Amazon Echo (4th Gen)
From Wiki-IoT
Classification
| Amazon Echo (4th Gen) | |
|---|---|
| Classification | |
| Grade | A |
| Calculator version | [[:Category:Calculator v|]] |
| Classification date | |
| Information | |
| Name | Amazon Echo (4th Gen) |
| Brand by Parent | Amazon by Amazon |
| Generation | 4 |
| Model(s) | Echo (4th Gen) |
| Release date | 2020-10-22 |
| Type/Category | Smart speaker |
| Website | [1] |
| Status | In sale |
| More | |
| Dimensions | Approx 5.7 inches (diameter) – approximate due to official dimension specs not always repeated in marketing pages |
| Mass | Approx 1.75 lb (0.79 kg) – approximate |
| Operating system | Custom Amazon firmware (Alexa OS) on Echo hardware |
| Companion App | Alexa app (iOS/Android) |
| CPU | AZ1 Neural Edge SoC (quad-core ARM-based CPU; on-device AI processing) |
| GPU | Not publicly disclosed; no discrete GPU documented |
| Memory | ~1.5 GB RAM (approximate; not officially published) |
| Storage | ~8 GB flash storage (typical for Echo devices) |
| Battery | None (AC-powered device) |
| Power | External AC adapter (typical low-wattage power draw; exact specs not widely published) |
| Charging | N/A (not a rechargeable battery device) |
| Display | None |
| Camera | None |
| Sound | 3.0" woofer + two 0.8" tweeters (stereo-like arrangement) |
| Connectivity | Wi‑Fi (2.4/5 GHz, 802.11 a/b/g/n/ac), Bluetooth, Zigbee built-in hub |
| Device | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Known hardware tampering | Rare | [] | |
| Known vulnerabilities | None | [] | |
| Prior attacks | None | [] | |
| Updatability | Very common | [] | |
| Category score | 2 | ||
| System | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Authentication with other systems | Full | [] | |
| Communications | Encrypted with up-to-date encryption | [] | use tls |
| Storage | Encrypted with up-to-date encryption | [] | |
| Category score | 1 | ||
| User Authentication | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Account management | Full | [] | |
| Authentication | Secure | [] | |
| Brute-force protection | Exist | [] | |
| Event logging | Access event logged | [] | |
| Passwords | Require change after setup with complexity requirements | [] | |
| Category score | 1 | ||
| Grade | A |
|---|
