Waterproof microphone- speaker for IC-A16 and IC-A16B
- Brand / Vendor: ICOM
- Hardware Model / MPN: HM-240
- Condition: 100% Brand New, Factory-Sealed Commercial Gear
- Category: Networking & Telecom Infrastructure
- Fulfillment Origin: Dispatches from Texas & Florida distribution hubs
- Binational Availability: Commercial procurement ready for USA and Mexico
The HM-240 is a waterproof microphone-speaker designed for use with ICOM IC-A16 and IC-A16B portable transceivers. It integrates microphone and speaker in a compact unit with IP67/IP54 rating, enabling operation in rain, dust, and demanding environments. Complies with military standard MIL-STD-810G for shock and vibration resistance. Includes 3.5 mm 3-conductor external speaker connector and supports optional OPC-2401 adapter for extended configurations. Intended for pilots, ground operators, and aviation personnel requiring reliable communication in open-field conditions.
Main Features
- Integrated microphone and speaker in compact design
- IP67 (submersible) / IP54 (dust and splash) protection
- MIL-STD-810G compliance for severe conditions
- External speaker connector: 3.5 mm, 3-conductor
- Compatible with optional OPC-2401 adapter
- Dedicated operation for IC-A16 and IC-A16B transceivers
Performance and Protection
- IP67 rating: protection against temporary water immersion
- IP54 rating: protection against dust and water splashes
- MIL-STD-810G standard: resistance to severe environmental conditions
- External speaker connector: 3.5 mm, 3-conductor
Compatibility and Accessories
- Compatible transceivers: ICOM IC-A16, IC-A16B
- Optional adapter: OPC-2401
Typical applications: general aviation, airport ground operations, flight schools, aircraft maintenance in hangars and ramp areas.
• Free Ground Shipping: Automatically applied to all orders of $500.00 USD and above across the 48 Contiguous United States.
• Same-Day Dispatch: Orders placed before 2:00 PM CST (Mon–Fri) dispatch the same business day from our Texas & Florida distribution hubs.
• Carrier & Transit: UPS Ground / FedEx Ground (typically 2–5 business days).
• 100% Genuine Gear: Brand new, factory-sealed hardware directly sourced via authorized manufacturer channels.
• Full Factory Warranty: Covered by standard manufacturer warranty and RMA replacement support.
• 30-Day Hassle-Free Returns: Unopened and factory-sealed equipment eligible for return within 30 days of delivery.


