Source: rigpix
Transceivers
Updated: 09/02/2026
Kenwood TS-870S
Confidence score: 50%
Estimated value
380€
Theoretical estimate
323€
Minimum
437€
Maximum
Specifications
GENERAL
- Type
- Amateur HF transceiver
- Frequency range
- TX: 10-160 m + WARC RX: 0.1-30 MHz
- Tuning steps
- 1 / 10 / 100 Hz 1 / 5 / 10 / 100 / 500 KHz 1 MHz
- Frequency stability
- ±10 ppm @ -10 to +50°C (14 to 122°F) ±0.5 ppm with optional SO-2
- Mode
- AM / FM / SSB / CW / FSK
- Channels / memory management
- 99 regular 1 scan limit pair 5 quick memory RAM storage with lithium battery backup
- Repeater shift / offset
- No dedicated. Use VFO A/B split instead
- Power supply
- 13.8 VDC ±15% (6-pin Molex)
- Current drain / power consumption
- RX: 2 A TX: Max 20.5 A
- Antenna impedance / connector
- 50 ohm (20-150 ohm with ATU) / Two SO-239
- Dimensions (W*H*D)
- 330*120*334 mm (13*4.72*13.1")
- Weight
- 11.5 Kg (25 lb)
- Other features
- CTCSS/PL. Built-in memory keyer and ATU. IF-DSP.
RECEIVER SECTION
- Receiver system
- Quadruple conversion superheterodyne 1st IF: 73.05 MHz 2nd IF: 8.83 MHz 3rd IF: 455 KHz 4th IF: 11.308 KHz
- Sensitivity
- SSB/CW/FSK: 0.1-0.5 MHz: <1 uV 0.5-1.705 MHz: 4 uV 1.705-30 MHz: 0.13 uV FM (12 dB SINAD) 28-30 MHz: 0.25 uV
- Selectivity
- AM, Lo 100 Hz, Hi 4000 Hz: 9 KHz (-6 dB) 12 KHz (-60 dB) FM, width 14 KHz: 14 KHz (-6 dB) 18 KHz (-60 dB) SSB, Lo 300 Hz, Hi 2600 Hz: 2.3 KHz (-6 dB) 3.3 KHz (-60 dB) CW, width 200 Hz: 200 Hz (-6 dB) 450 Hz (-60 dB) FSK, width 500 Hz: 500 Hz (-6 dB) 1 KHz (-60 dB)
- Image rejection
- 1.8-30 MHz 80 dB
- AF output power / speaker
- 1.5 W at 10% distortion / 8 ohm
- External speaker connector
- 3.5 mm
TRANSMITTER SECTION
- AM
- 25 W
- FM
- 100 W
- SSB (PEP)
- 100 W
- CW/FSK
- 100 W
- Modulation system
- AM: Low level FM: Reactance SSB: Balanced
- Max FM deviation (Factory set)
- Wide: ±5 KHz Narrow: ±2.5 KHz
- Spurious emissions
- Better than -60 dB
- Microphone impedance / connector
- 600 ohm / 8-pin (Metal locking ring connector)
- Microphone input level
- ? mV
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