Audio-Technica ATW-2120b Handheld Transmitter Wireless System

Audio-Technica ATW-2120b Handheld Transmitter Wireless System Overview: The Audio Technica ATW-2120b wireless hand held radio microphone system consists of the Audio Technica ATW-R2100B radio mic receiver and the ATW-T220a hand held cardioid dynamic microphone Features: ATW-R2100b receiver ATW-T220a handheld cardioid dynamic microphone /transmitter Automatic frequency scanning Up to 10 user selectable channels available Tone Lock™ squelch function fights interference Specifications: Overall System Operating Frequencies UHF band: 656.125 – 678.500 MHz (D Band); 854.900 – 864.900 MHz (F Band); 487.125 – 506.500 MHz (I Band); 606.500 – 631.000 MHz (U Band) Number Of Channels 10 total Frequency Stability ±0.005%, Phase Lock Loop frequency control Modulation Mode FM Frequency Response 100 Hz to 15,000 Hz Operating Range 100 m (300') typical Operating Temperature Range 41° F (5° C) to 113° F (45° C) Receiver Receiving System True Diversity Image Rejection 55 dB nominal, 50 dB minimum Signal-To-Noise Ratio >100 dB at 40kHz deviation (A-weighted), maximum modulation 40 kHz Sensitivity 20dBuV (S/N 60dB at 5 kHz deviation, IEC-weighted) Total Harmonic Distortion < 1% (at 1 kHz, ±20 kHz deviation) Audio Output Attenuator (ATTN) Unbalanced: 25mV (100k ohms load), 1/4" phone jack Balanced: 50mV (Attenuator; 0dB) 12.5mV (Attenuator; -12dB) at 1 kHz ± 5kHz deviation, 100k ohm load, XLRM-type Antenna Input BNC-type 50 Ohms – Bias voltage 12V DC, 60mA each Dimensions 210 mm x 44 mm x 162.2 mm (W x H x D) Weight 1.0kg Accessories Included Two flexible UHF antennas, rack mount adapters, AC adapters Handheld Transmitter RF Power Output High: 30mW; Low: 10mW, nominal Spurious Emissions According to National Regulations Microphone Element Dynamic, unidirectional Battery Type Two 1.5V AA alkaline or rechargeable AA NiMH (not included) Current Consumption 150 mA typical Battery Life Approximately 9 hours (low), 7 hours (high) Dimensions 229 mm long – 53.5 mm maximum diameter Net Weight 221g Accessories Included AT8456a Quiet-Flex™ Stand Clamp.