• 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


Overall System
Operating Frequencies UHF band
541.500 – 566.375 MHz (C Band)
656.125 – 678.500 MHz (D Band)
854.900 – 864.900 MHz (F 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)
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