RTS BP-351 A5F
2-Channel Portable Beltpack with A5F Headphone Connector

OUR PART #  BP351/A5F


RTS' BP-351 is a portable user station for use with RTS™ Two-Wire intercom systems.  The BP-351 is a microprocessor controlled two-channel select intercom belt pack. The BP-351 has a connection for headset/earset microphones (Dynamic or Electret).  The factory setting is for Dynamic.

Features:

  • Call function that allows the user to send or receive call signals to other devices on the intercom channel, including audible call alert on the listen side.
  • Microprocessor-controlled microphone kill detect.
  • Powered externally, via the intercom system power supply on channel one.
  • Headset 4-pin XLR connection
  • A built-in auto-sensing headset connector determines automatically whether a dynamic or electret headset is connected to the system.

Specifications:

  • Channel Supplied Power Requirements: 30 VDC nominal (standard RTS line), 45 to 70 mA
  • Environmental Requirements:
    Storage: -20°C to 80°C; 0% to 95% humidity, noncondensing
    Operating: 0°C to 50°C; 0% to 95% humidity, noncondensing
  • Dimensions: 5" (127 mm) high, 3.5" (88.9 mm) wide, 1.8" (45.7 mm) deep
  • Weight: Approximately 13 oz (364 g)

Interface Requirements:

  • Headset/Earset:
    50 to 200 ohm dynamic microphone
    50 to 600 ohm headphones
  • RTS Intercom Channel:
    Output Level: 0.775 Vrms (0 dBu) nominal
    Bridging Impedance: greater than 10,000 ohms
  • Call Signalling:
    Send: 20 kHz ±100 Hz, 240 mVrms ±10%
    Receive: 20 kHz ±800 Hz, 100 mVrms
    Mic-Off Frequency Detect: 24 kHz ±800 Hz, 100 mVrms
    Noise Contribution: less than -60 dB on the line

Headphone Amplifier:

  • Maximum Output: 60 mW into 150 ohms
  • Frequency Response: 200 Hz to 8 kHz +1/-4dB nominal
  • Audible Alert: 1 kHz tone
  • Total Harmonic Distortion: Less than 0.2% nominal at 50 mW from the line
  • Sidetone: 20 dB minimum range, adjustable

Connector Pin Configurations:

  • Intercom Channel Connector
    Pin 1 Headset Microphone low
    Pin 2 Headset Microphone high
    Pin 3 Headphone Low
    Pin 4 Headphone High
    Pin 5 No Connection
Noise-Reduction Headset, A5M Connector
Telex HR2R5-300534-002 Noise-Reduction Headset, A5M Connector
The HR-2 is a dual-sided, medium-weight passive noise reduction headset with dynamic noise canceling microphone. the headset has a noise reduction rating of 21 dB; suitable for use in a moderately noisy environment. The ergonomic headband ...
Single Headset w/Mic 64438103, A5M 5-pin RTS connector
Telex PH1R5 Single Headset w/Mic 64438103, A5M 5-pin RTS connector
Medium-weight single muff headset with foam filled cushions offers a light feel with moderate isolation from ambient noise. Dynamic noise canceling mic is easily positioned with unique continuously adjustable ball joint.
Single-sided Lightweight Headset, A5M Connector
Telex PH88R5 Single-sided Lightweight Headset, A5M Connector
Super light-weight single muff headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin covering for better fit, isolation and ...
Lightweight Dual-sided Headset, Binaural, A5M Connector
Telex PH44R5-300853-501 Lightweight Dual-sided Headset, Binaural, A5M Connector
Binaural version of the PH44. Super light-weight dual muff mono headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin ...

Usually ships in 7-14 business days.
Need it sooner? Call us!
25 Ft XLR Intercom Cable in Black
Telex ME-25 25 Ft XLR Intercom Cable in Black
The Telex ME-25 is a 25 ft (7.6 m) Super-Flex cable with Male and Female 3-pin XLR connectors.

Usually ships in 7-14 business days.
Need it sooner? Call us!

