Specification :

.GP328 handheld walkie talkie, two way radio, transceiver, 2.interphone
3.Channel: 16
4.Maximum talk Range: 8km

Standard VHF / UHF

* Frequency (MHz) 136-174 / 330-400 / 403-470 / 450-527

Signal quantity GP328 Plus 16 signal channel GP338 Plus 128 signal channel

Power 7.5 V

Figure size high x wide x deep
Use thin lithium battery 101.5mm x 55.5mm x 30.5mm
Use high volume lithium battery 101.5mm x 55.5mm x 35.5mm

Weight GP328 Plus GP338 Plus
Use thin lithium battery 250gM 265gM
Use high volume lithium battery 270gM 285gM

Average lifetime of battery(5-5-90 working circle)
Low power High power
Use thin lithium battery 10 hours 7 hours
Use high volume lithium battery 14 hours 10 hours

Seal up under the Military Standard 810CD and E; pass the IP 54 rain check

Shock and vibration
machine crust of press prevention is under the Military Standard 810CD and E
and TIA / EIA 603

Dust prevention and humidity
machine crust of press prevention is under the Military Standard 810CD and E
and TIA / EIA 603

Transmitter
Standard VHF / UHF

Frequency (MHz) 136-174 / 330-400 / 403-470 / 450-527

Frequency interval subsections in whole frequency

Signal channel interval 12.5 / 20 / 25 kHz

Frequency stability (~30-60, with standard of + 25*)
2.5 ppm

Power 5W (VHF) 4W (UHF)

Modulation limit ¡À2.5/12.5kHz, ¡À 4.0/20kHz, ¡À5.0/25kHz

FM alternating sound and noise -40dB

Conduct radiation -36dBm 1 GHz

Modulation FCC 12.5 kHz 11K0F3E, 25kHz 16K0F3E

Audio frequency response
(300-3000Hz, 6dB / oct pre-putting weight) +1 ~ -3dB

Audio frequency distortion 3%

Receiving Machine

Standard VHF / UHF

Frequency (MHz) 136-174 / 330-400 / 403-470 / 450-527

Signal channel interval subsections in whole frequency

Sensitivity (12dB SINAD) EIA 0.25µV

Intermodulation (EIA) 70dB

Sensitivity of neighbouring signal channel 70dB@25kHz

Mess control 70dB

Audio frequency output 500mW

Audio frequency distortion 3%

Alternating current sound and noise -40dB

Audio frequency response (300-3000Hz) +1~-3dB

Conduct mess radiation -57dBm 1GHz, FCC Part 15