| Network type | 4G 3G 2G |
|---|---|
| Intercom brand | DuoMSera |
| model | K300S |
| Applicable age | Over 14 years old |
| After-sales service | National United |
| origin | Mainland China |
| Color classification | Practical version of the lifelong version Mini miniature and long-lasting version The best-selling version is open to life-long version. The technology universal intercom machine is free for life. The renewal version is over 10 days long and the universal vehicle is double-filled |
| Intercom category | Help desk |
| Call distance | Five thousand kilometers |
| Is there a display screen | Have |
| voltage | 100-240V General |
| Photosource type | LED beads |
| Production enterprise | Quanzhou Xinli Electronics Co., Ltd |
| Is it positionable | Yes |
| Applicable population | Business office staff |
| Smart type | Other intelligence |
| Battery capacity | 8800mAh |
| Is it explosion-proof | no |
| Online voice package | None |
| Intercom power | 05W and below |
| Intercom mechanism | Double mold 「 public net simulation 」 |
| Frequency range | U section |
| warranty period | 36 months |
| Radio transmission equipment model approval code | 2022CP10798 |
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