• Low costing, high performance and price ratio
• Tuning free during production
• PLL and zero IF technology
• Fast PLL lock time
• High resolution PLL with 2.5kHz step
• High data rate (up to 115.2kbps with internal demodulator)
• Differential antenna input
• Automatic antenna tuning
• Programmable TX frequency deviation (15 to 240kHz)
• programmable receiver bandwidth (67 to 400kHz)
• Analog and digital signal strength indicator (ARSSI/DRSSI)
• AFC
• DQD
• Internal data filtering and clock recovery
• RX synchronous pattern recognition
• SPI interface
• Clock and reset signal output for external MCU use
• 16-bit RX data FIFO
• Two 8-bit TX data registers
• 10MHz crystal for PLL timing
• Wake-up timer
• 2.2 to 5.4V power supply
• Low power consumption
• Stand by current less than 0.3 μA