Source: rigpix
Transceivers
Updated: 08/02/2026
FlexRadio Flex-6600M
Confidence score: 50%
Estimated value
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Specifications
GENERAL
- Type
- Amateur HF/VHF SDR transceiver
- Frequency range
- TX: 10-160 m + WARC / 6 m RX: 0.03-54 MHz
- Tuning steps
- Down to 1 Hz
- Frequency stability
- ±? ppm
- Mode
- AM / Sync-AM / FM / SSB / CW / RTTY (DV option)
- Channels / memory management
- Depending on software
- Repeater shift / offset
- Depending on software
- Power supply
- 13.8 VDC ±15%
- Current drain / power consumption
- RX: Max 2 A TX: Max 23 A
- Antenna impedance / connector
- 50 ohm / Two SO-239. Two BNC (RX only). Two BNC (Transverter)
- Dimensions (W*H*D)
- 350*171*337 mm (14*6.74*13.25")
- Weight
- ? Kg (? lb)
- Other features
- Four USB2 ports. Four independent receivers. Four 14 MHz panafall displays. LAN port. Full duplex operation. Full QSK. Integrated remote operation. Synchronous diversity reception.
RECEIVER SECTION
- Receiver system
- Direct digital sampling ADC sampling rate: 245.76 Msps ADC resolution: 16 bit
- AF output power / speaker
- 2 W at ?% distortion / ? ohm
TRANSMITTER SECTION
- RF output power
- 1-100 W (AM: 1-25 W)
- Modulation system
- Digital low power at carrier frequency
- Max FM deviation (Factory set)
- FM: ±5 KHz NFM: ±2.5 KHz
- Spurious emissions
- Better than -? dB
- Microphone impedance / connector
- 600 ohm (Nominal) / ?-pin (3.5 mm)
- Microphone input level
- ? mV
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