The TDA5200/5211 are low-power ASK/FSK wireless receivers operating in the 315/434/868MHz ISM bands.
RF Frequency Ranges: 433 to 435MHz, 868 to 870MHz (TDA5200), 310 to 350MHz (TDA5211) Receiver Sensitivity: -105dBm @ 4000bps ASK Modulation: ASK (TDA5200), FSK or ASK pin-selectable (TDA5211) OTA Data Rate: up to 100kbps Analogue RSSI Power-down mode Power supply: +4.5 to +5.5Vdc Operating temperature range: -40 to +85°C (TDA5200), -40 to +105°C (TDA5211) Applications: Wireless remote control, Alarm systems, Keyless entry systems