A-518T



A-518T is a smart size DMR Radio withkeypad and screen in dual mode of digital and analog.

The TDMA 2 time slots at direct-mode cansave frequency occupation and registration fee for customers. Itssuper high cost performance can be called No.1 in the world.Meanwhile, A-518T isCompatible with Mototrbo in Tier II, and its high Quality is asMotorola.


Features
Specifications
Accessories
Features

Keyboard and LCD

Messages can besent and received by it.

Noise-freeclear voice

Advanced digital audio decoder and digital audio errorcorrection technology. 40mm diameter loud speaker ensure clear voice in noisysituation.

TDMA 2Time Slots at Direct-Mode.

TDMA allows two simultaneous conversations within a 12.5 kHzchannel without any interference, which saves cost invested to frequencylicenses and repeater systems.

Bettercompatibility.

A-518Tis compatible with Mototrbo DMR Tier II.

Accuratebattery power annunciation

New designed battery capacity annunciating system can broadcast thebattery capacity from 1 to 5. Let usersknow current battery capacity,avoiding any inconvenience caused by low battery in daily use.

Dual mode(Analog & Digital)
Analog & Digital mode adjustable, this is to meetdifferent communication requirements.

Digitalsignaling.
Support DMR standard single, group and all calling. Killing and other functions are also available.

Long-lastingservice time

With TDMA technology, A-518T enhances 40% service time more thanAnalogue Radios. 1600 mAh battery ensures long timeservice.

Certificates

CE, FCC, MIL-STD-810 C/D/E/F/G


Specifications

General

Frequency Range

VHF136-174 MHz

UHF400-470MHZ.  440-480 MHz. 350-390MHz

Channel  Numbers

  256CH

Channel Range

  25 kHz/12.5 kHz

Working Temperature   Range

  -25°C~60 °C

Working Voltage

  7.4VDC

LCD Resolution Ratio

   128×32

LCD Size

   10×32 mm

Antenna Impedance

  50

Speaker  Impedance

  2.2K

Battery

  Li-ion DC7.4V 1600mAhstandard configuration

7.4V  1200mAh Optional configuration

SizeL*W*H

 104.5mm×52mm×33.5mm

Weight

 138g (Only Transceiver ) / 232g (Transceiver with Battery  and Antenna)

RX Specifications

Sensitivity (12dB SINAD)

 25K-121dBm    12.5K-119dBm

SNR

 25K45 dB      12.5K40 dB

Adjacent  Channel Selectivity

 25K65 dB      12.5K60 dB

Intermediation  Disturbance Rejection

 25K60 dB      12.5K55 dB

Spurious  Response

 ≧65 dB

Audio  Output Power

 ≧1000 mW

Digital  Sensitivity

0.3μV/BER5%

Audio  Distortion

 ≦ 5%

Frequency  Stability

 ±2.5ppm

stand-by  Time

40 hours1600mAh

TX Specifications

RF  Power

  H4 W     L1.5 W

Modulation

  25K/16KΦF3E   12.5K/8KΦF3E

4FSK Digital Modulation

12.5KHZ  Date 7K60FXD  12.5KHZ Date plus Speech  7K60FXW

Digital  Speech Encoder

AMBE++  or SELP

Digital  Protocol

ETSI-TS102  361-1,-2

Noise  and Harmonic

 ≧ 70 dB

Residual  FM

  25K-45 dB     12.5K-40 dB

Audio  Distortion

 ≦5%

Frequency  Stability

 ±2.5 ppm

Max  Frequency Deviation

25K5 kHz      12.5K2.5 kHz


Accessories

Standard Accessories


                                            



Optional Accessories