Home / HOME & LEISURE / Photo & Video / Microphones Product Description PLEASE NOTE: This product is stocked to order only so please email us for availability before purchasing. Includes ATW-R1820 dual-channel receiver, ATW-T1801 UniPak® body-pack transmitter, ATW-T1802 plug-on transmitter and a lavalier microphone With UHF reception (996 frequencies user-selectable in 25 kHz steps), Audio-Technica’s new 1800 Series camera-mount wireless microphone systems provide extremely flexible, professional, and easy-to-use portable wireless solutions. The 1800 Series is available in dual-channel and single-channel systems. For simultaneous operation of two microphones, dual-channel 1800 wireless systems include the ATW-R1820 dual receiver with 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. Two completely independent receiver channels in a single unit, for simultaneous operation of two microphones (dual-channel systems) Compact receiver is easy to mount on a camera 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 (dual-channel systems) Headphone monitor output with independent level control Battery fuel-level indicators on transmitters and receiver Soft-touch controls for easy frequency selection True Diversity operation for resistance to multi-path interference and dropouts 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 (dual-channel systems) 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 System components of the 1800 Series and 3000 Series Wireless Systems can be used interchangeably OVERALL SYSTEM SPECIFICATIONS Operating Frequencies UHF Band D: 655.500 to 680.375 MHz Number of Channels 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 100 m (300') typical Operating Temperature Range 23° F (- 5° C) to 113° F (45° C) Frequency Response 70 Hz to 15 kHz RECEIVER SPECIFICATIONS 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 dBµV, (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 (per channel) Monitor Headphone Jack 3.5 mm TRS, signals on both Tip and Ring External Power Requirements 12V DC nominal, 500 mA Batteries ATW-R1820: Six 1.5V AA alkaline (not included); ATW-R1810: Four 1.5V AA alkaline (not included) Current Consumption Dual-channel Operation: 600 mA typical; Single-channel Operation 350 mA typical Battery Life Dual-channel Operation (ATW-R1820): 6 hours typical* Single-channel Operation (ATW-R1810): 10 hours typical* * depending on battery type and use pattern Dimensions ATW-R1820: 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D ATW-R1810: 75.0 mm (2.95") W x 125.0 mm (4.92") H x 32.0 mm (1.25") D Net Weight ATW-R1820: 425 grams (15.0 oz) (without batteries) ATW-R1810: 300 grams (10.5 oz) (without batteries) BODY-PACK TRANSMITTER SPECIFICATIONS 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 Two 1.5V AA alkaline (not included) 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 66.0 mm (2.60") W x 87.0 mm (3.43") H x 24.0 mm (0.94") D Net Weight 80 grams (2.8 oz) (without PLUG-ON TRANSMITTER SPECIFICATIONS RF Power Output High: 30 mW; Low: 10 mW, nominal Spurious Emissions Under federal regulations Input Connector 3-pin locking XLRF-type Batteries Two 1.5V AA alkaline (not included) 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 40.0 mm (1.57") x 111.0 mm (4.37") x 40.0 mm (1.57") Net Weight 199 grams (7.0 oz) (without batteries) Gregory Audio Visual provide quality products and accessories for all your Audio Visual needs. We have a vast range of Connectors, AV leads, Disco Equipment , Lighting, Amplification, Screens, Data Video & Multimedia Projectors, Stands and Brackets for Plasma & LCD TV's. We are also authorised dealers for NEC, Sony, Mitsubishi, Sanyo, Audio Technica, Shure, Sennheiser, Trantec, Behringer, Electrovision, Soundlab & Skytec products. We hire Audio Visual Equipment for Conferences, Events, Seminars and meetings throughout the Lancashire area and have a fully equipped Video & DVD and PowerPoint Production Studio Facility. We take pride in providing the highest level of customer service and should you have any queries about this particular product or service or need any further information please do not hesitate to contact us. Our retail shop and trade counter is situated next door to Starlight Dancewear at Unit 1, St Aidan's Avenue, Mill Hill, Blackburn, Lancashire. BB2 4EA and is open Monday to Friday 9am to 5pm. Specifications Weight 6kg Delivery & Returns AUDIO TECHNICA Camera-mount UHF Wireless Systems 1823 Item in Stock Includes ATW-R1820 dual-channel receiver, ATW-T1801 UniPak® body-pack transmitter, ATW-T1802 plug-on transmitter and a lavalier microphone. £899.99