Icom 3G-OTH-391110 — Technical Specifications

Name: Icom 3G-OTH-391110 ICOM Listen-Only Earpiece: Fits Icom, Ear Hook, Clear, 3.5 mm Std (MPN SP-AT1). Key specifications — Connector Type: 3.5 mm Standard; Compatible Radio Series: F4400D; Push To Talk: No; Manufacturer Part Number: SP-AT1; Brand: ICOM.
Brand: Icom

The ICOM Listen-Only Earpiece (MPN SP-AT1) is a clear, ear-hook style accessory designed for use with ICOM F4400D series radios. It features a 3.5 mm standard connector and does not include a push-to-talk function, providing discreet audio monitoring.

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Technical Specifications

Parameter	Value
Brand	ICOM
Push To Talk	No
Connector Type	3.5 mm Standard
Compatible Radio Series	F4400D
Manufacturer Part Number	SP-AT1