S820 Analog Two-way Radio

Product Introduction:

S820 is an analogue radio with compact and lightweight design, it provides with superb clear and strong audio quality to ensure your work communication efficiency. It’s provided with powerful output 5W, 16 channels, CTCSS/DCS encoding and decoding, powerful audio, long battery life and easy operation to guarantee reliable and durable use purpose. It’s designed with conventional circuit design for both RX and TX to obtain the optimal performance and anti-interference ability, and is cost-effective and provides 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:

S820 Clear Voice Analog Radio.jpg

(Height*Width*Depth) excluding antenna

Product Features:

1. 16 Channels

2. Compact, Reliable and Durable

3. 50 Group CTCSS,104 Groups DCS

4. VOX Function

5. Wide/Narrow Bandwidth Selective

6. Li-lon Battery 1300mAh

7. Voice Guide/Prompt

8. Channel Scan, Priority Scan

9. CE,R&TTE and FCC Approved

10. PC Programming

11. Wire Clone Function

12. Auto Battery Save

13. Time Out Time(TOT)

14. Busy Channel Lockout


General Specifications
Frequency Range VHF:136-174MHz UHF:400-470MHz
Channel Capacity 16 Channels
Channel Spacing 25KHz/12.5KHz
Operation Voltage DC: 7.2V±20%
Battery Capacity 1300mAh(Li-lon Battery)
Antenna Impedance 50Ω
Operating Stability -30℃-+60℃
Frequency Stability ±2.5ppm
Weight 210g
Dimension(W*H*D)(projections excluded) 55*28*100mm
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) 4W/2W/0.5W
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.

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