Caltta PH660 is a DMR Tier 2 portable digital radio operating in the 400-470 MHz VHF band, equipped with a color display and a keypad. Designed to organize a professional radio communication network in locally concentrated, small groups of users who need a reliable way of communication.

Analog and digital modes of operation allow the radio to be used in mixed radio fleets and gradually migrate from analog to digital communications. Caltta PH660 will be a reliable assistant in the case of arranging a communication network for professional users who need radio communication for a long time. Design features and functionality allow the PH660 to be used in indoor and outdoor areas - in warehouses, construction sites, production and sensitive facilities.

ARC4 40bit and AES128 encryption, AES256 is compatible with Motorola, Hytera, Kenwood and more. AES - purchased with a separate license.

General:

• Digital Protocol: ETSI TS 102 361-1,-2,-3 (-4 is optional)
• Frequency: UHF1: 400-470MHz  UHF3: 350-400MHz  VHF: 136-174MHz
• Channel Capacity: 1024
• Zone Capacity: 64
• Channel Spacing: 12.5kHz/20KHz/25KHz
• Frequency Stability: ±0.5ppm
• Operating Voltage: 7.4V
• Battery Capacity: 2600mAh (Standard) 
• Battery Life(5:5:90): Analog: 16 hours, Digital: 20hours
• Size (H x W x D): 100*54.5*36.5mm (Without Antenna)
• Weight: About 290g (With Antenna and Battery)
• Screen: 1.75" Transflective LCD, 240×180, 4 Lines Text
• Vocoder: AMBE++
• Real-time Clock: Support
• VOX: Support
• Man Down: Support
• Vibration: Support
• Recording: Support (Optional)
• Bluetooth: Built-in BT4.0 Chip Supports BT Audio/PTT/Positioning Device (Optional)
• Location: GPS (Optional)
• Encryption: Support SW and HW Encryption ( Optional )

Receiver:

• Sensitivity(Analog Typical): 0.18uV(12dB SINAD)
• Sensitivity(Digital Typical): 0.18uV (5% BER)
• Adjacent Channel Selectivity: 60 dB@12.5KHz/70 dB@20/25KHz (TIA603A) -1T, 45dB@12.5KHz /70 dB@20/25KHz (TIA603D) -2T, 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: 80dB(TIA603D), 84dB(ETSI)
• Co-channel Rejection: -12~0 dB @12.5KHz/-8~0 dB @20/25KHz
• Hum and Noise: -40 dB@12.5KHz /-43 dB@20KHz /-45 dB@25KHz
• Rated Audio Power: 0.5W
• Max Audio Power: 2.0W
• Audio Distortion @ Rated Audio: ≤3% (Typical)
• Audio Response: +1～-3dB (TIA603D)
• Conducted Spurious Emission: -57 dBm (TIA603D)

Transmitter:

• Low Power Output: 1W
• High Power Output: 4W (UHF1) or 5W (VHF)
• 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: -40 dB@12.5KHz /-43dB@20KHz /-45 dB@25KHz
• Adjacent Channel Power: 60 dB@12.5KHz /70 dB @20/25KHz
• Audio Distortion @ Rated Audio: ≤3% (Typical)
• Audio Response: +1～-3dB(TIA603D)

Environmental:

• Operating Temperature: -30С ~ +60С
• Storage Temperature: -40С ~ +85С
• ESD: IEC 61000-4-2 (level 4) ±8kV (Contact) ±15kV(Air)
• Dust and Water Resistance: IP68
• Reliability: MIL-STD-810 G

GPS:

• Accuracy specs are for long-term tracking (95th percentile values>5satellites visible at nominal -130 dBm signal strength)
• TTFF (Time To First Fix) - Cold Start: <60s
• TTFF (Time To First Fix) - Hot Start: <10s
• Horizontal Accuracy: <10m