1.85 in 5.94 in  | 1.93 in 6.1 in  | |
| Available colors | ||
| User rating |
 Gigaset A120 |  Gigaset C620 Duo | |
|---|---|---|
| Type | DECT telephone | DECT telephone |
| Intercall | yes | yes |
| Max number of earpieces | 4 | 6 |
| Max number of handsets | 4 | 6 |
| Phonebook | yes | yes |
| Number of phonebook entries | 50 | 250 |
| Range indoor | 300 | 50 |
| Range outdoor | 50 | 300 |
| SMS | no | yes |
| Eco Dect | yes | yes |
| Eco Dect Plus | no | yes |
| SIP-Dect | no | no |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Built-in display | yes | yes |
| Display resolution |
|
|
| Display number of colours | Monochrome | 65536 colours |
| Display diagonal | 1.4 in | 1.8 in |
| Display type | LCD | TFT |
| Display number of lines | 3 | 6 |
| Screen resolution | 70 x 8 px | 128 x 160 px |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Width | 1.85 in | 1.93 in |
| Height | 5.94 in | 6.1 in |
| Depth | 1.22 in | 1.18 in |
| Weight | 3.53 oz | 4.94 oz |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Colour of product |
| Black |
| Backlight colour | Amber | Amber |
| Mounting type | Desk |
|
| Volume control type | Digital | Digital |
| Backlit display | yes | yes |
| Backlit keypad | no | yes |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Bluetooth | no | no |
| GAP-compatible | yes | yes |
| VoIP | no | no |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Battery technology | Nickel-Metal Hydride | Nickel-Metal Hydride |
| Number of batteries supported | 2 | 2 |
| Talk time | 18.0 h | 26.0 h |
| Stand by time | 200.0 h | 530.0 h |
| Gigaset A120 | Gigaset C620 Duo | |
|---|---|---|
| Baby monitor function | no | yes |
| Answering machine | no | no |
| Speaker function | yes | yes |
| Alarm clock | yes | yes |
| Call Blocker | yes | yes |
| Wireless connection | yes | yes |
| Number of melodies | 10 | 20 |
| Caller ID | yes | no |
| Pros | ||
|---|---|---|
| Cons |
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