The HopeRF CMT2110A is a low-cost OOK RF transmitter operating from 240–480 MHz, with programmable frequency, output power (–10 to +13 dBm), and data rates from 0.5–30 kbps. Featuring ultra-low sleep current (<20 nA), 12.4 mA operating current at +10 dBm, and a simple 1-wire MCU interface, it comes in a compact SOT23-6 package. FCC/ETSI compliant, it is ideal for low-power wireless applications.