The main parameters: Protocol: Compatible with IEEE802.15.4, Zigbee, RF4CE Working frequency: 2400MHz ~ 2483.5MHz Operating voltage: 1.8V /2.0~3.6V (Max3.6V) contains a voltage detection sensitivity: -99dBm @ 250Kbps transmit power range: - 20 ~ + 9.6dBm data rate: 250kbps, 31.25K ~ 1M Tx operating current: 25 mA @ 0dBm, 43mA @ + 9.6dBm Rx Operating Current: 25 mA Sleep current: <1uA Modulation: O-QPSK + DSSS adjacent channel suppression : 30 dB between rejection: 50 dB IR modulator: There RSSI function: digital RSSI MCU: 8051 Flash memory: 64Kb Data memory: 6Kb FIFO buffer: 256 (Tx) +256 (Rx) Byte speech coding: u-law / a -law / ADPCM format automatic codec Power mode: 4 PWM channels: 5 with AES-128 encryption and decryption engine, automatic CRC-16 calculation, checksum built-VCO / LNA / PA ISP online system programmed external clock output, selectable 500KHz, 1 / 2/4/8/16 / 32M 32M crystal 128B CPU system with 4-channel 12 dedicated register ADC sleep timer 32kHz RC oscillator external Rx / Tx high-frequency switching, no external filters built-in VCO / LNA / PA UART, 12C , SPI, GPIO, 12S Working temperature: -40- + 85 ℃; please call the product specific core technology with us, thank you!