The Alinco EA-228 dual-band VHF/UHF replacement antenna is a commercial-grade, high-integrity RF radiator precision-engineered to restore optimal transmission efficiency and peak signal reception to handheld transceiver fleets. Operating across a comprehensive dual-band footprint spanning 136 MHz to 174 MHz (VHF) and 400 MHz to 470 MHz (UHF), this factory-authorized accessory is fine-tuned to eliminate standing wave impedance mismatches across digital mobile radio (DMR) networks, commercial LMR bands, public safety frequencies, and amateur radio channels. It serves as an essential logistics procurement component for security personnel, emergency response units, industrial site dispatchers, and high-volume B2B radiocommunication hardware wholesale distribution networks looking to replenish high-wear tactical terminal infrastructure.
The advanced mechanical architecture of this flexible whip is optimized for heavy daily usage in punishing operational environments. It features a robust, molded outer sheathing that protects the internal radiating element from structural stress, impact bends, and moisture infiltration. For seamless terminal pairing, the base is outfitted with a standard SMA female connector interface, ensuring an airtight, low-loss RF coupling flush against the radio’s chassis rails. Custom-contoured as the authentic factory replacement part for the Alinco DJ-MD5 series handheld walkie-talkies, this 17 cm whip guarantees immediate technical system alignment, tool-free field replacement, and total multi-shift deployment readiness.
| Technical Specification Parameter | Specifications |
|---|---|
| Product Brand Designation | Alinco (Original Equipment Manufacturer Line) |
| Hardware Model Designation | EA-228 Dual-Band Replacement Antenna Assembly |
| Primary Component Classification | Flexible Dual-Band VHF/UHF Handheld Transceiver Whip Antenna |
| Operational Frequency Windows | VHF: 136 MHz – 174 MHz | UHF: 400 MHz – 470 MHz Continuous Tuning Scope |
| Primary RF Interface Connection | Standard SMA Female Chassis Socket Fitting |
| Radiation Propagation Field | 360° Omnidirectional Uniform Coverage Matrix |
| Total Physical Radiator Length | 17 cm Vertical Profile Height |
| Net Operational Component Mass | 18 grams Lightweight Ruggedized Design |
| Verified Hardware Compatibility Scope | Alinco DJ-MD5 Handheld DMR/Analog Transceiver Series |
| Primary Fleet Utility Purpose | Turnkey handheld radio antenna replacement, fleet wear recovery, transmission pattern optimization, and core wireless infrastructure protection |