Listen Technologies LR-500-216 Portable Programmable Display RF Receiver, 216 MHz

Combining powerful, crystal-clear audio performance with the ability to program each unit, the LR-500-216 Portable Programmable Display Receiver is a top-of-the-line solution for your assistive listening system. Our signature Look & Listen (TM) LCD display gives you and your users a quick, easy way to check the programming status, channel selection, battery level, signal strength, and more. And Listen Technologies SmartCharge (TM) system built into each unit helps to prevent overcharging (when used with NiMH rechargeable AA batteries).

Easy to use and easy to program, the LR-500 offers you a high-performance 216 MHz receiver option for meeting the needs of your visitors or customers.

Architectural Specs
The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The receiver shall have a SNR of 80 dB or greater. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ' +/- 3 dB at 72 MHz and 50 - 10 kHz (' +/-3dB) at 216 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally.

The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-500-072 or LR-500-216 is specified.