... all fixed code receivers widely used Feature:Model No.: 0021036 (TB-03)Size: 41mm x 20mm x 10mmWorking Voltage: DC 3 ... can choose oneOscillation resistor / Timing resistor: We can offer 1.2M, 1.5M, 1.8M, 2.2M, 3.3M or 4.7M, you ... and so on.Applied to all fixed code receivers with 1, 2, 3, 4, 6, 8, 10, 12, 15 channelsIntroduction of ... ~12V 15~45mA 315/433 MHz RF Wireless Transmitter Module: TB-02