GH820 is a smart radio which adheres to Caltta's industrial product quality and convenient user experience and provides cost-effective commercial applications for customers. It is based on LTE digital technology to provide various data applications, enhanced features, and superior voice quality for customers.
Professional voice/video PTT services
GH820 provides high-quality and efficient voice and video PoC services that meet demands for critical communications and rapid response to calls from dedicated users anytime, anywhere.
Specialized audio box design for loud and clear speech
Specially designed audio box that contains a high-power loudspeaker and a powerful audio encoder, providing loud, hi-fi speech. It can identify initiators and provide clear calls in noisy surroundings.
Ultra Slim with Metal Body
The body is made by metal, with the size of 154×78×11.2mm, and weight 230g. It is easy to carry in pocket.
Fingerprint Recognition
The fingerprint recognition module makes the phone safer. It is easy and quick to unlock the phone in emergency.
Extensive and distinctive supplementary services and functions
Supports GPS and other positioning methods to provide dedicated users with precise location-based services. It also provides BT/WiFi/NFC which help user more convenient.
Durable and reliable
It complies with the IP68 standard and is applicable to the outdoors. It meets high military specifications against collision, vibration, and solar radiation. Therefore, it can be used under all kinds of harsh environment.
System | Private network: LTE Public network: LTE/WCDMA/GSM/TD-SCDMA/CDMA | |
Frequency | Private network LTE | TDD 1.8G(1785~1805MHz) TDD 1.4G(1447~1467MHz) |
| Public network LTE | TDD: B38/B39/B40/B41 FDD: B1/B3/B5/B7/B8/B20/B28 |
| WCDMA | B1/B2/B5/B8 |
| GSM | B2/B3/B5/B8 |
| TD-SCDMA | B34/B39 |
| CDMA | BC0 |
Antenna | Internal: LTE/WLAN/BT/NFC/GPS | |
Size(H×W×D) | 154 × 78 × 11.2 mm | |
Weight | About 230g | |
Screen | 5.7 inch high definition LCD, 1440x720 | |
Battery | 13.16Wh (3420mAh,3.85V) | |
Operating system | Deep Customized Android Operation System | |
CPU | Oct A53 Processor | |
Memory | RAM: 4GB ROM: 64GB | |
Camera | Rear camera: 13M pixels, auto focus, CMOS, and a flash Front camera: 13M pixels, and CMOS | |
External interface | Type-C USB Connector (USB, Audio, Data, and PTT headphone) | |
Bluetooth | BT 2.1+EDR/4.0 | |
NFC | Support | |
WLAN | Wi-Fi 802.11b/g/n, 2.4G/5G, Support Wi-Fi Hotspot | |
Location | GPS, Glonass, BDS | |
Encryption | TF encryption card | |
Card Slot | Private NANO Sim × 1, Public NANO SIM × 1, TF Card × 1 | |
External Memory | Support TF Card, up to 128GB | |
Sensor | Gravity acceleration sensor, proximity sensor, gyroscope, light sensor, and geomagnetic | |
Charging | 5V Type-C USB Cable Charging | |
OTG | Support |