MOTOROLAMotorola-Compatible Antennas

MOTOROLA Antenna: Stubby, Fits Motorola, For EVX-S24, UHF, 400 MHz to 420 MHz

The MOTOROLA Antenna: Stubby is a Motorola-compatible antenna designed for the EVX-S24 radio. It operates in the UHF band from 400 MHz to 420 MHz, has a 2-inch overall length, and comes in black (MPN AAM28X501 ATU-21AS).

SKU 3G-OTH-417692

Also listed as: AAM28X501ATU21AS · AAM28X501 ATU 21AS · AAM28X501-ATU-21AS

Brand

MOTOROLA

Item

Antenna: Stubby, Fits Motorola, For EVX-S24, UHF, 400 MHz to 420 MHz

Local availability & support — the Philippines

Delivery: 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment: Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to: Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MOTOROLA

Manufacturer Part Number

AAM28X501 ATU-21AS 

Type

Fits Motorola, For EVX-S24, UHF, 400 MHz to 420 MHz 

Overall Lg

2 in 

Technical Documents

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MOTOROLA Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MOTOROLA Stubby Antenna used for?

This stubby antenna is designed for the MOTOROLA EVX-S24 portable radio. It operates in the UHF band from 400 MHz to 420 MHz, making it suitable for two-way radio communication in industrial, security, and public-safety applications where a compact, low-profile antenna is needed.

What are the specifications of the MOTOROLA Stubby Antenna?

The antenna is a UHF stubby type, compatible with the MOTOROLA EVX-S24 radio. It covers 400 MHz to 420 MHz, has a 2-inch overall length, and comes in black. The manufacturer part number is AAM28X501 ATU-21AS. It is a Motorola-branded accessory.

Where to buy the MOTOROLA Stubby Antenna worldwide?

3G Electric supplies the MOTOROLA Stubby Antenna (AAM28X501 ATU-21AS) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the MOTOROLA Stubby Antenna on an EVX-S24?

To install, align the antenna's threaded base with the radio's antenna connector and hand-tighten until snug. Do not overtighten. Ensure the radio is powered off during installation. For best performance, keep the antenna clear of metal obstructions. This is a standard replacement procedure for Motorola radios.

Used in

Common applications for MOTOROLA

Public safety dispatch — Motorola APX 1000/APX 4000 radios with PMLN6085A hard leather case for field officers

Warehouse logistics — Motorola CP series radios charged via PMLN6597 multi-unit charger for shift operations

Industrial facility maintenance — Motorola EVX-261 radios with AAE24X502 ATV-8B VHF antenna for extended range

Security patrol — Motorola SL3500e radios with PMLN7128A plastic belt clip for hands-free carrying

Event coordination — Motorola MOTOTRBO R7 radios with PMLN8086 headset for clear audio in noisy environments

Utility field service — Motorola SL7550e radios with PMAE4078B stubby antenna for compact communication

MOTOROLA Products

3G Electric supplies MOTOROLA motorola-compatible antennas. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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