GH900 Dual-mode Smart Radio

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，800×480, glove operation Top:  0.9 inch B&W LCD, 128×64
  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