... 3, working temperature:-25C-65C 4, receiver sensitivity:-100 dbm Two channel rolling code controller KST-RKX0201.the main ... current: ≤ 3mA 3, working temperature:-25C-65C 4, receiver sensitivity:-100dBm 5, operating frequency: 315MHZ 6 ... ) to be removed of learn control before.4..he receiver module can recognize maximum 2 remote ... two unlock,one lock and 4 channel rolling code receiver with relays