| Model |
 i507W Android Indoor Station
|
 i506W SIP Indoor Station
|
 i505/i505W Android Indoor Station
|
 i504/i504W SIP Indoor Station
|
 i501/i501W SIP Indoor Station
|
 i57A SIP Indoor Station
|
 i56A SIP Indoor Station
|
 i55A SIP Indoor Station
|
 i53W SIP Indoor Station
|
 i52W SIP Indoor Station
|
 i51W SIP Indoor Station
|
| System |
Android 9.0 |
Linux |
Android 9.0 |
Linux |
Linux |
Android 9.0 |
Android 9.0 |
Android 9.0 |
Linux |
Linux |
Linux |
| Screen |
10.1-inch 1280×800 capacitive color touch screen |
10.1-inch 1280×800 capacitive color touch screen |
7-inch 1024×600 capacitive color touch screen |
7-inch 1024×600 capacitive color touch screen |
× |
10.1-inch 1280×800 capacitive color touch screen |
10.1-inch 280X800 color touch screen |
7-inch 1024×600 capacitive color touch screen |
7-inch 800×480 color touch screen |
7-inch 800×480 color screen |
4.3-inch 480X272 color screen |
| HD Audio |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
| Wideband Codecs |
G.722, Opus |
G.722, Opus |
G.722, Opus |
G.722, Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
| Speaker Power |
2W |
2W |
2W |
2W |
1W |
2W |
1W double speakers |
1.5W double speakers |
2W |
2W |
1.5W |
| Video Resolution |
1080P |
1080P |
1080P |
1080P |
× |
1080P |
1080P |
1080P |
1080P |
1080P |
1080P |
| Video Codec |
H.264,H.265 (Optional) |
H.264,H.265 (Optional) |
H.264,H.265 (Optional) |
H.264,H.265 (Optional) |
× |
H.264 |
H.264 |
H.264 |
H.264 |
H.264 |
H.264 |
| ONVIF |
√ |
√ |
√ |
√ |
× |
√ |
√ |
√ |
√ |
√ |
√ |
| SIP Lines |
2 |
6 |
2 |
6 |
2 |
2 |
6 |
2 |
6 |
4 |
4 |
| Bluetooth |
× |
× |
× |
× |
× |
Built-in Bluetooth 5.0 |
Built-in Bluetooth |
Built-in Bluetooth 5.0 |
× |
× |
× |
| WiFi |
Built-in 2.4/5G WiFi |
Built-in 2.4/5G WiFi |
Support 2.4G/5G WiFi(i505W) |
Support 2.4G/5G WiFi(i504W) |
Built-in 2.4/5G WiFi |
Built-in 2.4/5G WiFi |
Built-in 2.4G/5G WiFi |
Built-in 2.4/5G WiFi |
Built-in 2.4G WiFi |
Built-in 2.4G WiFi |
Built-in 2.4G WiFi |
| Buttons |
× |
× |
× |
× |
4 |
3 |
3 |
5 |
5 |
5 |
5 |
| Alarm Input Interfac |
8 |
8 |
8 |
8 |
1 |
8 |
8 |
8 |
8 |
8 |
8 |
| Short Circuit Output |
1 |
1 |
1 |
1 |
× |
2 |
2 |
2 |
× |
× |
× |
| Door Bell Interface |
1 |
1 |
1 |
1 |
1 |
1 |
× |
1 |
× |
× |
× |
| RS-485 Interface |
1 |
1 |
1 |
1 |
× |
1 |
1 |
1 |
1 |
1 |
1 |
| TF Interface |
× |
× |
× |
× |
× |
UP to 256GB |
1 |
× |
× |
× |
× |
| USB Port |
× |
× |
× |
× |
× |
1 |
1 |
× |
× |
× |
× |
| Network |
10/100 Mbps |
10/100 Mbps |
10/100 Mbps |
10/100 Mbps |
10/100 Mbps |
10/100Mbps |
10/100 Mbps |
10/100Mbps |
10/100 Mbps |
10/100 Mbps |
10/100 Mbps |
| PoE |
√ |
√ |
√ |
√ |
i501support |
√ |
√ |
√ |
√ |
√ |
√ |
| Installation Mode |
Wall-mounted |
Wall-mounted |
Wall-mounted |
Wall-mounted |
Wall-mounted and desktop installation methods |
Wall-mounted |
Wall-mounted and desktop installation methods |
Wall-mounted |
Wall-mounted and desktop installation methods |
Wall-mounted and desktop installation methods |
Wall-mounted and desktop installation methods |
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