COLLINS 505-4412-005 Radio Modulator MOD-5 AN/ARC-27

( Brand: Collins ), ( Manufacturer Part Number: 505-4412-005 ), ( Part Type: Radio ), ( Compatible Model: An/arc-27 ), ( Country Of Origin: United States )

Review COLLINS Radio Modulator An/arc-27

Introducing the Collins Radio Modulator Mod-5 (Part Number: 505-4412-005), a high-performance radio modulator designed to meet the needs of aviation communication systems, specifically the AN/ARC-27 series. This modulator is a crucial component in ensuring effective and reliable radio communications.

The Collins Mod-5 is a versatile, rack-mounted device that delivers superior modulation quality. It is engineered to provide a wide frequency range, extending from 250 Hz to 2,500 Hz, ensuring compatibility with a broad spectrum of aviation communication systems. The modulator's rugged construction is designed to withstand the demanding conditions of aviation environments, featuring a robust aluminum chassis and an easy-to-use front panel control interface.

The Mod-5 offers several key features that make it an essential choice for aviation applications. It provides adjustable modulation depth and selectable modulation waveforms, including AM, FM, and PM. These features enable precise control over the modulation characteristics, ensuring optimal communication performance. The modulator also offers built-in test and monitoring capabilities, including a peak power output meter and a distortion meter, allowing for easy troubleshooting and maintenance.

The Collins Mod-5 is designed to interface seamlessly with various communication systems. It features a standard SCA interface, which allows for easy integration with other communication equipment. In addition, it offers selectable power output levels, ranging from 1 to 10 watts, providing flexibility in power requirements.

This modulator is also known for its high reliability and robustness. It is designed to meet the stringent military standards for shock, vibration, and temperature extremes. The Mod-5 is built to last, ensuring minimal downtime and maintenance costs.

In summary, the Collins Radio Modulator Mod-5 (505-4412-005) is a high-performance, versatile, and rugged modulator designed for use in aviation communication systems, specifically the AN/ARC-27 series. It offers a wide frequency range, adjustable modulation depth, selectable waveforms, built-in test and monitoring capabilities, and easy integration with other communication equipment. Its robust construction and high reliability make it a reliable choice for aviation applications.

The Collins Modular 505-4412-005 Radio Modulator Mod-5 is a high-performance audio modulator designed primarily for military, aviation, and communication systems applications. This device enables the conversion of baseband audio signals to RF-modulated signals for transmission. Here's a list of some pros and cons that may help you decide whether this modulator is suitable for your An/ARC-27 system.

1. High-Power Output: The Collins Mod-5 can produce up to 15 watts of RF output power, making it an ideal choice for long-range communication systems.

2. Frequency Agility: This modulator can operate over a wide frequency range, allowing it to be used in various communication systems and applications.

3. Rugged Design: The device is built to military standards, ensuring it can withstand harsh environmental conditions and maintain optimal performance.

4. High Immunity to Interference: The Collins Mod-5 features excellent selectivity and rejection of unwanted signals, ensuring clear and reliable communications.

5. Versatile: The modulator can be used in various communication systems, including voice, data, and facsimile.

1. Complex Installation: The installation process for the Collins Mod-5 can be quite complex due to its modular design and high-performance capabilities.

2. Expensive: The Collins Mod-5 is a high-end device, and its price tag reflects the advanced technology and capabilities it offers.

3. Size and Weight: The modulator is larger and heavier than some other modulators on the market, which may make it less desirable for applications where size and weight are critical factors.

4. Limited Availability: The Collins Mod-5 is a legacy device, and spare parts and support may be difficult to find, leading to potential maintenance challenges.

In conclusion, the Collins Modular 505-4412-005 Radio Modulator Mod-5 is a versatile, high-performance device suitable for applications where long-range communication, ruggedness, and high power output are essential requirements. However, its complex installation process, high cost, size, weight, and limited availability may make it less desirable for some users. Ultimately, the decision to purchase this device depends on the specific needs and constraints of your communication system. If the pros outweigh the cons for your application, then the Collins Mod-5 could be an excellent investment. Otherwise, you may want to consider alternative modulators that better fit your requirements.

Details:

This has been stored for decades. Despite the absence of a warranty, this product is crucial component for maintaining performance your aviation radio system. The Collins Radio. Comes sealed in metal container, see pics.

Also has 829B tube. Modulator MOD-5 is a replacement part specifically designed for the AN/ARC-27 radio. Manufactured in the USA by Collins, this modulator is compatible with AN/ARC-27 model, ensuring a perfect fit and reliable function.

part #: 5054412005 prices

• $45.00-$149.99

specifications aviationpar:

• brand: Collins
• mpn: 505-4412-005
• part type: Radio
• compatible model: An/arc-27
• country of origin: United States

offer aviationpar:

• quantity: 1
• availability: In Stock
• started: June 3, 2026
• options: Ship-to-home
• sold: 0

shipping aviationpar:

• type: Calculated
• transit: 5-12 Days
• cost: $8.75
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

returns aviationpar:

• policy: No Returns

seller aviationpar:

• city: San Antonio, Texas
• # reviews: 159
• rating: 98.7%

general aviationpar:

• condition: New other see details
• Parts Accessories > Aviation Parts Accessories > Parts

payments aviationpar:

• credit card: Diners-club
• other
• wallet: Google-pay

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