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Caltta Technologies Co., Ltd.
Caltta Technologies Co., Ltd.
GH900 radio lte 4g
GH900 lte two way radio

Caltta GH900 Dual-mode Smart Radio

GH900, a DMR / PoC Dual-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 Dual-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, 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 Dual-mode Smart Radio


General

Private network LTE

DMR/Analog trunking and conventional mode 

Public network LTE/WCDMA/GSM

Frequency

DMR

UHF1: 400-470MHz 

Public LTE

TDD:  B38/B39/B40/B41

FDD:  B1/B3/B5/B7/B8

WCDMA

B1

GSM

B2/B3/B5/B8

Size(H*W*D)

150*68*27mm (with standard battery)

Weight

About 390g

Display

Main: 4.0 inch color LCD,800x480, glove operation

Top:  0.9 inch B&W LCD, 128x64

Keyboard

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

Battery

30.4Wh(4000mAh,7.6V)

External Interface

18pin waterproof contact interface (for USB2.0, audio, serial port)

OS

and secure OS (based on Android)

CPU

Quad-core 2.3GHz processor

Memory(RAM+ROM)

3GB+128GB

External Memory

Support TF, Up to 128GB

Camera

Rear: 13M Pixels, auto focus, CMOS, with flash

Front: 13M Pixels, fixed focus, 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

Public SIM x 1, Encryption x1, TF x 1

Charging

Desktop charger, high-power multi-unit charger

Multi Media

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)

0.18uV(12dB SINAD)

Sensitivity(Digital)

0.18uV (5% BER)

Adjacent Channel Selectivity

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

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

97dB(TIA603D)

94dB(ETSI)

Co-channel Rejection

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

Hum and Noise

40dB (Min)

Rated Audio Power

0.5W

Max Audio Power

2.0W

Audio Distortion @ Rated Audio

≤3% (Max)

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

40dB (Min)

Adjacent Channel Power

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

Audio Distortion @ Rated Audio

≤3% (Max)

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-810G


Accessories of GH900 Dual-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 Dual-mode Smart Radio



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Get in Touch with Caltta

Ready to Talk to One of the Caltta Experts?


E-mail: sales@caltta.com

Address:

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

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