Bosch TR-240 A4F-NA Tr-240 Beltpack A4F Headset Jack None

The TR-240-A4F-NA from Bosch is a Tr-240 Beltpack, A4F Headset Jack. 2.4 GHz wireless intercom beltpack. The RTS BTR-240 is a digital, multi-channel, wireless intercom system offering reliable and secure, full-duplex communications supporting up to eight (8) wireless TR-240 beltpacks and an almost unlimited number or half-duplex beltpacks. Operating in the 2.4GHz 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 the intelligence called ClearScan, which automatically selects the optimal RF (Radio Frequency) channel for communication. License Free 2.4GHz, IEEE 802.11b WLAN technology Expand coverage using BTR-24 access points Multi-level security and audio encryption 2-wire