Digital and Analog Remote Controlled Audio Transmission System

Applications:

• Close protection monitoring
• Law Enforcement, Intelligence agency
• Designed for hidden installations
• Ideal for body-worn applications
• Ideal for vehicle & long-term applications
• Indoor and outdoor surveillance operation
• Homeland Security

Features:

• 2 in 1 Analog and Digital Receiver with built-in recorder
• Active/Deactivate the transmitter by the Receiver
• Very small size transmitter, allow to be concealed in various items.
• High sensitivity of the microphone
• Digitally encrypted remote transmission

Waterproof Digital and Analog Surveillance Receiver with built- in Digital Recorder

• This is a combination of analog and digital receiver, recorder and remote controller in a weatherproof rugged housing.
• This receiver not only transmits voice from the listening devices but also can record all signal reception of listening devices or from internal microphone to microSD-card.
• In addition the receiver has built-in remote control to operate the digital transmitter.
• The Surveillance Receiver remembers user presets in 100 nonvolatile memory channels, so the frequency settings will notbe lost when the battery become exhausted.
• It is also compatible for operation with others NFM- and WFM- transmitters which are working in the same frequency range as it.

Features for Receiver

• Synthesized receiver
• Adjustable frequency step
• Signal Strength meter
• Scan memory channel function
• Battery save facility with Battery level indicator
• Easy to read backlit LCD
• Backlit LCD & Keypad
• Separate controls for volume, squelch & dial
• Separate controls for digital recorder
• Keypad Lock
• 3.5mm earphone socket
• 2.5mm audio output socket
• PIN protected recording, digital receiving and remote controller
• Built-in Remote Controller
• Built-in Microphone

Specifications for Receiver:

Analog Mode

• Frequency range in analog mode:400 - 465 MHz
• Frequency step:1/5/25/100/250 kHz
• Modulation:WFM, NFM
• Sensitivity WFM / NFM:-110 / -118 dBm

Digital Mode

• Frequency range:875 - 915MHz
• Sensitivity:-95 dBm
• Modulation:QPSK
• Frequency channel capacity:200

Remote Controller

• Frequency:ISM 915MHz
• Output Power:+27dBm

Recorder

• Recording medium:micro SD card(up to 2GB)
• Recording time:up to 40 hrs
• Records can be played on a PC(software for decryption is included)

General

• Memory channel capacity:100
• PIN protection:65000 combinations
• Audio output power:300mW
• Power supply:3.7VDC
• (Li-Pol battery,2000 mA/h)
• Operation time:up to 24 hrs
• Dimensions:126 x 67 x 41 mm
• Weight:220 g
• Charger:5V, 0.5A (USB)

Special Digital Mini Transmitter

Features for Transmitter

• Can do the following settings by remote control:
• Activate/Deactivate the transmitter
• Change frequency of transmitter
• Change output power of the transmitter
• Programmable 5-digit PIN to encode transmission and prevent from non-authorized listening
• Programmable 5-digit PIN to enable remote control
• 200 frequency channels
• Audio input for external microphone
• Battery low warning
• Built-in Frequency Synthesizer
• Built-in charging chip
• Small size
• Long time in Standby mode
• Designed for working with Digital and Analog Receiver

Specifications for Transmitter:

• Frequency of the transmitter(setting with remote control):875 MHz - 915 MHz
• Step of transmitter frequency setting by remote control: 200 kHz
• Output Power (setting with remote control):Low power:+10 dBm;High power:+20 dBm
• Modulation:QPSK
• Audio coding:nonlinear PCM
• Power Supply:3.6V (Li-pol battery 230 mA/h)
• Operation time:

   -Standby:> 2 months
   -TX low power:6 hours
   -TX high power:2 hours

• Antenna:70 mm
• Microphone:built-in, Knowles (optional - extension)
• Dimensions:48 x 23 x 12 mm
• Charger:5VDC, 500mA
• Charging time:< 90 min
   

• Digital Receiver
• Digital Mini Transmitter
• Adaptor for receiver
• Adaptor for transmitter
• USB Cable