Alto Radius 100M Wireless Instrument System
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Alto Radius 100M Wireless Instrument System Alto Radius 100M Wireless Instrument System

Alto Radius 100M Wireless Instrument System

by Alto
The Alto Radius 100M is a professional wireless system designed specifically for use with instruments. Delivering consistent and high qualit..

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The Alto Radius 100M is a professional wireless system designed specifically for use with instruments. Delivering consistent and high quality performance – the Radius 100M is the perfect wireless instrument system for when you demand reliability.

All-In-One Wireless System

Extremely Reliable Switching Diversity Design

To ensure consistent performance that you can rely on, the Alto Professional Radius 100M makes use of a switching diversity receiver design which uses two separate antenna systems.

While using the Radius 100M, if one antenna detects signal interruption or interference the receiver immediately switches to the second antenna so you get a seamless, uninterrupted signal.

With virtually no chance of dropout or interruption, the Radius 100M delivers extremely stable and reliable wireless signal so you can perform on any stage in confidence and focus fully on your music; the way it should be.

Wireless Guitar System

Possibly the best wireless guitar system in this price range, the Alto Professional Radius 100M works great with any instrument that you can connect via a standard 1/4” instrument cable.

Connect your instrument with the included audio cable to the Belt-Pack Transmitter which you wear on your person and you can enjoy full freedom while performing.

Using a wireless system for instruments allows you to have a lot more options on your stage and performance which are usually dictated by the logistics of cabling and other physical limitations.

When using the Radius 100M as a wireless system for guitar for example, you can deliver exactly the performance that your creativity and expression demands.

Everything You Need to Perform Wirelessly

When you purchase the Alto Pro Radius 100M it comes with everything you need to connect your instrument and begin performing wireless straight out of the box.

You get the Radius 100M receiver, the wireless Belt-Pack Transmitter, all the cables you’ll need, a power adapter and 2 AA batteries. It even comes with all the parts you’d need for easily rackmounting the receiver.

The Radius 100M is also very easy to set up and start using. Just set up the receiver then power up your Belt-Pack Transmitter and sync the two – sorted!

Professional UHF Diversity Instrument Wireless System

With its dual antenna, switching diversity receiver configuration and rackmount ready design, the Radius 100M a great, professional wireless instrument system that is perfect for the serious performer.

Easy to set up and delivering consistent, reliable performance – the Radius 100M wireless system allows you to focus solely on your performance and allows you and your audience to enjoy uninterrupted, great quality audio transmitting.

Alto Professional Radius 100M Wireless Instrument System Key Features:

  • All-In-One, Easy-To-Use System
  • Dual-Antenna UHF Diversity Receiver for Increased Reliability and Signal Consistency
  • UHF Band Operation (520 – 937.5MHz) Regionally Selected
  • Receiver has High-Visibility Back-Lit Display
  • Wireless Belt-Pack Transmitter and 1/4-Inch Instrument Cable
  • Single-Button Scan Feature Quickly Identifies Optimal Operating Frequency
  • Sync Function Automatically Synchronises Transmitter and Receiver
  • Squelch Control for Maximum Clarity and Dynamic Range
  • Front-Panel Rotary Volume Control
  • Balanced XLR and Unbalanced 1/4-inch Mic or Line-Level Outputs
  • Alto Professional Radius 100M Wireless Instrument System Includes:
  • Radius 100 Receiver
  • Radius BPT Wireless Belt-Pack Transmitter
  • Rackmount and Coupling Brackets (Screws Included)
  • 1/4" (6.35mm) Instrument Adapter Cable
  • 1/4" (6.35mm) Unbalanced Audio Cable (3 Feet/1 Metre)
  • Power Adapter
  • 2 x AA Batteries
  • User Guide
  • Safety & Warranty Manual

Radius 100 Receiver Specs:

  • UHF Band Operation: 520–937.5 MHz (region-specific)
  • Oscillator: PLL Synthesized
  • Frequency Stability: ±0.005%
  • Modulation: FM
  • Transmission Range: 328 feet / 100 meters
  • Signal-to-Noise Ratio: > 100 dB (at 20 KHz deviation and 60 dBV antenna input
  • Image & Spurious Rejection: 80 dB minimum
  • Receiving Sensitivity: At 3 uV over 52 dB/A SNR
  • Selectivity: > 50 dB
  • AF Response: 80 Hz – 18 KHz
  • THD: < 1% (at 1 KHz)
  • IF Frequency 1st: 243.95 MHz / 2nd: 10.7 MHz
  • Dynamic Range: > 100 dB
  • Tone Signal: 32.768 KHz
  • Audio Output: 1 balanced XLR, 1 unbalanced 1/4” (6.35mm)
  • Display: High-visibility back-lit LCD with RF and AF meters
  • Power Supply: 12 V, 1 A, center positive (adapter included)
  • Consumption: 150 mA ±10 mA
  • Case: Half 19” EIA-rack plastic case
  • Dimensions (width x depth x height) 7.9” x 4.8” x 1.7”/20.0 cm x 12.2 cm x 4.2 cm
  • Weight 2.1 lbs. / 1.0 kg

Belt-Pack Transmitter Specs:

  • UHF Band Operation: 520–937.5 MHz (region-specific)
  • Channel Selection: Synchronization with receiver
  • RF Power Output: 10 mW (maximum)
  • Oscillator: PLL Synthesized
  • Frequency Stability: ±0.005%
  • Deviation: ±20 KHz with limiting compressor
  • Spurious Emission: > 60 dB below carrier frequency
  • THD: < 1% (at 1 KHz)
  • Tone Signal: 32.768 KHz
  • Display: 2-digit 7-segment LCD
  • Power: 3 VDC (1.5V via 2 AA batteries), Consumption: 120 mA ±10 mA
  • Dimensions: 2.6” x 3.8” x 0.9” / 6.5 cm x 9.7 cm x 2.4 cm
  • Weight: 0.2 lbs. / 0.1 kg



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