KE-28
Analogue walkie-talkies
• Frequency-hopping functionality
• USB Port
• Multiple color options
• Battery Level Announcement
• Compact and lightweight
• High-definition audio quality
• Loud and Clear
• 48-hour standby time
Description
| Indicator | Value |
|---|---|
| Transmit Power | 2W |
| Battery Capacity | 1000mAh (built-in) |
| Frequency Range | 400–480MHz |
| Number of Channels | 16 (up to 99 groups) |
| Working Voltage | DC 3.7V |
| Overall Dimension | 86 × 43 × 18mm |
| Weight | 60g |
Receiving Section
| Parameter | Value |
|---|---|
| Receiving Sensitivity | 0.2μV (12dB SINAD) |
| Audio Output Power | >500mW |
| Audio Distortion | ≤5% |
| Signal-to-Noise Ratio | 40dB / 35dB |
| Neighbourhood Selectivity (Wideband/Narrowband) | 65dB / 55dB |
| Spurious Response Suppression | ≥60dB |
| Intermodulation Immunity | 55dB |
Transmitting Section
| Parameter | Value |
|---|---|
| Channel Spacing | 25kHz / 12.5kHz |
| Transmit Current | ≤1600mA |
| Maximum Frequency Bias (Wideband/Narrowband) | ≤5kHz |
| Signal-to-Noise Ratio (Wideband/Narrowband) | 2~45dB / 2~40dB |
| QT/DQT Bias (Wideband/Narrowband) | 0.7±0.1kHz / 0.4±0.1kHz |
| Modulation Sensitivity | 8~12mV |
| Occupied Bandwidth | ≤16kHz |
