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The KS20 is a screen-free phone for kids designed to provide simple and distraction-free communication for modern families. Without access to social media, games, or internet browsing, children can stay connected with parents and trusted contacts through secure voice calls.
Crafted from a premium blend of child-safe ABS and TPU materials, the handset is lightweight, durable, and comfortable for children to hold. Its robust construction helps withstand daily use in homes, Montessori environments, and childcare facilities.
The device features a tactile keypad, dedicated WiFi connection button, volume controls, status indicators, and a stable charging base. The intuitive design makes it easy for children, parents, and grandparents to operate without technical complexity.
Thanks to its compact footprint and stable design, the KS20 can be conveniently placed in bedrooms, living rooms, study rooms, classrooms, daycare centers, and reception areas.
With over 30 years of experience in communication technology manufacturing, Kaer develops reliable and innovative communication devices for families, educational institutions, telecom operators, and global partners.
Parameter | Details | |
| Complete Machine | Reference Dimensions | Main unit: 172*50*32mm Base: 172*79*27.5mm mm * 172 * 59mm |
Case Material | ABS + TPU | |
| SIP | Audio Parameters | HD Voice |
Encoding/Decoding: G.711/722/729, AMR-NB/WB, iLBC, Opus | ||
With automatic echo cancellation | ||
DTMF: In-band,Out-of-band,SIP INFO | ||
Phone Features | Supports 1 SIP account | |
Incoming/outgoing calls ; caller ID, ringtone | ||
User Interface | SIP status indicator light, WiFi status indicator light | |
Network & Security | Supports SIP v1 (RFC2543) and SIP v2 (RFC3261) | |
Supports NAT: STUN, TURN, ICE | ||
Supports RTP/RTCP/SRTP | ||
Supports Qos | ||
Supports IPv4 and IPv6 | ||
Configuration Management | Supported configuration modes: WEB | |
Restore factory settings and restart | ||
OTA | ||
| Network | WiFi | 802 b/g/n/ac/ax, 2.4GHz & 5GHz |
Voice | Trumpet | 1 |
MIC | 1 | |
Power Supply | Input | AC 100~240V |
Output | DC 5V / 1A | |
Other | Operating Humidity | 10%-95% |
Atmospheric Pressure | 86-106 kPa | |
Operating Temperature | - 0 ℃ - + 45 ℃ | |
Storage Temperature | -20℃ - +60℃ | |