Professional Wireless Earpiece product Quality Sound for covert Communication
The professional covert earpiece is an micro wireless inductive receiver. Its featured by optimum anatomic design, top class construction quality and high quality sound/voice. It’s a part of covert communication equipment and is used in conjunction with an inductive module.
The applications of professional covert earpiece including covert operation, close and VIP protection. These tasks are with high risks. The professional covert earpiece could bring carriers easy and covert communication and complete tasks safely. That's why professional earpieces are widely used in many departments such as FBI, CIA, antiterrorism, security, television, films studio and so on.
Working Principle of Professional Covert Earpiece
Covert earpiece is reception equipment which is driven by electromagnetic induction. Cover earpiece is used in conjunction with radio frequency transmitters, such as interphone neckloop, mobile phone neckloop, and language training equipment etc.
Technique Specifications of Wireless Earpieces
| Specifications | TE03 Earpiece | TE04 Earpiece | |
| Frequency: | 300Hz ~ 3600Hz | 300Hz ~ 3600Hz | |
| Distortion Rate: | < 2% | < 2% | |
| S/N Ratio at 2KHz: | > 5KHz | > 5KHz | |
| Saturated Output (OSPL90dB): | 100 dB | 105 dB | |
| Peak Value: | < 45 dB | < 45 dB | |
| Relative Sensitivity Limit: | < 85 dB | < 85 dB | |
| Static Operation Current: | 0.60 mA | 0.60 mA | |
| Equivalent Bottom Input Noise: | 28 dB | 28 dB | |
| Dimension: | 3*7.8*13.5mm | 5*19*15mm | |
| Weight(no battery): | 0.8 gm | 1.0 gm | |
| Battery Type: | #337 Button Battery | #A10 Button Battery | |
| Battery Life: | 7 hours | 20 hours | |
| Receiver: | Eletromagnetic | Eletromagnetic | |
| Key Feature: | Volume Adjustable | Loud Voice |
