Item Specifications Frequency 2402 ~ 2480MHz Modulation FHSS/GFSK, π/4 DPSK, 8 DPSK Channel intervals 1MHz Number of channels 79CH Power suppIy voltage 2.8V~3.4V Current consumption 50mA typ. Transmission rate 2178kbps Receive sensitivity -82dBm typ. Output level(Class2) +4dBm max. Dimensions Without an antenna 11.8(W) 12.6(L) 1.9(H)mm With an antenna 11.8(W) 17.6(L) 1.9(H)mm