Perhaps you could build a small Faraday box for you sdr antenna and door opener to be in. Or reduce the range of the sdr antenna
#rtl_433 --help will give you the list.
Supported device protocols:
[01]* Silvercrest Remote Control
[02] Rubicson Temperature Sensor
[03] Prologue Temperature Sensor
[04] Waveman Switch Transmitter
[05]* Steffen Switch Transmitter
[06]* ELV EM 1000
[07]* ELV WS 2000
[08] LaCrosse TX Temperature / Humidity Sensor
[09]* Template decoder
[10]* Acurite 896 Rain Gauge
[11] Acurite 609TXC Temperature and Humidity Sensor
[12] Oregon Scientific Weather Sensor
[13]* Mebus 433
[14]* Intertechno 433
[15] KlikAanKlikUit Wireless Switch
[16] AlectoV1 Weather Sensor (Alecto WS3500 WS4500 Ventus W155/W044 Oregon)
[17]* Cardin S466-TX2
[18] Fine Offset Electronics, WH-2 Sensor
[19] Nexus Temperature & Humidity Sensor
[20] Ambient Weather Temperature Sensor
[21] Calibeur RF-104 Sensor
[22]* X10 RF
[23]* DSC Security Contact
[24]* Brennenstuhl RCS 2044
[25]* GT-WT-02 Sensor
[26] Danfoss CFR Thermostat
[27]* Energy Count 3000 (868.3 MHz)
[28]* Valeo Car Key
[29] Chuango Security Technology
[30] Generic Remote SC226x EV1527
[31] TFA-Twin-Plus-30.3049 and Ea2 BL999
[32] Fine Offset WH1080 Weather Station
[33] WT450
[34] LaCrosse WS-2310 Weather Station
[35] Esperanza EWS
[36]* Efergy e2 classic
[37]* Inovalley kw9015b rain and Temperature weather station
[38] Generic temperature sensor 1
[39]* Acurite 592TXR Temp/Humidity, 5n1 Weather Station, 6045 Lightning
[40]* Acurite 986 Refrigerator / Freezer Thermometer
[41] HIDEKI TS04 Temperature, Humidity, Wind and Rain Sensor
[42] Watchman Sonic / Apollo Ultrasonic / Beckett Rocket oil tank monitor
[43] CurrentCost Current Sensor
[44] emonTx OpenEnergyMonitor
[45] HT680 Remote control
[46] S3318P Temperature & Humidity Sensor
[47] Akhan 100F14 remote keyless entry
[48] Quhwa
[49] OSv1 Temperature Sensor
[50] Proove
[51] Bresser Thermo-/Hygro-Sensor 3CH
[52] Springfield Temperature and Soil Moisture
[53] Oregon Scientific SL109H Remote Thermal Hygro Sensor
[54] Acurite 606TX Temperature Sensor
[55] TFA pool temperature sensor
[56] Kedsum Temperature & Humidity Sensor
[57] blyss DC5-UK-WH (433.92 MHz)
[58] Steelmate TPMS
[59] Schraeder TPMS
[60]* LightwaveRF
[61] Elro DB286A Doorbell
[62] Efergy Optical
[63] Honda Car Key
[64]* Template decoder
[65] Fine Offset Electronics, XC0400
[66] Radiohead ASK
[67] Kerui PIR Sensor
[68] Fine Offset WH1050 Weather Station
[69] Honeywell Door/Window Sensor
[70] Maverick ET-732/733 BBQ Sensor
[71]* RF-tech
[72] LaCrosse TX141TH-Bv2 sensor
[73] Acurite 00275rm,00276rm Temp/Humidity with optional probe