Flex Radio 6500 SDR Transceiver

Receive frequency coverage

30 KHz to 77 MHz Reference

Transmit frequency coverage

160m - 6m (Amateur bands only by country) + MARS Reference

Modes

A1A (CW), A3E (AM), J3E (SSB), F3E (FM) Reference

RF output power

100W (25W AM) Reference

Power requirement

+13.8 VDC +/- 15% Reference

Current consumption

2A receive typical; 23A transmit maximum Reference

Frequency stability

0.5 ppm TCXO; with GPSDO option: 5x10^-12 over 24 hours Reference

Operating temperature

0 to +50°C, +32 to +122°F Reference

Dimensions

13 W x 12 D x 4 H in; without feet: 13 W x 12 D x 3.5 H in Reference

Weight

13 lbs., 5.9 kg Reference

Antenna impedance

50 Ohms, unbalanced Reference

Sensitivity

-121 dBm / -125 dBm / -136 dBm / NA; preamp off / 10 dB / 20 dB / 30 dB, typical MDS in 500 Hz bandwidth with preselector off Reference

Specifications may vary by revision or market. Use linked manufacturer references when available and confirm critical details before purchase.