The Signal 21 speaker microphone is made to withstand all types of use; public safety, first responders, security, schools, special event staff and more. The Signal 21 microphone has been manufactured using the highest quality specifications to be water, wind dust and impact resistant. The radio connector cord includes a ,b>strand of Kevlar ® to insure durability and reliability. The heavy-duty strain relief means longer service and less down time.

The Signal 21 attaches to the shirt or jacket using the sturdy swivel metal clip that can be attached in any position. A covered audio jack allows conversations to be diverted directly to you ear using any of our listen only earpieces.

The Signal 21 microphone weights in at only 3.6 ounces, yet provides tremendous durability and fits perfectly into the palm of your hand.

The Signal 21 is available with radio connectors for nearly all Motorola, Kenwood, Vertex and Icom radios.

The M connector is compatible with the following radio models.

Motorola: BPR40, CLS series, CP88, CP100,CP110, CP125, CP150, CP200, CP300, CT150, CT250, CT450, CT450LS, DTR series, EP450, GP2000, GP300, GP308, GP350, GP68, GP88, GTI, GTX LTS2000, PR400 P040, P080 P110, P1225, P1225LS P200, PRO3150 SP10, SP21, SP50, N446, XTN500, XTN600 XU4100 XV1100, XV1400 XV2100 Xu1100, 2100, 2600 VL130, 50, Bearcom BC120, 130