Call for Availability JPL Scout 3100 DECT Push-to-Talk PTT Wireless Amplifier is the alternative for the users of the Poly CA22CD-SC as it is still a wireless PTT (push-to-talk) headset single channel with a PJ-7connector. The JPL Scout 3100 offers ergonomic design thanks to its trigger with pistol design. The LED indicator allows to alert user when the microphone is alive or muted, and offering next generation battery design that keeps audio live and connected, allowing to swap batteries in middle of calls. Offering support on both analog and USB interfaces, belt clip and compatible with JPL and HP/Poly QD headsets. JPL providing "British Designed" products aiming to ensure high-quality, tailored solutions. Jabra QD compatible (made to order). Key Features: USB and PJ-7 (dual prong) connectivity TAA complaint Poly/HP QD headsets compatible. Jabra QD compatible (custom made) Talk time up to 9 hours Wireless roaming of up to 500 ft on DECT Pistol Grip design Two rechargeable batteries offering 8-10 hours per charge DECT Security Step C Encryption Status Indicator, offers visual cues for easy identification Thumb wheel speaker volume control