A rear jack allows you to plug in an external speaker or headphones.

The device likewise features a 3-inch, 3.2-ohm speaker. The sensitivity is 0.4 microvolts on the 15-meter band and 0.6 microvolts on the 10-meter band. The receiver requires less than 0.4 microvolts for a 10 dB signal-plus-noise-to-noise ratio on the 80-, 40-, and 20-meter bands. The delicate electronics inside the device are protected by the radio’s metal outer covering. Weighing in at 6 pounds, 14 ounces, the device is light enough to carry with you into the field if needed. The unit also offers a calibrator on-off switch, dial light dimmer, and an automatic level control (ALC), which governs the signal strength going into the power amplifier. Furthermore, the front controls include a function and band switch, various gain controls, and a sideband selector. The front of the radio features a tuning dial and dial set for easy manual frequency navigation.

In addition, the device includes plug-in circuit boards, making it easier to maintain. The radio features a rear socket that gives you the option of plugging in an external variable-frequency oscillator (VFO) or crystal oscillator accessory, allowing licensed operators to communicate on military auxiliary radio system (MARS) bands. The same holds true with the tuning knob skirt, with all bands having increments of 1kHz, except for the 10-meter band, which features 2kHz increments. On this band, the increments are set at 10kHz. The Atlas 210X Radio Transceiver is calibrated in 5kHz increments on all of the available bands, except for the 10 meters. Now, though, the vintage radio finds a place within the collection of ham radio aficionados, including those who wish to collect a part of the history of this popular hobby. At the time, the Atlas 210X Radio Transceiver provided state-of-the-art electronics and circuit design to its users. Employing all solid-state circuitry, the amateur ham radio provided communication to locations around the world from a fixed, portable, or mobile position. As a side note, you can easily adjust the 10-meter band on the Atlas to cover any portion of the 1000kHz band. Originally manufactured in 1973, the ham radio operated in the 10-, 15-, 20-, 40-, and 80-meter bands.

The Atlas 210X Radio Transceiver was designed with single sideband and CW communications in mind.

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