Overview
The Cobra 148GTL-DX is a high-performance mobile CB radio produced by Cobra Electronics. It is one of the most well-known SSB-capable CB radios, valued for its strong transmit/receive performance and popularity among enthusiasts and long-distance operators.
Technical Specifications
| Item | Details |
|---|---|
| Model | Cobra 148GTL-DX |
| Manufacturer | Cobra Electronics |
| Radio Type | Mobile CB transceiver |
| Channels | 40 CB channels (26.965–27.405 MHz) |
| Modes | AM, USB, LSB |
| Power Output | 4 watts AM / ~12 watts PEP SSB |
| Power Supply | 13.8 VDC |
| Controls | Volume, squelch, RF gain, mic gain, clarifier, delta tune |
| Display | LED channel display |
| Meter | Analog meter (S/RF, SWR, modulation) |
| Audio Output | Built-in speaker |
| Microphone | 4-pin handheld with push-to-talk |
| Antenna Connector | SO-239 |
| PA Function | Yes |
Physical Description
The Cobra 148GTL-DX features a larger mobile chassis compared to entry-level radios, with a front panel designed for advanced control:
- Rotary knobs for volume, squelch, RF gain, mic gain, and clarifier
- Channel selector knob
- Mode selector (AM/USB/LSB)
- Analog meter for signal strength, transmit power, and SWR
- LED channel display
- Front-mounted microphone connector
The unit is built with a metal chassis and is typically mounted under the dashboard or in a console.
History
The Cobra 148GTL-DX was introduced during the later years of the CB radio era when demand grew for radios with single sideband (SSB) capability. It became one of Cobra’s flagship models, offering enhanced range and performance compared to standard AM-only radios.
Many early versions were manufactured in Taiwan and are highly regarded for their build quality and use of discrete components. The model shares design similarities with radios produced by Uniden during the same period.
Over time, the 148GTL-DX gained a strong following among CB enthusiasts and remains a popular vintage radio. It is often sought after for its reliability, audio quality, and suitability for modification and tuning.