Vintage Amstrad CB 901 Citizens Band Mobile Radio Transceiver

A vintage Amstrad CB 901 Citizens Band (CB) mobile radio transceiver, manufactured for the United Kingdom market. The unit features a textured black metal housing with a black plastic front fascia. The control interface comprises a large rotary channel selector knob and four smaller rotary controls for Tone, Volume (integrated with power on/off), Squelch, and RF Gain. Three push buttons are present, labelled CHN 9, ROG, and PA-CB. The display includes a two-digit LED channel indicator and a vertical multi-LED signal strength meter with indicators for Rx and Tx. A 4-pin screw-on microphone socket is located on the left-hand side of the front panel. The rear panel contains an identification plate with the following literal transcription: AMSTRAD CB 901, MADE TO UK HOME OFFICE SPECIFICATION MPT 1320, DC 12.0V, MADE IN HONG KONG, SER. NO. 711613. Rear connectivity includes an SO-239 antenna connector marked ANT, two 3.5mm jack sockets for EXT. SP and PA. SP, a 2-pin DC power socket, and a 10dB ATT slide switch. The unit carries the CB 27/81 logo on the front panel, indicating compliance with UK regulations following the 1981 legalisation of CB radio.