--=+-.,

Channels:

 

40 AM

Frequency

Range:

26.965 to 27.405 MHz

Frequency Control:

Phase Locked Loop '(PLL)synthesizer

Frequency

Tolerance:

:!:0.005%

Operating

Temp.:

-30°C to +50°C

Microphone:

Plug in type: electret

Input Voltage:

13.8 VDC nom. (+ or - ground)

Current

Drain:

TX:full mod., 1.7A

 

 

 

RX:with max audio output, 1.7A

Size:

 

 

4-9/16"W X 6 _35 / 64 "0 X 1-13/32 "H

Weight:

 

 

1.61bs.

Antenna

Connector:

UHF, SO-239

LEDMeter:

 

Indicates relative RFoutput and received sig-

 

 

 

nal strength

TRANSMITTER

 

Power Output:

4 watts

Modulation:

Class B amplitude modulation

Freq. Response:

300 - 2500 Hz

Output

Impedance:

50 ohms, unbalanced

RECEIVER

Sensitivity:

Selectivity:

Image Rejection:

I.F. Frequency:

Automatic Gain Control:

Squelch:

Audio Output Power:

Freq. Response:

Distortion:

Internal Speaker:

Specifications and features

0.7pV for 10dB; (S + N)/N typical (limit: 1.2pV)

6dB a 7KHz, 70dB a 10KHztypical 80 dB typical

Double Conv~rsion Superheterodyne 1st 10.692 MHz

2nd 450 KHz

(AGC):less than 10dB change in audio out- put for inputs from 10 to 50,000 microvolts

Adjustable; threshold less than 1pV 7 watts max. into 8 ohms

300 to 2000 Hz

less than 10% at 4 watts, 1000Hz 16 ohms,S watts round

are subject to change without notice.

-

~

Page 6
Image 6
Uniden PRO 500D manual Transmitter

PRO 500D specifications

The Uniden PRO 500D is a versatile and reliable CB radio designed for both amateur radio enthusiasts and professional users who require clear communication over varied distances. This compact unit stands out due to its user-friendly interface and a range of features that enhance usability and performance.

One of the key features of the PRO 500D is its 40-channel capability, which allows users to communicate across a wide spectrum of frequencies. This ensures that users have ample options to find clear channels, especially in busy environments. The inclusion of Automatic Noise Limiter (ANL) technology helps to filter out background noise, ensuring clearer and more intelligible audio transmission. This feature is particularly useful in urban areas or during adverse weather conditions, where interference is more likely to occur.

The radio is equipped with an adjustable squelch control, enabling users to manage background noise effectively. This is particularly beneficial for long-distance communication, where static and unwanted sounds can detract from clarity. Additionally, the PRO 500D boasts a built-in dynamic microphone, which enhances audio quality during broadcasting by offering improved sensitivity and frequency response.

The design of the Uniden PRO 500D is both ergonomic and user-friendly. The large, backlit LCD display makes it easy to read channel information, even in low-light environments. The control knobs are well-positioned, providing easy access to volume and squelch controls. Furthermore, the radio features a standard 3.5mm headphone jack, allowing users to connect speakers or headphones for a more personal listening experience.

In terms of installation, the PRO 500D is designed for quick and hassle-free setup. Its compact size means it can fit easily into various spaces within vehicles or work environments. Built to withstand rugged conditions, this CB radio is ideal for both casual and professional use, including trucking and outdoor activities.

Overall, the Uniden PRO 500D stands out for its combination of advanced features, reliable performance, and ease of use, making it a solid choice for anyone in need of dependable communication. Whether navigating cross-country routes or participating in a local community event, this CB radio is equipped to handle diverse communication needs effectively.