RADIOSHACK 20-513A Radio Scanner Owners Manual PRO-74 Shack

( Brand: Radioshack ), ( Manufacturer Part Number: 20-513A ), ( Model: PRO-74 20-513A ), ( Part Type: Radio Scanner Manual ), ( Country Of Origin: Philippines )

Review RADIOSHACK Radio Shack Scanner Owners Manual

The **RadioShack 20-513A Radio Pro-74 Scanner** is a versatile and compact professional-grade radio scanner designed for enthusiasts, law enforcement professionals, emergency responders, and hobbyists seeking reliable access to a wide range of public, private, and government radio frequencies. This model, part of RadioShack s trusted line of communication equipment, delivers exceptional performance with its robust construction, intuitive controls, and advanced scanning capabilities. Built with a durable metal chassis and a sturdy antenna mount, the Pro-74 is engineered to withstand frequent use and environmental challenges, making it ideal for both indoor and outdoor applications. Its large, easy-to-read LCD display provides clear visibility of frequency settings, signal strength, and channel information, while the responsive keypad allows for precise navigation through thousands of frequencies with minimal effort. The scanner supports a broad spectrum of radio bands, including VHF, UHF, and FM, enabling users to monitor police, fire, aviation, marine, and amateur radio transmissions, as well as local emergency services and public safety channels. With features like memory storage for up to 100 customizable channels, a built-in noise filter for clearer audio, and an adjustable squelch control to minimize static, the Pro-74 offers a seamless listening experience tailored to individual preferences. Additionally, its compatibility with external antennas and accessories enhances its range and flexibility, allowing users to extend coverage to distant or hard-to-reach locations. The accompanying **owners manual** serves as an essential guide, detailing everything from initial setup and frequency scanning techniques to troubleshooting common issues and maximizing the scanner s functionality. Whether used for professional monitoring, hobbyist exploration, or emergency preparedness, the RadioShack 20-513A Pro-74 Scanner stands as a reliable and feature-rich tool for anyone seeking to stay informed and connected to critical communications networks.

The **RadioShack 20-513A Radio Pro-74 Scanner** (also known as the **Uniden BC125T**) is a mid-range police, fire, and emergency services scanner designed for hobbyists and professionals. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the RadioShack 20-513A (Uniden BC125T)**

1. **Wide Frequency Coverage**

- Covers **VHF (30 52 MHz) and UHF (136 512 MHz)**, including police, fire, EMS, aviation, marine, and citizen band (CB) frequencies. This makes it versatile for scanning local and regional communications.

2. **Digital and Analog Reception**

- Supports **analog FM** (standard for most public service frequencies) and **digital modes** like **DMR Tier II** (Digital Mobile Radio), which is increasingly used by law enforcement and public safety agencies. This future-proofs the scanner to some extent.

3. **Built-in Trunking Decoder**

- Includes **APCO Project 25 (P25) Phase I/II** trunking decoding, which is essential for modern police and fire departments that use trunked radio systems. This allows the scanner to follow conversations across multiple frequencies automatically.

4. **Large, Easy-to-Read Display**

- Features a **4.3-inch color LCD screen** with clear text and frequency readouts, making it easier to navigate than older models with small displays.

5. **USB and Audio Output**

- Includes a **USB port** for firmware updates and data transfer, as well as an **auxiliary audio output** (3.5mm jack) for connecting to speakers or recording devices. Some models also support **Bluetooth audio streaming**.

6. **Memory Capacity**

- Has **1,000 memory channels**, allowing users to store frequently scanned frequencies or preloaded scan lists (e.g., police departments, airports, or local emergency services).

7. **Portable and Durable Design**

- The unit is **compact and lightweight**, making it easy to carry. It also has a **metal chassis** for durability, though it is not waterproof.

8. **Preloaded Scan Lists**

- Comes with **preloaded scan lists** for major U.S. cities (e.g., Los Angeles, New York, Chicago), which is convenient for new users who want to start scanning immediately.

9. **S-Scan (Selective Scanning) Function**

- Allows users to **skip over weak or non-active signals**, reducing interference and improving scanning efficiency.

10. **Affordable for Its Capabilities**

- Compared to higher-end scanners (e.g., Uniden BC850T or BCD436HP), the BC125T offers a good balance of features and price, making it accessible for hobbyists.

---

### **Cons of the RadioShack 20-513A (Uniden BC125T)**

1. **Limited DMR Tier III Support**

- While it supports **DMR Tier II**, it **does not decode DMR Tier III**, which is used by some private networks and commercial services. This may limit access to certain conversations.

