EF JOHNSON 242-5277-810GB4 Radio Battery Antenna 51SL

( Brand: Ef Johnson ), ( Manufacturer Part Number: 242-5277-810GB4 ), ( Type: Radio )

Review EF JOHNSON Portable Radio Battery No Antenna

The EF Johnson 242-5277-810GB4 51SL Radio Battery Antenna is a versatile and high-performing accessory designed for use with EF Johnson TETRA two-way radios. This antenna is specifically engineered to provide optimal radio performance when using a battery pack, ensuring clear and reliable communications in various environments.

Measuring 6.3 inches in length, this antenna is compact yet robust, making it an ideal choice for on-the-go applications. It features a rugged SMA-female connector that can withstand harsh conditions and provides a secure connection to the radio. Moreover, it is constructed from high-quality materials that ensure durability and resistance to damage, ensuring long-lasting use.

The EF Johnson 51SL Radio Battery Antenna is designed to deliver superior radio coverage and signal strength. It is engineered to provide a broad radiation pattern, enabling effective communication in various directions. Additionally, it boasts a low-profile design, making it inconspicuous and less likely to snag or damage in rugged environments.

One of the key features of this antenna is its compatibility with EF Johnson TETRA two-way radios when using battery packs. It is specifically designed to provide a reliable connection and maintain optimal radio performance, even when using a battery pack. This makes it an indispensable accessory for users who require uninterrupted communication on the move.

In summary, the EF Johnson 242-5277-810GB4 51SL Radio Battery Antenna is a high-performing and versatile accessory designed for use with EF Johnson TETRA two-way radios. Its compact, rugged design ensures durability and reliability, while its superior coverage and signal strength provide clear and reliable communications in various environments. Whether you're in the field, on the move, or in a challenging environment, this antenna is an essential accessory for maintaining effective and uninterrupted radio communications.

The EF Johnson 242-5277-810GB4 51SL radio battery antenna is a detachable whip antenna designed for use with EF Johnson TETRA radios. Here are some pros and cons that may help you make an informed decision about purchasing this antenna:

1. Improved Signal Strength: This antenna can help increase the signal strength of your radio, resulting in better coverage and fewer dropouts.

2. Durable Construction: The antenna is made of high-quality materials, including a rugged 50 Ohm SMA connector, making it suitable for harsh environments.

3. Easy to Install: The antenna is relatively easy to install and can be quickly attached or detached from the radio.

4. Compatibility: This antenna is specifically designed for use with EF Johnson TETRA radios and is a popular choice among users of these devices.

5. Affordable: Compared to some other antenna options on the market, this antenna is relatively affordable, making it an attractive choice for budget-conscious buyers.

1. Limited Frequency Range: This antenna is designed for use with TETRA radios, which operate on a specific frequency range. If you use a different type of radio, this antenna may not be compatible.

2. May Not Provide Significant Improvement: Depending on the specific radio model and the surrounding environment, this antenna may not provide a significant improvement in signal strength.

3. Potential for Damage: Since the antenna is a detachable component, there is a risk of it being damaged during transportation or while in use.

4. Requires Additional Equipment: To get the most out of this antenna, you may need to invest in additional equipment, such as a radio programmer or an external power source.

In conclusion, the EF Johnson 242-5277-810GB4 51SL radio battery antenna can be a valuable addition to your TETRA radio setup, offering improved signal strength, durability, and compatibility. However, it may not be suitable for all radio users, and its potential limitations, such as the limited frequency range and potential for damage, should be considered before making a purchase. Ultimately, if you are looking for a reliable and cost-effective antenna solution for your EF Johnson TETRA radio, this antenna is worth considering.

Details:

EF Johnson 51SL Portable Radio 242-5277-810GB4 w/Battery No Antenna ITEM IS USED AND UNTESTED: MAY HAVE SIGNS OF COSMETIC WEAR DUE TO PRIOR USE. We proudly support the men women that serve to protect us, our country and freedom.

part #: 2425277810gb4 prices

• $43.99-$155.00

specifications walkietalkiesz:

• brand: Ef Johnson
• mpn: 242-5277-810gb4
• type: Radio

payments walkietalkiesz:

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

offer walkietalkiesz:

• sold: 0
• started: May 18, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general walkietalkiesz:

• Consumer Electronics > Radio Communication > Walkie Talkies, Two-Way Radios
• condition: Used

returns walkietalkiesz:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

seller walkietalkiesz:

• city: Houston, Texas
• # reviews: 78343
• rating: 99.1%

shipping walkietalkiesz:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• transit: 3-9 Days
• type: Fixed

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