RTS BP-351 A5F
2-Channel Portable Beltpack with A5F Headphone Connector

OUR PART #  BP351/A5F

Product Information:

RTS' BP-351 is a portable user station for use with RTS™ Two-Wire intercom systems.  The BP-351 is a microprocessor controlled two-channel select intercom belt pack. The BP-351 has a connection for headset/earset microphones (Dynamic or Electret).  The factory setting is for Dynamic.

Features:

  • Call function that allows the user to send or receive call signals to other devices on the intercom channel, including audible call alert on the listen side.
  • Microprocessor-controlled microphone kill detect.
  • Powered externally, via the intercom system power supply on channel one.
  • Headset 4-pin XLR connection
  • A built-in auto-sensing headset connector determines automatically whether a dynamic or electret headset is connected to the system.

Specifications:

  • Channel Supplied Power Requirements: 30 VDC nominal (standard RTS line), 45 to 70 mA
  • Environmental Requirements:
    Storage: -20°C to 80°C; 0% to 95% humidity, noncondensing
    Operating: 0°C to 50°C; 0% to 95% humidity, noncondensing
  • Dimensions: 5" (127 mm) high, 3.5" (88.9 mm) wide, 1.8" (45.7 mm) deep
  • Weight: Approximately 13 oz (364 g)

Interface Requirements:

  • Headset/Earset:
    50 to 200 ohm dynamic microphone
    50 to 600 ohm headphones
  • RTS Intercom Channel:
    Output Level: 0.775 Vrms (0 dBu) nominal
    Bridging Impedance: greater than 10,000 ohms
  • Call Signalling:
    Send: 20 kHz ±100 Hz, 240 mVrms ±10%
    Receive: 20 kHz ±800 Hz, 100 mVrms
    Mic-Off Frequency Detect: 24 kHz ±800 Hz, 100 mVrms
    Noise Contribution: less than -60 dB on the line

Headphone Amplifier:

  • Maximum Output: 60 mW into 150 ohms
  • Frequency Response: 200 Hz to 8 kHz +1/-4dB nominal
  • Audible Alert: 1 kHz tone
  • Total Harmonic Distortion: Less than 0.2% nominal at 50 mW from the line
  • Sidetone: 20 dB minimum range, adjustable

Connector Pin Configurations:

  • Intercom Channel Connector
    Pin 1 Headset Microphone low
    Pin 2 Headset Microphone high
    Pin 3 Headphone Low
    Pin 4 Headphone High
    Pin 5 No Connection
Noise-Reduction Headset, A5M Connector
Telex HR2R5-300534-002 Noise-Reduction Headset, A5M Connector
The HR-2 is a dual-sided, medium-weight passive noise reduction headset with dynamic noise canceling microphone. the headset has a noise reduction rating of 21 dB; suitable for use in a moderately noisy environment. The ergonomic headband ...
Single Headset w/Mic 64438103, A5M 5-pin RTS connector
Telex PH1R5 Single Headset w/Mic 64438103, A5M 5-pin RTS connector
Medium-weight single muff headset with foam filled cushions offers a light feel with moderate isolation from ambient noise. Dynamic noise canceling mic is easily positioned with unique continuously adjustable ball joint.
Single-sided Lightweight Headset, A5M Connector
Telex PH88R5 Single-sided Lightweight Headset, A5M Connector
Super light-weight single muff headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin covering for better fit, isolation and ...
Lightweight Dual-sided Headset, Binaural, A5M Connector
Telex PH44R5-300853-501 Lightweight Dual-sided Headset, Binaural, A5M Connector
Binaural version of the PH44. Super light-weight dual muff mono headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin ...

Usually ships in 7-14 business days.
Need it sooner? Call us!
25 Ft XLR Intercom Cable in Black
Telex ME-25 25 Ft XLR Intercom Cable in Black
The Telex ME-25 is a 25 ft (7.6 m) Super-Flex cable with Male and Female 3-pin XLR connectors.

Usually ships in 7-14 business days.
Need it sooner? Call us!
Add to Cart

We're sorry, only of this item available



Call a Sales Pro at for more information

Serving Contractors, Dealers, and Installers Since 1977

Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM