Colsan offer a selection of the components required for building covert communication devices.
We have a wide selection of receivers, DSP, faceplates and telecoils, giving you the building blocks for a covert communication device. We also supply finished product in the form of covert earpieces and neckloops.
Below is a selection of receivers and microphones suitable for covert communication devices:
Miniature speakers (receivers) suitable for covert communication applications:
| Part Code | Sensitiv. | RDC | Imped. | Nom. | Dimensions (mm) | Notes | Data Sheet | ||
|---|---|---|---|---|---|---|---|---|---|
| 1000 Hz | drive level | L | W | H | |||||
| 26A005/8 | 106.5 | 24 | 50 | 0.10 Vrms | 5.3 | 3.1 | 2.6 | Excellent mechanical shock protection | |
| 41A007 | 95 | 55 | 76 | 0.15 Vrms | 5.00 | 2.70 | 0.98 | Smallest single receiver on the market | |
| 44A004 | 98 | 28 | 38 | 0.105 Vrms | 5.00 | 2.70 | 1.96 | Smallest dual receiver on the market | |
| 2315 | 104 | 1493 | 5900 | 0.35 mA MCM | 6.30 | 4.29 | 2.96 | Very robust | |
Miniature telecoils suitable for covert communication applications:
| Part code: | Type | Sensitivity@ 1kHz (dBV/0.1 A/m) | Equiv. noise (dB MFL) | Max lengt (mm) | Max length (inch) | Coat. | Remarks | Data sheet |
|---|---|---|---|---|---|---|---|---|
| TA 20 AD 01 | Active Telecoil | -49.5 | 30 | 4.8 | 0.189 | standard | EMI protected |
| Type | Sensitivity @ 1kHz (dBV/A/m) | Inductance (mH) | DC res. (Ohm) | Max. Ø (mm) | Max Ø (inch) | Max length (mm) | Max length (inch) | Coat. | Remarks | Data sheet |
|---|---|---|---|---|---|---|---|---|---|---|
| T 10 AA 01 | -55.7 | 275 | 2200 | 1.78 | 0.07 | 7.61 | 0.3 | standard | - |