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Caltta Technologies Co., Ltd.
Caltta Technologies Co., Ltd.
radio lte 4g
lte two way radio

GH900 Tri-mode Smart Radio

GH900, a DMR / LTE Trunking / PoC tri-mode large-screen smart radio for front-line users, minimizes the impact of signal coverage limitation with rich data services supported.

Features
Specifications
Accessories
Documents

Features of GH900 Tri-mode Smart Radio


  • Dual Display and Large Capacity Battery

  • GH900 has two screens. The main screen is used to operate the radio, and the shoulder screen shows key information about trunking calls. The 4000mAh battery can support a longer working life.


  • Specialized Audio Box Design 

  • The specially designed audio box containing a high-power loudspeaker and a powerful audio encoder provides loud and clear sound even in noisy surroundings.


  • Durable and Reliable

  • It complies with the IP67 standard and is well-designed for outdoor use. It meets military specifications against collision, vibration, and solar radiation.


  • Support DMR / LTE Trunking / PoC

  • GH900 supports DMR Tier Ⅱ/Tier Ⅲ, LTE trunking and PoC (Push-to-talk over Cellular) services. It can be used in either of these networks to maximize service coverage.


  • Extensive Supplementary Services 

  • GH900 supports lots of supplementary services and functions based on its smart OS and rich hardware features.




Specifications of GH900 Tri-mode Smart Radio


General

Network

DMR T2/T3

Private LTE

Public LTE/WCDMA/GSM/CDMA

Frequency

DMR

UHF1: 400-470MHz  UHF3: 350-400MHz 

Private LTE

TDD 1.8G(1785~1805MHz)

TDD B45(1447-1467MHz)

Public LTE

TDD:  B38/B39/B40/B41

FDD:  B1/B3/B5/B7/B8

WCDMA

B1

GSM

B2/B3/B5/B8

CDMA

BC0

Size(H*W*D)

150*68*27mm (Without Antenna)

Weight

About 390g (With Antenna and Battery)

Display

Main: 4.0 inch color LCD,800x480

Top:  0.9 inch B&W LCD

Keyboard

PTT, Power, Dial, Hangup, Programmable x 3, Android Function x 3, SOS

Battery

30.4Wh(4000mAh,7.6V)

Interface

18pin Connector(for USB,Audio and so on)

Battery Charging Connector

OS

Deeply Customized OS Based On Android 5.1

Chipset

Quad 2.3GHz processor

Memory(RAM+ROM)

3GB+128GB

External Memory

Support TF, Up to 128GB

Camera

Rear  : 13M Pixels, with flash, AF, CMOS

Front : 13M Pixels, CMOS

Bluetooth

BT 2.1+EDR/4.0

WLAN

WiFi 802.11b/g/n, 2.4G, Support WiFi Hotspot

Location

GPS and AGPS

NFC

Support

Speaker

Front: 30*40mm Professional Speaker

Mic

Support Noise Reduction with Multi Mic

Sensor

Gravity, Distance, Light, Gyroscope, Geomagnetic

OTG

Support

Card Slot

SIM x 2, TF x 2

Charging

Desktop Charging Cradle

Multi Media

Photo

Jpg , 3120*4208 max

Video

3GP , 1080P,30fps max

Record

AMR

Audio format

MIDI/AMR/MP3/AAC+/QCP/WAV/WMA

Video format

MP4/H263/H264/3GP , 1080P,30fps max


DMR Receiver


Sensitivity(Analog)

0.22uV(12dB SINAD)

Sensitivity(Digital)

0.22uV (5% BER)

Adjacent Channel Selectivity

60 dB@12.5KHz/70 dB@20/25KHz (TIA603A) -1T

45dB@12.5KHz /70 dB@20/25KHz (TIA603D) -2T

60dB@12.5KHz /70 dB@20/25KHz ( ETSI )

Intermodulation

70 dB (TIA603D)

65 dB (ETSI)

Spurious Rejection

70 dB (TIA603D)

70 dB (ETSI)

Blocking or Desensitization

80dB(TIA603D)

84dB(ETSI)

Co-channel Rejection

-12~0 dB @12.5KHz/-8~0 dB @20/25KHz

Hum and Noise

-40 dB@12.5KHz /-43 dB@20KHz /-45 dB@25KHz

Rated Audio Power

0.5W

Max Audio Power

2.0W

Audio Distortion @ Rated Audio

≤3% (Typical)

Audio Response

+1~-3dB (TIA603D)

Conducted Spurious Emission

-57 dBm (TIA603D)


DMR Transmitter


Low Power Output

1W

High Power Output

4W

FM Modulation

12.5KHz: 11K0F3E / 20KHz: 14K0F3E / 25KHz: 16K0F3E

4FSK Digital Modulation

12.5KHz Data Only: 7K60F1D&7K60FXD

12.5KHz Voice Only: 7K60F1E&7K60FXE

12.5KHz Voice And Data: 7K60F1W

Conducted/Radiated Emission

-36dBm ≤1GHz ; -30dBm >1GHz

Modulation Limiting

±2.5KHz @12.5KHz /±4KHz @20KHz /±5.0KHz @25KHz

FM Hum and Noise

-40 dB@12.5KHz /-43dB@20KHz /-45 dB@25KHz

Adjacent Channel Power

60 dB@12.5KHz /70 dB @20/25KHz

Audio Distortion @ Rated Audio

≤3% (Typical)

Audio Response

+1~-3dB(TIA603D)


Environment


Operating Temperate

-20℃ — +60℃

Store Temperate

-40℃ — +85℃

ESD

IEC 61000-4-2 (level 4) ±8kV ( Contact ) ±15kV (Air )

Water and Dust Proof

IP68

Reliability

MIL-STD-810 C/D/E/F/G


Accessories of GH900 Tri-mode Smart Radio

Standard
4000mAh Li-ion Battery
4000mAh Li-ion Battery
Antenna
Antenna
Belt Clip
Belt Clip
Desktop Charger
Desktop Charger
Hand Rope
Hand Rope
Power Adapter
Power Adapter
Optional
Bluetooth Headset
Bluetooth Headset
Bluetooth PTT
Bluetooth PTT
C Style Earpiece
C Style Earpiece
Data Cable
Data Cable
8-way Charger
8-way Charger
Remote Microphone
Remote Microphone
Transparent Tube Earpiece
Transparent Tube Earpiece
Vehicle Power Adapter
Vehicle Power Adapter

Document Download of GH900 Tri-mode Smart Radio



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Get in Touch with Caltta

Ready to Talk to One of the Caltta Experts?


Tel: +86-755-86556659

E-mail: sales@caltta.com

Address:

12F, Building G2, International E-City, Nanshan, Shenzhen, China

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