments)
Frequency Stability: ±0.005%, Phase Lock Loop frequency control
Modulation Mode: FM
Normal Deviation: ±10 kHz
Operating Range: 300' (100 m) typical
Operating Temperature Range: 23° F (- 5° C) to 113° F (45 ° C)
Frequency Response: 70 Hz to 15 kHz
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-T1801 UniPak body-pack transmitter
RF Power Output: High: 30 mW; Low: 10 mW, nominal
Spurious Emissions: Under federal regulations
Dynamic Range: >105 dB, A-weighted
Input Connections: High impedance, low impedance, bias
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): 2.60" x 3.43" x 0.94" (66.0 x 87.0 x 24.0 mm)
Net Weight (without batteries): 2.8 oz (80 grams)
Omnidirectional Condenser Lavalier Microphone
Element: Fixed-charge back plate, permanently polarized condenser
Polar pattern: Omnidirectional
Frequency response: 30-20,000 Hz
Open circuit sensitivity: -34 dB (19.9 mV) re 1V at 1 Pa
Impedance: 200 ohms
Maximum input sound level: 131 dB SPL, 1 kHz at 1% T.H.D.
Dynamic range (typical): 107 dB, 1 kHz at Max SPL
Signal-to-noise ratio: 70 dB, 1 kHz at 1 Pa
Phantom power requirements: 9-52V DC, 2 mA typical
Weight: 0.05 oz (1.3 g)
Dimensions: 0.62" long x 0.33" wide x 0.19" thick, (15.8 mm long x 8.5 mm wide x 5.0 thick mm)
Output connector: Integral 3-pin XLRM-type
Cable: 55" (1.4 m) 2-conductor, shielded cable with TA3F output connector
Accessories furnished: clothing clip; windscreen
Audio-Technica ATW-1821 1800 Series Dual Channel Camera Mount UHF Wireless System
One year parts and labor warranty.
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offers you UPGRADED COVERAGE if your product ever fails!
Pro Coverage includes:
- Accidental damage protection (new gear only)
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- 100% Coverage for Commercial Use
- Extended Return Period
- Extended Price Protection
- No Lemon Guarantee
- Free Transfer of Coverage to a new owner
- Repair Costs Covered for up to 3 years from date of purchase
- Repairs Can Be Authorized Toll-Free by Phone or the via the web
