Full specification

VideoPTT (code named PTT4WIFI Rev A18)


Physical

Dimensions without antenna: 130x70x40 mm
Display working area size: 45.36x75.60 mm
Weight with battery installed: 485g.
Housing material: ABS plastic
Rubber spacers: 50A SHORE

Electrical

Central processing unit: TI OMAP 3530 SoC
Max. CPU frequency: 600 MHz
SDRAM: 256 MBytes
NAND: 128 MBytes
Display resolution: 480x800 (RGB24)
Frontal camera resolution: 640x480
Main rail voltage: 4.8V
Battery pack: 2x4x1.2V (8 AA)
Current consumption:
sleep mode: 150 mA
active mode: 350 mA
during TX over PTTLINK: 1.2 A
during TX over WiFi: 600 mA
GNSS receiver: Navis NV08M-CSM
Navigation signal: GLONASS, GPS, COMPASS, GALILEO
Removable storage for keys and media: microSD, 32 GBytes max.
Peripheral interface: USB 2.0 miniAB (5 pins)


Radio frequency

Transciever IEEE 802.11a/b/g "WI-Fi"
Central frequency: 2.45 GHz
Receiver sensitivity: -88 dBm
Transmitting power: 20 dBm (100 mW)
Range: 180 m
Transciever "PTTLINK" sub-1GHz
Central frequency: 869 MHz
Band width (-30 dB): 400 kHz - 1.8 MHz depending on selected modulation mode
Receiver sensitivity: -90 dBm
Transmitting power: 10 dBm (10 mW) - 30 dBm (1W), programmatically controlled
Range:
voice only: 2500 m
voice and video: 900 m

 

Software

OS Linux Kernel: 2.6.32
Symmetrical cypher: AES 128 bit (GOST 28147-89 coming soon)
Digital signature (DSA): RSA 384 bit (GOST R 34.10-2001 coming soon)
User interface: graphical, based on touch input