Audio-Technica ATW-202 Handheld Radio Microphone System

Audio-Technica ATW-202 Handheld Radio Microphone System

Non diversity VHF handheld radio system.

Audio-Technica’s Liberator Series Wireless System provides proven performance in a variety of settings. The Liberator Series professional VHF wireless system includes a receiver and a microphone/transmitter on a specific crystal-controlled frequency, in this case 173.800MHz. The Liberator receiver design features an innovative docking power supply configuration. An AC power adapter housed in a compartment in the receiver uses an IEC-standard detachable power cordset. Furthering its flexibility, the power adapter may be easily removed from the receiver case, permitting its use as a conventional in-line AC adapter.

Overall System
Operating Frequency : VHF high band, 173.800 MHz, 174.600 MHz and 175.000 MHz
Number of Channels : Fixed channel
Frequency Stability : ±0.005%
Modulation Mode : FM
Maximum Deviation : ±15 kHz
Operating Range : 70m typical
Operating Temperature Range : 40° F (4° C) to 110° F (43° C)
Frequency Response : 80 Hz to 13 kHz

Receiver Specifications
Receiving System : Non-diversity, single-channel, dual antenna system
Image Rejection : 50 dB minimum
Signal-to-noise Ratio : 80 dB at 10 kHz deviation (IEC-weighted), maximum modulation 15 kHz
Total Harmonic Distortion : <=1% (10 kHz deviation at 1 kHz)
Sensitivity : 20 dBµV for 60 dB S/N (IEC-weighted)
Audio Output : 350 mV (1 kHz modulation, 10 kHz deviation, 100 k ohm load)
Output Connector : 1/4" TS ("mono") phone jack
Power Supply : 230V AC (50Hz) to 12V DC, 500 mA (centre positive), external
Dimensions : 190.0 mm W x 42.0 mm H x 130.0 mm D
Net Weight : 311 grams
Accessories Included : Power Supply

Handheld Transmitter
RF Power Output : 10 mW typical (high); 2 mW (low), typical
Spurious Emissions : According to R&TTE Directive
Dynamic Range : >=90 dB, A-weighted
Microphone Element : Dynamic unidirectional
Battery : 9V (NEDA type 1604) alkaline, not included
Current Consumption : 30 mA typical
Battery Life : Approximately 15 hours (high); 20 hours (low)
Dimensions : 241.3 mm long; 53.3 mm diameter
Net Weight : 360 grams
Accessory Included : AT8456a Quiet-Flex stand clamp






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