2. **No Built-in GPS or Automatic Frequency Updates**

- Unlike some higher-end models (e.g., Uniden BCD999P2), this scanner **does not have GPS** for automatic frequency updates or location-based scanning. Users must manually update frequencies or rely on third-party apps.

3. **No Built-in Recording**

- There is **no internal recording function**; users must connect an external recorder or audio interface to save conversations.

4. **Software Limitations**

- The **Uniden ScanMaster software** (for PC) is functional but **not as advanced** as competitors like the **BCD436HP s software**, which includes features like **automatic frequency updates** and **better DMR support**.

- Some users report **occasional software bugs** or compatibility issues with newer Windows versions.

5. **No Built-in Noise Reduction**

- While it has **S-Scan to filter weak signals**, it lacks **advanced noise-canceling technology** found in more expensive models, which can be an issue in high-interference areas.

6. **Battery Life Concerns**

- The included **rechargeable battery** (if any) may not last long during extended scanning sessions. Users often opt for **external power adapters** or **car chargers** for continuous use.

7. **No Touchscreen or Intuitive Navigation**

- The controls are **button-based**, which can be slower than touchscreen models. Some users find the menu system **less intuitive** compared to newer scanners.

8. **Limited Customization for Advanced Users**

- While it supports **P25 trunking**, it lacks some **advanced features** like **customizable scan patterns** or **deep DMR network monitoring** found in professional-grade scanners.

9. **Potential for Outdated Firmware**

- Uniden occasionally releases **firmware updates** to improve compatibility or add features. However, some users report **delays in receiving updates**, especially for older models.

10. **No Built-in Wi-Fi or Cloud Sync**

- Unlike some modern scanners, this model **does not sync with cloud-based frequency databases** (e.g., ScannerMaster or RadioReference), requiring manual updates.

---

### **Conclusion**

The **RadioShack 20-513A (Uniden BC125T)** is a **solid mid-range scanner** that excels in **P25 trunking decoding, DMR Tier II support, and wide frequency coverage**. It is well-suited for **hobbyists, emergency enthusiasts, and professionals** who need a **reliable, portable scanner** without breaking the bank. Its **preloaded scan lists, large display, and USB connectivity** make it user-friendly, while its **lack of advanced features like GPS, DMR Tier III, or built-in recording** limits its appeal to power users.

For **beginners or casual listeners**, this scanner is an **excellent choice** due to its **affordability and versatility**. However, **advanced users or professionals** who require **GPS updates, DMR Tier III, or deep trunking analysis** may need to invest in a **higher-end model** like the **Uniden BCD436HP or BC850T**.

---

### **Recommendation**

- You want a **budget-friendly scanner** with **good P25 trunking and DMR Tier II support**.

- You are a **beginner or hobbyist** looking for a **portable, easy-to-use device** with preloaded scan lists.

- You primarily scan **police, fire, and EMS frequencies** in your local area.

- You are willing to **manually update frequencies** and use **external recording devices**.

- You need **DMR Tier III support** or **advanced trunking features**.

- You want **GPS-based automatic frequency updates**.

- You require **built-in recording or touchscreen navigation**.

- You plan to **monitor commercial or private networks** that use newer digital protocols.

For most **casual users and emergency enthusiasts**, the **BC125T is a great starting point** and offers **excellent value for its price**. However, those with **specific professional needs** should research alternatives carefully.

Details:

Please view pictures CLOSELY as they are part of the and ask questions BEFORE buying. If the item is too large, I might have to use UPS. Shipping and handling cost is to the 48 lower states using USPS. OLD, lightly USED, usage wear, Manual was folded in half at some point.

Radio Shack PRO-74 Scanner Owners Manual 20-513A. I will use the most economical method. I am NOT out to make money on shipping and handling but need cover the ever increasing costs of shipping, supplies, fees, fees more.

part #: 20513a prices

• $10.95-$19.99

specifications radiomanumag:

• brand: Radioshack
• mpn: 20-513a
• model: Pro-74 20-513a
• part type: Radio Scanner Manual
• country of origin: Philippines

shipping radiomanumag:

• transit: 4-8 Days
• carrier: USPS
• cost: $5.50
• service: USPS Ground Advantage
• type: Fixed
• class: Standard

general radiomanumag:

• condition: Very Good
• Radio Communication > Parts Accessories > Manuals Magazines

returns radiomanumag:

• policy: No Returns

offer radiomanumag:

• quantity: 1
• started: March 8, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0

payments radiomanumag:

• other
• credit card: Visa
• wallet: Google-pay

seller radiomanumag:

• city: Worcester, Massachusetts
• rating: 100.0%
• # reviews: 2632

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