Commander ZBR | Secondary Communication Handset for BOS Radios

The Commander ZBR (Zweitbesprechung R) is a specialized secondary communication handset designed for BOS radio systems. It features an integrated amplifier, volume control, push-to-talk (PTT) functionality, and tone call buttons for effective communication in dispatch and emergency service environments.

Key Features:

• Push-to-Talk Function – The transmitter is activated by pressing the send button inside the handset.
• Integrated Speaker and Microphone – Allows clear communication in demanding environments.
• Adjustable Volume Control – The built-in potentiometer on the base allows easy volume adjustments.
• LED Indicators –
  • Yellow LED – Indicates when the radio is powered on.
  • Red LED – Lights up when the receiver detects a carrier signal.
  • Green LED – Indicates when transmission is active.
• Built-in Tone Call Generator – Supports two-tone signaling:
  • Tone 1: 1750 Hz
  • Tone 2: 2135 Hz
• Parallel Operation Capability – Multiple Commander ZBR units can be connected in parallel.
• Configurable Audio and TX Settings – Microphone and speaker levels can be adjusted using onboard potentiometers.
• Hook & Squelch Function – Can be configured for either squelch control or hook signaling using jumpers.

Connection & Integration:

The Commander ZBR connects via a 10-pin terminal block inside the base unit. Available configurations include:

• Power Supply (+12V DC)
• Push-to-Talk (PTT) Activation
• Audio Input/Output for Speaker and Microphone
• Squelch or Hook Function
• Ground (GND)

Why Choose the Commander ZBR?

• Optimized for professional BOS radio communication.
• Compact and ergonomic design for ease of use.
• Integrated amplifier ensures clear and powerful audio output.
• Adjustable audio levels and configurable squelch function for flexibility.

Applications:

• 🔹 Emergency Services – Fire, Police, and Medical dispatch communications.
• 🔹 Public Safety – Security teams, disaster response, and government agencies.
• 🔹 Transportation – Railway, aviation, and maritime communication hubs.
• 🔹 Industrial & Utility Operations – Power plants, oil & gas, and critical infrastructure.