433Mhz Universal Radio Receiver Relay Remote Control Switch DC 12V 4CH Relay Receiver Module+RF Remote Controller Transmitters Internet & Media Streamers performance is much better than

performance is much better than eight-core A7 processor

4G Band Details 2G:GSM 900/1800/1900MHz 3G:WCDMA 850/900/1900/2100MHz 4G:FDD-LTE B1:2100/B3:1800/B5:850/B7:2600 Data Transfer GPRS

greater than 100V display as: 199V

or USB port power supply (5V DC adapter or USB from PC)

two wheels with only one UNO board is easier to assemble

433Mhz Universal Radio Receiver Relay Remote Control Switch DC 12V 4CH Relay Receiver Module+RF Remote Controller Transmitters Internet & Media Streamers performance is much better thanEA0004855 Specifications: 1. Input Power: DC12V 2. RF Frequency: 433Mhz 3. Standby Current: 5mA 4. Match Mode1527 code 5. Receiver sensitivity: 104dbm 6. Remote Distance: 50 80m 7. Operation mode: Momentary Mode,Toggle Mode,Toggle Mode 8. Output : NO , NC , COM 9. Modulation mode: ASK 10. Working temperature: 15 ~ +75C Instruction: Clearing All Stored Transmitters: Push the learning button on the receiver 8 times , and the codes will be cleared .