S890 AM/FM/SSB 27MHz CB Radio – High-Power HF Transceiver for Long-Range Communication
S890 40W AM/FM/SSB CB Radio: 24.715-30.105MHz EU multi-band HF transceiver. AI noise reduction, Dual Watch, Scan, adjustable power (4/8/40W). Roger Beep, Mic Gain, TOT. Ideal for long-range CB/HAM!
The S890 is a versatile and powerful handheld transceiver designed for both professional and amateur radio users. Operating in the 24.7–30.105 MHz range (covering EU Multi-Bands and HF bands), this 27MHz CB radio supports multiple transmission modes including AM, FM, USB, LSB, and PA, making it ideal for long-distance communication across various environments.
🔋 Power & Performance
- Output Power: Adjustable from Low (4W) → Middle (8W) → High (40W)
- Frequency Range: 24.7 MHz to 30.105 MHz (EU Multi-Band + HF Bands)
- High-Power Mode: 40W output enables extended range and reliable signal penetration
📡 Advanced Modes & Features
- Transmission Modes: AM, FM, USB, LSB, PA (Public Address)
- Digital Controls: Step tuning in 5Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz
- Noise Reduction: Built-in AI Noise Reduction, Noise Blanker, ANL (Automatic Noise Limiter)
- Audio Enhancements: ECHO, Hi-cut filter, Roger Beep, Mic Gain Adjustment, TalkBack
- Scan & Monitoring: Dual Watch, Scan List, TOT (Time-Out Timer), LCR (Last Channel Record)
⚙️ User-Friendly Controls
- Adjustable Settings: Output Power, Digital RFG, A-RFG (Auto RFG), ASQ, Beep On/Off, Lock Function
- Smart Functions: Auto RFG, Scan, Memory Channels, Priority Channel
🌐 Use Cases
- Amateur Radio Enthusiasts
- Emergency Communications
- Outdoor Adventures & Camping
- Long-Distance Field Operations
- Commercial & Public Safety Use
🔔 Note: This device is optimized for mobile and portable use. Ensure compliance with local radio regulations before use.
FAQ
Q1: Is the S890 legal for EU CB radio?
✅ Yes. The S890 supports all EU CB frequencies (24.715-26.640MHz, 28.0-30.105MHz) and has adjustable power up to 40W.
Q2: What makes this better than Baofeng UV-9S?
✅ Has AI noise reduction (UV-9S needswhatsapp filters), dedicated CB channels, 6-tone music enhancements, and solid), and approved for CB operations (UV-9S requires modification).
Q3: Can I use it for marine communication?
❌ No. Marine VHF (156-162MHz) is not in the S890 frequency range and requires licensed radios.
FAQ
Q: What is the S890 CB radio frequency range?
A: The S890 operates from 24.715 to 30.105 MHz, covering the standard 27 MHz CB band plus extended HF frequencies including 10, 11, and 12-meter amateur bands.
Q: What modes does the S890 support?
A: AM, FM, USB, LSB, and PA (public address). USB and LSB are single-sideband modes for efficient long-range communication.
Q: Is the S890 suitable for mobile or base station use?
A: Both. The S890 is designed for 13.8V DC operation, making it ideal for vehicle installation or home base station setups with a proper power supply.
Q: What output power options does the S890 have?
A: Three selectable levels: Low (4W), Medium (8W), and High (40W). High power requires proper antenna matching and may have legal restrictions in some regions.
Q: Can I use the S890 for freeband CB operations?
A: Yes, the extended 24.715-30.105 MHz coverage includes frequencies above standard CB channels, commonly called “freeband.” Users are responsible for compliance with local regulations.
Q: What is AI noise reduction on the S890?
A: An optional intelligent audio filter that reduces background noise for clearer transmitted voice in noisy environments like vehicles or industrial settings.
Q: How does ASQ (Automatic Squelch Control) work?
A: ASQ mutes speaker output when no signal is present, eliminating static. It can be turned off or adjusted for different signal conditions.
Q: Why does the S890 have USB and LSB modes?
A: Upper Sideband (USB) and Lower Sideband (LSB) are more efficient than AM/FM, offering longer range with less power and reduced interference—preferred by serious CB and amateur radio operators.
Q: What is the difference between ANL and Noise Blanker?
A: ANL (Automatic Noise Limiter) reduces continuous low-level noise; Noise Blanker specifically targets short impulse noise from vehicle electronics like fuel injection systems.
Q: What is Dual Watch on the S890?
A: Dual Watch monitors two frequencies simultaneously, alerting you if activity occurs on either channel—useful for monitoring calling and working frequencies.
Q: Does the S890 have channel scanning?
A: Yes, full frequency scanning searches for active signals across all available frequencies, or you can program a scan list of preferred channels.
Q: What is TalkBack on the S890?
A: TalkBack routes your microphone audio to the speaker, allowing you to hear your own voice while transmitting—useful for confirming audio quality.
Q: What is LCR (Last Channel Record)?
A: LCR automatically stores and returns to the last used frequency or channel when the radio is turned back on.
Q: What is TOT (Time-Out Timer)?
A: TOT limits continuous transmission time (typically 3-5 minutes) to prevent overheating and comply with regulations that prohibit excessively long transmissions.
Q: What are Digital RFG and A-RFG on the S890?
A: Digital RFG allows manual RF gain adjustment; A-RFG (Auto RF Gain) automatically optimizes receiver sensitivity based on signal strength.
Q: What frequency steps can the S890 use?
A: Selectable steps: 5 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz, allowing precise tuning across HF frequencies.
Q: What is the +10 kHz shift function?
A: +10 kHz shift offsets your frequency by 10 kHz to avoid interference or access split channels used in some regions.
Q: What is Hi-Cut and Beep on the S890?
A: Hi-Cut rolls off high audio frequencies for clearer reception; Beep provides audible feedback for button presses (can be disabled).
Q: Does the S890 have a keypad lock?
A: Yes, Lock on/off prevents accidental button presses during mobile operation.
Q: What power supply does the S890 require?
A: 13.8V DC — suitable for vehicle installation or base station use with an appropriate power supply.
Q: What microphone connector does the S890 use?
A: 6‑pin modular microphone connector with standard wiring for CB/HF transceivers.
Frequency range: 24.7 to 30.105MHz (EU MULTI BANDS + HF BANDS)
Mode: AM/FM/USB/LSB/PA
Output Power: LOW 4W, Middle 8W, High 40W
Main Functions:
AI noise reduce (Option)
Step: 5Hz, 10Hz, 100Hz, 1KHz, 10KHz, 100KHz
ASQ on/off
ECHO on/off
Output power adjustable
Hi-cut on/off
Beep on/off
Dual Watch
Noise Blanker on/off
ANL build-in
Scan
Roger Beep
Lock on/off
LCR (Last Channel Record)
Mic gain adjustable
+10KHz
TalkBack
Scan list
TOT
Digital RFG adjustable
A-RFG (Auto RFG)
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