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The Telex RTS BTR-240 is a 2.4 GHz wireless base station for WLAN based telecom systems.

The RTS BTR-240 is a digital, multi-channel, wireless intercom system offering reliable and secure, full-duplex communication with up to 8 wireless TR-240 beltpacks and almost an unlimited number of half-duplex beltpacks.

Operating in the 2.4 GHz frequency band, the BTR-240 system uses the widely adopted IEEE 802.11 technology and is approved for license free use in most countries. The system also incorporates ClearScan intelligence which will automatically select the optimal radio frequency (RF) channel for communication.

The RTS BTR-240 has the ability to configure multi-level 802.11 wireless security features, such as packet encryption and MAC address filtering, as well as 64-bit audio encryption to provide a highly secure wireless intercom system. The BTR-240 offers two audio channel operation, allowing users to select between two individual audio channels of communication. The system permits users to talk and listen, or listen only, to any individual audio channel or both channels simultaneously.

The BTR-240 is perfectly suited for stand-alone operation and can also interface with two-wire intercom systems including RTS, Audiocom (Telex), and Clear-Com1, as well as four-wire intercom systems such as the RTS Matrix.

The BTR-240 allows both the two-wire and four-wire intercoms to be used simultaneously. In addition to the external intercom interfaces, the BTR-240 also provides connectivity for auxiliary balanced audio input and output, and speaker output.

The TR-240 beltpacks have the ability to be configured in one of three operating modes: wireless, wired or master wireless. In wireless (normal) mode, beltpacks communicate to each other using the base station as a relay. In wired mode, beltpacks turn off their wireless ability and communicate via an Ethernet cable or through a building's existing Ethernet infrastructure. In master wireless mode, a beltpack itself acts as a mobile access point to provide wireless coverage for other beltpacks to communicate without an actual BTR-240 base station.

The TR-240 beltpack has a removable Li-Ion battery pack that will provide up to 8 hours of uninterrupted operation. The battery pack can be charged directly in the case by plugging a power adapter into the beltpack or by placing the battery in the CHG-240 four-bay charger.


  • License Free 2.4GHz, IEEE 802.11b WLAN technology
  • Expand coverage using BTR-24 access points
  • Multi-level security and audio encryption
  • 2-wire and 4-wire intercom interface
  • ClearScan channel selection
  • Auto-select Electret or Dynamic microphone
  • Choice of two (2) independent or simultaneous audio channels
  • TR-240 beltpacks operate wired or wireless
  • Eight (8) full-duplex beltpacks with virtually unlimited number of half-duplex beltpacks
  • TR-240 beltpacks can operate as an access point
  • Multiple antenna options and accessories
  • Durable ABS construction
  • Easy-to-read LCD indicates system status
  • Removable Li-Ion batteries with wide temperature range and up to eight (8) hours of operation.
  • Specifications

  • Channels : 2 CH
  • FCC License Requirements : None
  • Frequency Band of Operation : 2.4 GHz 802.11b WLAN
  • Height : 1.77" (45 mm)
  • Length : 7.52" (191 mm)
  • Weight : 3.48 lbs (1.58 kg)
  • Width : 19.02" (483 mm)
  • Reviews


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