Remote Control AVIDSEN (103107)

ON OFF 
A 265353 265349 
B 266325 266321 
C 266649 266645 
D 266757 266753 
E 266793 266789

period 150

Remote Control CHACON (EMW200RC)

ON OFF
1 164023 164022 
2 172771 172770 
3 175687 175686 
4 176659 176658 

period 360

(Note: you may have to try different period intervals, only this worked for me, and it is different from what i get in show_received_code program from RemoteSwitch Library)


How control remote outlets with Arduino ?

  1. Get an RF 433Mhz transmitter module
  2. Install RemoteSwitch library
  3. Connect module to PIN 4
  4. Upload program with the right codes

#include <RemoteSwitch.h>

#define OUTLET_A_ON 265353
#define OUTLET_A_OFF 265349
#define PERIOD 150;
#define RF_TX_PIN 4

void setup() {
    Serial.begin(9600);
}

void loop() {
    Serial.println("Sending off");
    transmit(OUTLET_A_OFF);
    delay(5000);

    Serial.println("Sending on");
    transmit(OUTLET_A_ON);
    delay(5000);
}

void transmit(unsigned long rcode){
    unsigned long code = rcode;
    unsigned long period = PERIOD;
    code |= (unsigned long)period << 23;
    code |= 3L << 20;
    RemoteSwitch::sendTelegram(code, RF_TX_PIN); // RF transmitter pin
}