RFM43-433-S1 Miniature RF transmiter 13dBm 433MHz FSK, OOK SMD  RoHS
Producator: HOPE MICROELECTRONICS Simbol original: RFM43-433-S1

Frequency Range = 240 ~ 930 MHz
Output Power Range: -8 to +13 dBm (RFM43)
Low Power Consumption: (RFM43): 28 mA @ +13 dBm, 16 mA @ +1 dBm
Data Rate = 1 to 128 kbps
Power Supply = 1.8 to 3.6 V
Ultra low power shutdown mode
Digital RSSI
Wake-up timer Integrated 32 kHz RC or 32 kHz XTAL
Configurable packet structure
TX 64 byte FIFOs
Low battery detector
Temperature sensor and 8-bit ADC
-40 to +85C temperature range
Integrated voltage regulators
Frequency hopping capability
FSK, GFSK, and OOK modulation
Low BOM
Power-on-reset (POR)

http://www.hoperf.com/rf_fsk/rfm43.htm