... application 5.TTL interface JZ861 low cost RF data Module1. FSK, Within the visual range, the reliable transmission distance can ... sleeping current <1uA.2. Modulation mode and Frequency Modulation mode: FSK, Frequency: 433mhz. Also, capable of 315mhz, 868mhz and 915mhz.3 ... of our modules. Low Cost RF data Module JZ861 FSK,TTL/wireless queue system/vote system/car controller wireless broadcasting ...