J&R Technology Limited
A Safe Voice In Global Communications
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Anti-vandal Telephone Handset with Switch, PC Material Phone Handset
Model Number: JR-HK-03
FEATURES
- Handset handle and cap material: PC/ABS
- Handset type: Standard Receiver
- Wiring: Six 24 gauge insulated wires (2 for receiver, 2 for transmitter, 2 for push button)
- Includes cord which is anchored to handset handle. The cord has a pull test load of approx. 200 kgs
- Available Cord Lengths: 30 cm (could be customized)
Handset Microphone specification
| Item: | Electret Condenser Microphone |
| Model Number: | Microphone SG9070 |
| Frequency range | 100－8000Hz |
| Sensitivity | 56±2 dB |
| Output Impedance | Low Impedance |
| Directivity | Unidirectional |
| Standard operation voltage | 4.5V |
| Sensitivity reduction | Within -3dB at 1.5V |
| Current consumption | Max 0.5mA |
| Operation Temperature | -30℃ to +70℃ |
| Storage Temperature | -40℃ to +85℃ |
| Weight | Less than 1.0g |
Handset receiver specification
| RECEIVER | ||
| Model Number: | R3518M150H | |
| ITEMS | SPECIFICATIONS | CONDITIONS |
| IMPEDANCE | 150 ± 20% ohm ( at 1 KHz,60mV input ) | |
| SOUND PRESSURE LEVEL | 97 ± 3 dB SPL ( at 1 KHz, 0dBSPL = 20μPa ) Input 60mVrms, with B&K artificial ear 4153 | |
| INPUT POWER (NOM./MAX.) | 0.03W /0.25W 0.03W / 0.25W | |
| HARMONIC DISTORTION | ≤5% | 300＜f≤3400Hz |
| OPERATING TEMPERATURE | -30°C to +70°C | |
| NET WEIGHT | APPROX. 35.0gram | |
Drawing
