FLEX-6600M

A Real SDR for Every Operator

The FLEX-6600M™ offer the ultimate performance direct sampling SDR technology and the best value for the serious HF/6m operator. The FLEX-6600M model is designed for the Ham who wants to operate the radio exclusively as a server from PC, laptop, Maestro, Mac, or iOS clients – whether local or remote. Both models share the same game changing band awareness, industry leading phase noise performance/ receiver dynamic range, and brick wall filters to give you the advantage in the most competitive DXing or contesting activities while maximizing your fun in casual operations. With a PC, laptop, or Mac client, you can utilize up to four 14 MHz spectrum/waterfall displays and independent band/ mode receivers to revolutionize your view of the bands, especially on digital modes.

Contest grade filters, ultra low spurious emissions, and the ability to operate full duplex cross band on two antennas let you transmit on one band while receiving on another – no external equipment required. Even switch to synchronous diversity reception when needed to help you pick out the weak ones in the midst of QRM. By adding FlexRadio’s new PowerGenius XL LDMOS solid state amplifier a complete legal limit, all mode SO2R station is now practical with one radio, one amp and only three interconnect cables – half the cost and none of the complexity.

The FLEX-6600M places the most used controls right at your fingertips. Controls are labeled for intuitive operation and designed to minimize hand motion for the most common operations. Occasionally used controls are easily accessible on the large touch screen display bypassing the complexity of multi-function buttons and multi-level menus found on other transceivers. Like modern smartphones and tablets, capacitive touch control is provided on the large LCD display for intuitive pan, zoom, tune, and menu operation. The FLEX-6600M controls are designed to provide maximum tempo in the most demanding applications including SO2R, Run, S&P, and Multi-op contesting.

Key Features

Native Remote Operation	Using Maestro, PC, Laptop, iPad or iPhone
SDR Architecture	Direct Sampling
Independent High Performance Receivers	Four (4)
Reciprocal Mixing Dynamic Range (RMDR)	116dB
Spectral Capture Units (digitizers)	Two (2)
Diversity Reception Capable using Seperate Antennas	Yes
Single Operator Two Radios (SO2R) using one FLEX-6600	Yes
Contest Grade Preselectors	7th Order on contest bands; 3rd order on remaining bands
Maximum Panadapter Bandwidth	14 MHz
Radio Control Surfaces	Ergonomic tactile controls with touch screen interface
Integrated Display	8-inch 1920x1200 IPS Display
External Display	1920x1200 WUXGA via HDMI interface
Antenna Connectors	SO-239x2; XVTR-BNCx2, RX-IN-BNCx2
Wideband Frequency Coverage	30 kHz - 54 MHz
Transmit Frequency Coverage	160-6m amateur bands, 100W nominal output
Transverter IF Frequency Coverage	100 kHz - 54 MHz
Full Duplex Operation	Yes
Digital Audio Exchange (DAX) Channels	Four (4)
DAX IQ Channels/Bandwidth per Channel (DAXIQ)	Four (4)

Specifications

Receiver

Receiver Architecture	Direct Digital Sampling
Spectral Capture Units (digitizers)	Two (2)
Maximum Slice Receivers	Four (4)
ADC Resolution	16-bits
ADC Sampling Rate	245.76 Msps
Wideband Frequency Coverage	30 kHz - 54 MHz
DAX IQ Channels / Bandwidth Per Channel	Four (4)
DAX Audio Channels	Four (4)
Amateur Band Preselector Coverage	7th order on contest bands; 3rd order on remaining
1/2 kHz Reciprocal Mixing Dynamic Range (RMDR)	110/116 dB

Spectrum/Waterfall Display

Maximum High Resolution Spectrum Displays	Four (4)
Panadapter Bandwidth	1.2 kHz - 14 MHz
Spectrum Dynamic Range (max zoom)	> 155 dB
Spectrum Resolution Bandwidth (min)	1.6 Hz
Integrated Touch Panel Display Size (diagonal)	8" (20.3 cm)
Integrated Display Resolution	1920x1200
External Display Resolution/Connection	1920x1200/HDMI

Transmitter

Transmitter Architecture	Direct Digital Up-conversion
Modulation System	Digital Low Power at Carrier Frequency
RF Output Power	1-100W nominal SSB, CW, FM, RTTY, Digital; 1-25W nominal AM
Amateur Band Coverage at Rated Power Output	160m – 6m
Transverter IF Output Power	+0 dBm Typical; +10 dBm max
Transverter IF Frequency Coverage	100 kHz - 54 MHz
DAX Transmit Channel	Yes
Harmonic Suppression	< -60 dBc typical
Transmit Bandwidth	Default 100-2900 Hz (Variable 50-10000 Hz)
Microphone Connector	Pseudo Balanced 1/8" TRS
Microphone Impedance	600 Ohms Nominal (200-10kO)

Optional Antenna Tuner

Matching Range 80m - 10m	Optional, 8.3 Ohms - 300 Ohms
Matching Range 160 and 6m	Optional, 16.7 Ohms - 150 Ohms

General

USB 2.0 Ports (peripheral control)	Two (2)
Internal 10 MHz Reference Clock Stability	0.5ppm TCXO (0-50C)
Emission Modes	USB, LSB, CW, RTTY, AM, Synchronous AM, FM, NFM, DFM, FreeDV
Frequency Resolution	1 Hz min.
Antenna Connectors	SO-239x2, BNC XVTRx2, BNC RX-INx2
Antenna Impedance (w/o tuner)	50 Ohm Unbalanced

Electrical

Power Supply Requirements	+13.8V DC nominal ±15%
Current Drain (Receive/Transmit Max)	2.0A / 23A @ 13.8V

Mechanical

Height	6.74" (17.1 cm) with feet
Width	14.0" (35. cm)
Depth	13.25" (33.7 cm)
Operating Temperature	0 to +50 degrees C; +32 to +122 degrees F

FlexRadio

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