- Ring with adjustable volume and cadence - Hearing aid compatible amplified handset with thumbwheel volume control - Optional RC-4A for secure remote relay control, see DOD 582 - SIP compliant - PoE powered (class 1,
| Seller | Condition | Qty | Price | Location | Updated | Action | |
|---|---|---|---|---|---|---|---|
| Seller 1 — sign up to see | New | 1 | Sign up to see | Sep 26 |