Tecsun PL-660

Frequency Coverage

 The PL-660 covers a wide range of frequencies, including AM (Medium Wave), FM (Frequency Modulation), and Shortwave bands. It also includes the longwave (LW) band, making it suitable for listening to a variety of radio stations worldwide.

Shortwave Reception

 This radio is particularly well-regarded for its shortwave reception capabilities, which allow users to tune in to international broadcasts, amateur radio (ham) bands, and other long-distance transmissions.

Digital Signal Processing (DSP)

 The PL-660 features DSP technology, which helps enhance the clarity and quality of radio signals, reducing interference and improving overall reception.

Multiple Tuning Methods

 It offers various tuning methods, including direct keypad entry, manual tuning, and ATS (Auto Tuning Storage), which automatically scans and saves active stations for easy recall.

Memories and Presets

 Users can store and recall favorite stations with the radio's memory functions. It has 1000 memory presets for different frequency bands.

SSB (Single Sideband) Reception

 The PL-660 often includes SSB reception capabilities, allowing users to listen to single sideband signals used in ham radio communication.

Clock and Alarm Functions

 Some models of the PL-660 come with a built-in clock and alarm features, making it useful for keeping track of time while listening to radio programs.

External Antenna Jack

 It may have an external antenna jack, which allows you to connect an external antenna for improved reception, especially in areas with weak signals.

Battery and Power Options

 The radio is typically powered by 4 rechargeable batteries, standard AA batteries, or an external DC power source. It's designed to be portable and can operate on battery power for extended periods.

Display and Backlight

 The PL-660 often features a clear LCD display with a backlight for easy reading of frequency information, time, and other settings, even in low-light conditions.

Audio Output

 It usually includes a headphone jack for private listening, and some models may have an external speaker jack for connecting external speakers.

 Frequency Range:

        FM : 76 ~ 108MHz

        Japan 76 ~ 108MHz / Germany 87.5 ~ 108MHz

        MW : 522 ~ 1620kHz (band step 1/9kHz for Asia / Africa / Europe) / 520 ~ 1710kHz (band    step 10kHz for Northern America) ·

        LW : 100KHz to 519KHz (band step 1/9kHz)

        SW : 1711KHz to 29999KHz.(band step 1/5kHz)

        AIR : 118~137MHz (band step 1/25kHz)

    Noise Limit sensitivity:

        FM band < 3uV @30dB.

        MW band <1mV/m @26dB.

        LW band <5mV/m @26dB.

        SW band < 20uV @ 26dB.

        SSB <1uV

        AIR <5uV

    Receiver: Dual Conversion, SSB (include upper side band & lower side band), Air Band, SYNC

    Tone Adjustment Treble/Bass