3-wire Surveillance kits for two way radios
EM-321040
Similar model:EM-330140C,EM-200140C,EM-320140C
Features:
. Kevlar reinforced cable
. Silent barrel Push-to-Talk(PTT) with clip
. D-Ring swivel earpiece,either left or right ear
. Designed for high level of covert communications.
Speaker Specification
Type | Transducer Moving coil dynamic speaker |
Impedance | 90Ω±15% @1KHZ |
Sensitivity | 110±3dB @1KHZ |
Resonance freq | (F0) 400HZ±20% |
Frequency respond | F0~5KHz |
Rated input power | 500mW |
Maximum input power | 800mW |
Microphone Specification
Sensitivity Range | -34 ± 2dB RL=2.2K ΩVs=3.0V(DC) 1KHz 0dB=1V/Pa |
Impedance Max | 2.2KΩ 1kHz (RL=2.2KΩ) |
Frequency | 20-20KHz |
Current Consumption Max | 0.5uA RL=2.2KΩ Vs=3.0V(DC) |
Operation Voltage Range | 1.0V-10V (DC) |
Max Sound pressure Level | 115dB S.P.L |
Packaging & Delivery
Packaging Details: | In box for earphone |
Delivery Detail: | within 7-10 days for 1-500pcs for earphone |
Our Services
1. Reply your enquiry in 24 working hours.
2. Experienced staffs answer all your questions in professional and fluent
English.
3. Customized design is available. OEM is welcomed.
4. Exclusive and unique solution can be provided to our customer by your our well-trained and professional engineers and staffs.
5. Special discount and protection of sales area provided to your distributor.
6. Do the best products and design the personalized items for our customers.
Our shipping:
We have steady logistics ,such as the DHL,UPS,TNT,EMS, they are safe ,steady ,cheap,
we have the much experience of this field ,most of the goods send to you from Hongkong to your city.
We can support the western union ,T/T ,papal ,and L/C payments term.