Elite business walkie-talkie all-pass CT - 558

 

Product features:

* 5 w rf output power 1 w (optional)

* 16 channel

* frequency range: 400-470 MHZ

* look vigorous and connotation of the professional, under control

* pressure expansion noise reduction function

* / English speech

* voice encryption

* emergency alarm function

* whisper function

* voice control function

* CTCSS/CDCSS signaling

* width (25 KHz / 12.5 KHz) optional

* full frequency design, wide frequency range

* DTMF sending Settings (PTT ID/ANI) function

* battery management

* power protection function

* button automatic locking function

* emission limit (TOT)

* cable replication

* computer (PC) write frequency function

 

* voice encryption

 

 

* other functions

 

Acoustic emission

Lock detection

DTMF sending set

scanning

Mute function

The audio (CTCSS), and the tone of digital (CDCSS)

Empty channel tip

The cable copy

* channel number 16 (15 + S)

* channel spacing 25.0 kHz (wide) / 12.5 kHz (narrow)

Plus or minus 2.5 PPM * frequency stability

* working temperature ℃ to 25 ℃ ~ + 55 ℃

* 50 Ω antenna impedance

* 2500 mah lithium-ion batteries

* working voltage 7.5 V

* reliability requirements in line with the GB/T15844-1995 standard

* rf output power UHF: VHF 4 w / 1 w: 5 w / 1 w

* audio distortion of 5% or less

* reference 0.15 uV sensitivity (wide) / 0.18 uV (narrow)

* adjacent selective 65 db (wide) / 55 db (narrow)

* 55 db intermodulation interference resistance

* maximum audio output power acuity 0.8 w

* overall dimensions (length x width x height) 106 * 62 * 37 mm

* (machine), 230 g in weight

 

 

Intercom encrypted voice to launch out, the other party when received will only be normal listening radio voice encryption open voice, as long as gently press, let you in secret through words.

* pressure expansion noise reduction function

Adopt the advanced speech pressure expansion of noise reduction technology, can improve the call quality, reduce call background noise, make you free communication, decisive decision-making.

 

* whisper function

Even if the user in a tiny voice spoke into the mouthpiece, the other can still receive clear and loud voice.

 

* battery query function

Speech existing to the battery, respectively, in the high power, power, low power, please charge, let you know the battery remaining power anytime and anywhere.

 

* high and low power conversion function

According to the environment of use interphone, power can be set separately for different channel work. Among them, the high power is 5 w, low power of 1 w.

 

* monitoring function

Can listen to normal operation is difficult to hear when the weak signal, and can when no signal, cooperate with the power switch/volume knob to adjust the size of the volume.

 

* emergency alarm function

 

Emergency, can the alarm signals to the same radio channel, receives the alarm signal will be emitted by the radio. Send finished, the machine send out alarm sound.

 

* / English voice prompt function

Can get you through the working condition of the native voice prompt know the interphone.

 

* the battery power saving function

When the channel is busy or no operation time persists for more than 5 seconds, battery power saving function automatically start; To reduce power consumption.

 

* busy channel lock function

Can prevent other radio interference is using the same channel.

 

* emission limit (TOT) function

To prevent a single radio for a long time to take up a particular channel, at the same time avoid intercom damage due to long time continuous emission.

 

* wide/narrow band setting function

According to different access control within the scope of the programming, can be set up, one by one channel respectively in 25 Khz to 12.5 Khz channel interval is used.

 

* power protection function

In normal use or repair the machine, the work due to improper power supply voltage is lower than the normal power or higher than the interphone, the range of power supply in the interphone will be launched to ban.