2pcs Wireless RF Transceiver Module 433Mhz CC1101 CC1100 RF1100SE Antenna 100% brand new and high quality Very low power UHF wireless transceiver, 315 / 433 / 868 / 915MHz ISM / SRD band system Programmable control of output power, up to +10 dBm. High sensitivity (1.2Kbps under-110dBm, 1% packet error rate) Maximum rate of 500kbps, support for 2-FSK, GFSK and MSK modulation.