In looking for the Honeywell doorbell, model RCWL330A, FCC ID HS9-51459SL, which should be at 916.8MHz I found my gas meter (rtl_433 device 149). The output looks like:
time : 2020-04-02 14:04:27
model : ERT-SCM Id : 5458xxxx
Physical Tamper: 3 ERT Type : 24 Encoder Tamper: 0 Consumption Data: 525682
Integrity : CRC
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time : 2020-04-02 14:05:02
model : ERT-SCM Id : 5600xxxx
Physical Tamper: 0 ERT Type : 8 Encoder Tamper: 0 Consumption Data: 208204
Integrity : CRC
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time : 2020-04-02 14:07:28
model : ERT-SCM Id : 5458xxxx
Physical Tamper: 3 ERT Type : 24 Encoder Tamper: 0 Consumption Data: 525682
Integrity : CRC
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
time : 2020-04-02 14:07:55
model : ERT-SCM Id : 5458xxxx
Physical Tamper: 3 ERT Type : 24 Encoder Tamper: 0 Consumption Data: 525682
Integrity : CRC
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _I’ve modified the Id field to but this above shows both my meter and the neighbors. A quick check of wikipedia gives a few more details on the data. Github also has a project targeting these meters – rtlamr. Grid Insite has more detail on the technology and history of these meters.
Now, back to the doorbell. I was hoping this might be a built in device for rtl_433 but further searching reveals it might be different from the predefined devices 115 & 116. Strangley I see nothing from the doorbell but is still rings. Further testing obviously needed.