| Frequency Sensitivity Data Rate (Max) Modulation or Protocol Applications Current - Receiving Data Interface Memory Size Antenna Connector Features Voltage - Supply Operating Temperature Package / Case | 300MHz ~ 450MHz -114dBm 33 kbps ASK Garage Openers, ISM, RKE, Security Alarms 7.2mA PCB, Surface Mount - PCB, Surface Mount - 4.5 V ~ 5.5 V -40°C ~ 125°C 28-TSSOP (0.173, 4.40mm Width) 28-TSSOP |