Cordless PTT DECT Handset POLY CA22CD‑SC 1880–1900 MHz PJ‑7 for wireless voice communications

POLY CA22CD‑SC is a cordless PTT DECT handset that operates in the 1880–1900 MHz frequency band and features a PJ‑7 connector for wired audio accessories. Designed to provide instant push‑to‑talk voice communication, the handset supports on‑site team coordination and professional PTT workflows in environments where reliable, low‑latency voice is required.

Advantages

The DECT frequency range ensures clear, interference‑resistant voice transmission for short‑range enterprise environments. The cordless design offers mobility and quick access to PTT functionality, while the PJ‑7 connector enables compatible headsets or external microphones to be attached for improved ergonomics. The unit's focused feature set supports rapid one‑button communication, reducing setup complexity and enabling straightforward integration into existing DECT PTT systems.

Suitable for

• Facility management teams requiring immediate voice coordination
• Security personnel and patrol teams in buildings and campuses
• Warehouse floor staff and logistics operators
• Event staff and on‑site operations needing quick PTT communication

Key specifications

• Wireless standard: DECT, operating band 1880–1900 MHz
• PTT (push‑to‑talk) handset form factor for instant voice transmission
• Connector/interface: PJ‑7 for headset or wired audio accessories
• Cordless handset design for mobile, on‑site use
• Intended for professional voice communications and team coordination

How to use

Pair the handset with a compatible DECT base station or PTT system configured for the 1880–1900 MHz band according to the system vendor instructions. Attach a compatible PJ‑7 headset or audio accessory if hands‑free operation is desired. Use the dedicated push‑to‑talk control to open a voice channel and speak; release the control to listen. Follow site policies for channel assignment and radio etiquette to maintain clear communications among team members.

Recommendations

Place the handset charger or base station in a central location to maximize coverage and battery availability. Use certified PJ‑7 accessories for reliable audio quality and secure mechanical connection. For critical operations, verify local DECT band licensing and coordinate channel planning to minimize interference with other radio systems.