Clear-com BS-121 Base Station for DX121 Intercom

Clear-com BS-121

Clear-com BS-121 DX121 Intercom Base Station

Product Code: BS-121
Clear-Com BS-121

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• 2.4GHz license-free operation
• 1 full-duplex and 3 additional push-to-transmit beltpacks
• Up to 8 systems can be linked together
• Interface option available to 4-wire intercom systems only
• Portable, compact design
• Built-in battery charger

Clear-com BS-121 Base Station for HME DX121 Intercom

Clear-com BS121 is compatible with the DX121 digital wireless system.


• Headset Connector Connectivity: can be connected to most hardwired intercom headset jacks for instant wireless communication.

• Four-Wire Connectivity: interfaces to four-wire/matrix intercoms and radio based communication systems. Assignable relay closure for advanced functionality.

• Built-In Battery Charger: One-port battery charger charges a remote Communicator® battery in under three hours

• Spectrum Friendly™: Frequency Range can be selected for low band only (2401.92 - 2439.936 MHz) high band only (2443.392 - 2481.408 MHz) or full band (2400-2483.5 MHz).

• Digital Frequency-Hopping, Spread Spectrum (FHSS): Encryption Technology ensures confidential communication. Approved for worldwide use.

• Assignable Relay Closure: Provides advanced functionality when used with matrix intercoms or radio based communication systems.

• Expandable:Compatible with the entire HME DX 200 and 100 series of digital wireless intercom products.

• Four-Wire I/O Connection: 600 Ω balanced, level adjustable.

• Headset I/O Connection: 200 Ω, level adjustable for interfacing to a Dynamic MIC headset connector.

Frequency Range: 2400-2483.5MHz

Frequency Response: 200Hz to 3.5kHz

Power Requirements: 100–240V AC, 50-60Hz or 12-14V DC

Temperature Range: -4-131°F (-20-55°C) Typ.

Size: 1.62 x 5.50 x 7.88in (4.1 x 14 x 20cm)

Weight: 1.2lbs (0.59kg) with battery

4-Wire I/O: 600 O balanced, level adjustment

Headset I/O: 200 O balanced, level adjustment

Antenna Type: External, dual diversity ½-wave dipole (R-TNC connector)

System Distortion: <2%

Communication Security: 64-bit encryption dual slot diversity

Transmission Modes: Continuous (Latched) or Push-to-Talk (PTT)

Transmitter Specifications

Type: Frequency-Hopping, Spread Spectrum (FHSS)

Transmit Power: 100mw Burst

Modulation Type: Gaussian filtered FSK, TDM

Frequency Stability: 13 ppm

Harmonics/Spurious: Exceeds FCC and ETSI specifications over temperature

Receiver Specifications

Type: Frequency-Hopping, Spread Spectrum (FHSS)

RF Sensitivity: <-90dBm w 10-3 BER

Frequency Stability: 13 ppm

Distortion: 2%

FCC License: Not Required

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