The TDK5100/5110 are low-power ASK/FSK wireless transmitters operating in the 434/868MHz ISM bands., RF Frequency Ranges: 433 to 435MHz, 868 to 870MHz, ISM band. RF Output Power: up to +5dBm (TDK5100), up to +10dBm (TDK5110). Modulation: FSK, ASK. OTA Dat