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ST25 Analog Two- way Radio

Brand SFE
Model ST25
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Brand
SFE
Model
ST25
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ST25 Analog Two- way Radio


Product Introduction:

ST25 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. ST25 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:


ST25 Light Weight Radio.jpg

(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/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.