Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11am Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The SHS1890 Push-to-Talk 6 Wire from Plantronics comes compatible with the H-Series headsets and features a carbon type microphone amplifier, PJ-7 connector, and selectable switch operation (momentary or locking modes).
Allows the use of any H-series headset top in 6-wire controller and dispatch operations
Push-to-talk switch with selectable locking or momentary operation
PJ-7 (equivalent to WE-425) connector
10 ft / 3 m cord length
Table of Contents
10 to 120 mA dc
Output Level: -23.5 ± 5 dbV (37.6 to 119 mV RMS)
Frequency Range: 300 to 3300 Hz
Distortion: < 5%, 300 to 3300 Hz
DC Resistance: > 35 ohms
Impedance: 50 ohms
Terminal Voltage: 2.3 Vdc @ 10 mA; 5.0 Vdc @ 100 mA
Downward Expander Depth: 12 dB
10' / 3.0 m
32 to 122°F / 0 to 50°C
-40 to 151°F / -40 to 66°C
Solid-state limiting device across the receiver transducer