Caltta DH500 DMR Portable Radio

Features of DH500 DMR Portable Radio

• Easy to Operate

  The big-sized PTT button and the double-knob design at the top bring easy operation.

• Analog and Digital Compatible

  Digital-analog conventional compatibility allows DH500 to quickly switch between digital and analog modes.

• Loud and Clear Voice

  Carefully optimized audio design, combined with an excellent audio encoder, ensures loudness and maximizes the fidelity of the voice. Even in a noisy environment, this DMR portable radio can accurately identify the caller and transmit the content clearly.

• Large Capacity Battery 

  With a 2500mAh large-capacity battery, DH500 can operate continuously for at least 20 hours in digital mode, meeting the needs of long work shifts.

• Reliable Quality

  IP67 protection level, suitable for outdoor work. Competent in various harsh working environments with shock, vibration, and solar radiation.

• Full Encryption

  Support 40/128/256bit basic private encryption to improve call security and avoid information leakage.

• Dispatching Services

  DH500 DMR base radio supports multiple dispatching services, such as registration, radio check, lone worker, and remote stun/revive to realize remote dispatching and meet daily work management needs.

• Rich Services

  Based on an excellent platform, DH500 provides abundant services, such as VOX, and roaming; it can be connected to the dispatch console for remote management; advanced services such as call recording are available on a request basis.

  Specifications of DH500 DMR Portable Radio

  General
  Frequency	UHF1: 400-470MHz VHF:   136-174MHz
  Channel Capacity	64*
  Zone Capacity	4*
  Channel Spacing	12.5KHz/20KHz/25KHz
  Frequency Stability	±0.5ppm
  Operating Voltage	7.4V
  Battery Capacity	2500mAh(standard)
  Battery Life	Analog: 16 Hours Digital: 20 Hours (5: 5: 90 working cycle, high power transmission)
  Size (H x W x D)	116.4×54.5×36.5mm (with 2500mAh battery, without antenna)
  Weight	275g (with 2500mAh battery and antenna)
  Screen	N/A
  Vocoder	AMBE++
  Layout	Top: volume/switch knob x1, channel knob x1 Side: PTT key x1, programmable key x2, SOS key x1
  External Interface	18-pin waterproof interface, support audio/programming
  Recording	Optional
  VOX	Support
  Roaming	Support
  Encryption	Support 40/128/256bit basic private encryption
  Transmitter
  RF Power Output (Low)	1W
  RF Power Output (High)	4W / 5W (VHF)
  FM Modulation	12.5KHz: 11K0F3E / 20KHz: 14K0F3E / 25KHz: 16K0F3E
  4FSK Digital Modulation	12.5KHz Data Only: 7K60FlD&7K60FXD 12.5KHz Voice Only: 7K60FlE&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@l2.5KHz /-43dB@20KHz /-45 dB@25KHz
  Adjacent Channel Power	60 dB@l2.5KHz /70 dB @20/25KHz
  Audio Distortion	≤3%
  Audio Response	+ 1 ~-3dB(TIA603D)
  Receiver
  Sensitivity (Analog)	0.18uV(12dB SINAD)
  Sensitivity (Digital)	0.18uV (5% BER)
  Adjacent Channel Selectivity	60 dB@12.SKHz/70 dB@20/25KHz (TIA603A) 60dB@12.SKHz /70 dB@20/25KHz ( ETSI )
  Intermodulation	70 dB (TIA603D) 65 dB (ETSI)
  Spurious Rejection	70 dB (TIA603D) 70 dB (ETSI)
  Blocking	80dB(TIA603D) 84dB(ETSI)
  Co-channel Rejection	-12~0 dB @12.5KHz/-8~0 dB @20/25KHz
  Hum and Noise	-40 dB@l2.5KHz /-43 dB@20KHz /-45 dB@2SKHz
  Rated Audio Power	0.5W
  Max Audio Power	2.0W
  Rated Audio Distortion	≤3%
  Audio Response	+ 1 ~-3dB (TIA603D)
  Conducted Spurious Emission	-57 dBm (TIA603D)
  Environmental
  Operating Temperature	-30°C ~ +60°C
  Storage Temperature	-40°C ~ +85°C
  ESD	IEC 61000-4-2 (level 4) ±8kV (Contact) ±15kV (Air)
  Dust and Water Resistance	IP67
  Reliability	According to MIL-STD-810 G