The TCB-550N has been designed with slim and compact design features enabling it to be easily installed in modern vehicles where space is at a premium.
The TCB-550N includes a novel Auto Squelch function that works very well in the FM mode; the squelch control can be turned fully anti-clock wise till it is locked in to Auto Squelch mode, by turning the squelch control clock-wise Auto Squelch is disabled and you can manually adjust squelch level to your desired level. It is also multi-standard so it is the lowest price radio that can be used across Europe, an ideal starting point for a first time CB user.
Multiple Bands 4W Output Power AM/FM Operation Menu Mode(Beep Tone On/Off, TOT, Backlight Dimmer) Emergency Channel 4 Memory Controls Scan Keypad Lock PA Capability Blue Illumination
Channel: 40 Frequency: 26.965 MHz to 27.405 MHz Operating Mode: F3E(FM), A3E(AM) Frequency Control: PLL Synthersizer Frequency Tolerance: 0.002% Operating Temperature: -10 to +55°C Microphone: Plug-in Type Input Voltage: 13.8V DC ± 15% Size: 124(W) x 136(L) x 37.5(H) Weight: 670g Antenna Connector: SO-239 type TRANSMITTER Power Output: Duty Cycle 10% 4 Watts @ 13.8V DC Modulation AM: from 85% to 95% Modulation FM: 1.8KHz±0.2KHz Harmonic Suppression: Less than -36dBM Current Drain: AM Full Mod. 1.6A Max.
Receiving system: Dual Conversion Superheterodyne IF Frequencies: Double Conversion 1st 10.695MHz/2nd 455KHz Sensitivity in AM Mode: 0.7µV for 10dB(S+N)/N Sensitivity in FM Mode: 0.5µV for 20dB SINAD Audio Output Power: 2.0W @ 8 ohm Audio Distortion: Less than 8% 1KHz Image Rejection: -53 dBm Adjacent Channel Rejection: -53 dBm Conducted Spurious: 300 to 2500Hz Built-in Speaker: 8 ohm, round Squelch: Adjustable; Threshold less than 1 microvolt
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