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(HWD)			1506827mm (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