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Caltta Technologies Co., Ltd.
Caltta Technologies Co., Ltd.
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Caltta GH900R Narrowband DMO & Private LTE Dual-Mode Radio

Features
Specifications
Accessories
Documents

Features of GH900R Narrowband DMO & Private LTE Dual-Mode Radio


  • Exquisite and Portable

Only 380g in weight (including 4000mAh high‑capacity battery and antenna) and 27mm in thickness. GH900R is easy and comfortable to hold, with the belt clip, it can be held or hung on the waist.


  • Professional Industrial Design

GH900R provides simple operation method with a 4.0‑inch main screen, a 0.9‑inch secondary screen for information display, a big‑size key, a knob, and also smart applications.


  • High‑resolution Cameras

The front and rear cameras are both 13MP, helping capture clear, stable videos and sharp photos anytime, and supporting high‑quality, efficient video PTT services.


  • Dual‑mode Design

GH900R features dual‑mode operation: narrowband DMO & broadband private LTE. Certified by national authoritative testing institutions, it delivers powerful professional intercom performance and excellent compatibility, enabling flexible on‑demand connectivity.


  • Professional Audio

Featuring triple‑MIC noise reduction, a built‑in 2W high‑power speaker and a professional front sound chamber, the GH900R ensures loud, clear audio in all environments.


  • Durable and Rugged

Compliant with IP68 and MIL‑STD 810G standards, the GH900R withstands water, dust and multiple drops, maintaining stable performance in extreme conditions.


Specifications of GH900R Narrowband DMO & Private LTE Dual-Mode Radio


General
Network SupportPrivate network LTE
Narrowband DMO
Frequency BandPrivate network LTE:
TDD 1.8G(1785~1805MHz)
TDD 1.4G(1447~1467MHz)
DMO:400
470MHz
Dimension (HxWxD)150×68×27mm (excluding antenna)
WeightAbout 380g (with antenna)
Maximum Tx power28±2dBm
Display4.0inch highdefinition LCD, 800×480, supports glove operation
KeyPTT key, power key, dial key, hangup key,
programmable physical keys ×3, Android virtual keys ×3, SOS key
Battery30.4Wh (4000mAh, 7.6V)
Charge and discharge cycles: 500 cycles
(Retention: ≥80%) at 0.5C
External Interface18pin waterproof contact interface
(supporting USB2.0, audio, serial port)
Operating SystemDeeply customized intelligent security operating system (based on Android 13)
CPU6nm highperformance octacore processor
Memory (RAM+ROM)6GB+128GB
Camera HeadRear camera: 13MP, supports 1080P/25FPS camera, auto focus and auto white balance, CMOS, with flash
Front camera: 13MP, fixed focus, CMOS, supports VGA/1080P/25FPS video recording
Bluetooth6nm highperformance octacore processor
WLANWiFi 802.11b/g/n,2.4G/5G
NFCSupport 13.56M
PositioningGPS
LoudspeakerFront 30x40mm professional diaphragm speaker
MicrophoneSupport multimicrophone noise reduction
SensorGravity, proximity, gyroscope, light, geomagnetic
OTGSupport, expandable USB drivefree camera and other devices
Card HolderPrivate network SIM card holder x1,
TF memory card holder x1
Charging MethodDesktop or multiway charge
Interface LanguageEnglish/French/Portuguese/Chinese
Environmental
Operating Temperature-20℃~+60℃
Storage Temperature-40℃~+85℃
ESDIEC 6100042 (level 4)
±8kV (contact discharge)
±15kV (air discharge)
Dust and Water ResistanceIP68
ReliabilityMILSTD810G


Accessories of GH900R Narrowband DMO & Private LTE Dual-Mode Radio

Standard
Hand Rope
Hand Rope
Belt Clip
Belt Clip
Antenna
Antenna
4000mAh Battery
4000mAh Battery
Desktop Charger
Desktop Charger
Power Adapter
Power Adapter
Optional
Programming Cable
Programming Cable
3000mAh Low-temperature Battery
3000mAh Low-temperature Battery
Types of Earpieces
Types of Earpieces
Remote Speaker
Remote Speaker
Types of Cameras
Types of Cameras

Document Download of GH900R Narrowband DMO & Private LTE Dual-Mode 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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