ST20 Analog Two- way Radio
ST20 Analog Two- way Radio
Product Introduction:
ST20 is an analog radio with small size, compact and light weight design, it’s provided with output power 2W, 16 channels, CTCSS/DCS encoding and decoding, powerful audio and superior clear audio quality, long battery life and easy operation to ensure reliable and durable use purpose. ST20 also provides cost-effective and easy-to-use radio communications with excellent performance for various users, the application includes seaport, manufacturing, security guard, outdoor activity, hotel, restaurant, shopping mall, retail, education and warehouse etc.
Product Dimension:
(Height*Width*Depth) excluding antenna
113mm*54mm*25mm
Product Features:
1. 16 channels
2. Power Output:2W
3. Small Size and Light Weight
4. Various Scan Modes
5. CTCSS/DCS Encode & Decode
6. Auto Battery Save/Low Battery Alert
7. Squelch Tail Elimination
8. Side Key Assignment Programmable
9. Compact and Fashionable Design
10. Easy Carrying and Fashionable Design
11. Wide/Narrow Bandwidth:25KHz/20KHz/12.5KHz(Selective)
12. Dual PTT Dual Standby
Specifications:
General Specifications | ||
Frequency Range | VHF:136-174MHz UHF:400-470MHz | |
Channel Capacity | 16 Channels | |
Channel Spacing | 25KHz/20KHz/12.5KHz | |
Operation Voltage | DC: 3.6V±10% | |
Battery Capacity | 2000mAh(Li-lon Battery) | |
Battery Life(5-5-90 Duty Cycle) | About 20 Hours | |
Antenna Impedance | 50Ω | |
Operating Stability | -30℃-+60℃ | |
Frequency Stability | ±2.5ppm | |
Weight | 175g | |
Dimension(W*H*D)(projections excluded) | 113*54*25mm | |
Receiver (RX) | ||
Bandwidth | Wide Band 25KHz | Narrow Band 12.5KHz |
Sensitivity(12dB Sind) | ≤0.25μV | ≤0.35μV |
Adjacent Channel Sensitivity | ≥70dB | ≥60dB |
Intermodulation | ≥65dB | ≥60dB |
Spurious Response Rejection | ≥70dB | ≥70dB |
Audio Response | +1~3dB(0.3~3KHz) | +1~3dB(0.3~2.25KHz) |
Hum&Noise | ≥45dB | ≥36dB |
Audio Distortion | ≤5% | |
Audio Output | 500mW with less than 10% distortion | |
Transmitter (TX) | ||
Bandwidth | Wide Band 25KHz | Narrow Band 12.5KHz |
RF Output Power(High/Low) | 2W | |
Modulation | 16KΦF3E | 11KΦF3E |
Spurious Emission | ≥36dB | ≥36dB |
Adjacent Channel Power | ≥70dB | ≥60dB |
Hum&Noise | ≥40dB | ≥36dB |
Audio Response | +1~3dB(0.3~3KHz) | +1~3dB(0.3~2.25KHz) |
Modulation Limiting | ±5.0KHz ±2.5KHz | ±2.5KHz |
Modulation Distortion | Less than 5% | |
Frequency Stability | +/-5ppm | |
Application Scenarios:
Construction, airport, seaports, security guard, property management, shopping mall, hotel, warehouse, logistics, education, retail, manufacturing, institution, surveying and mapping, hospitality, restaurant, outdoor activity and school etc.
