Caltta Technologies Co., Ltd.
Caltta Technologies Co., Ltd.
micro gps tracking chip price
ad hoc
base station

Caltta SmartLink580 Fixed Ad-Hoc Repeater

SmartLink580 system supports decentralized deployment and dynamic routing to implement rapid networking, and provides a wide range of wireless communication services in complex environments without relying on external networks and other equipment. 


Features of SmartLink580 Fixed Ad Hoc Base Station

  • Light and Compact

  • The compact design and lightweight 3.2kg body make SmartLink580 easily delivered and rapidly deployed to the front line.

  • Rugged and Reliable 

  • IP67 and MIL-STD-810G compliant, working temperature from -40℃~+60℃ (with chill-proof battery), all-weather operation.

  • Standard Compliant

  • Compliant with DMR standards, compatible with radios of mainstream DMR  radio manufacturers.

  • IP Connection

  • Supports IP connection to the remote base station. In the case that the wireless Ad-Hoc link is disconnected, SmartLink580 can still communicate with the command center through the IP connection.

  • External Battery as Backup

  • SmartLink580 can use an external large-capacity 12V battery as backup power. When the power supply is suddenly interrupted, the battery can ensure supply power to the AD-Hoc device so that the system can work normally.

  • Carrier Network as Backup

  • Supports external accessory connection to ensure communication is completed through 4G carrier networks in case of disconnection with other Ad-Hoc nodes.

  • Flexible and Dynamic Networking

  • Supports flexible and dynamic networking modes including chain, star, tree, and hybrid, which can be flexibly changed without modifying parameters or adjusting the layout.

  • Wide Network Coverage

  • Well-optimized RF circuit design renders the ad-hoc network a good wireless performance and achieves a long distance of network coverage.

Specifications of SmartLink580 Fixed Ad Hoc Base Station





ETSI TS 102 361-1,-2,-3


UHF3: 350-400MHz, UHF1: 400-470MHz, VHF:136-174MHz

Channel Spacing


Ad-Hoc Network Maximum Nodes

Up to 32 Nodes in chain mode

Size (H×W×D)




Power Supply

DC 12V-18V input

External Power Adaptor

External Solar Power

External Backup Battery

Internal Battery Capacity

236Wh @ 14.8V

Standby Current

< 0.55A

Transmission Current

10W Transmission Power < 4A

25W Transmission Power < 5A





4G module



Main antenna RF interface x 1

Gps/ Beidou antenna interface x 1

4G module main antenna interface (optional) x 1

4G  module secondary antenna interface (optional) x 1

Main power interface x 1

Battery floating charge interface x 1

LAN network interface x 1

WAN network interface x 1

USB interface x 1

UART interface x 1


Frequency Stability


Output Power

1W - 25W

4FSK Digital Modulation

12.5KHz Data: 7K60FXD

12.5KHz Voice and Data: 7K60FXE

Conducted/Radiated Emission

-36dBm 1GHz, -30dBm >1GHz

Modulation Limiting

±2.5KHz @12.5KHz

Adjacent Channel

Power -60dB@12.5KHz

FM Hum and Noise


Audio Response


Audio Distortion

≤3% (Typical)


Frequency Stability


Sensitivity (Digital)

0.14uV(5% BER)


75dB (TIA603D)

70dB (ETSI)

Adjacent Channel Selectivity

65dB@12.5 kHz(TIA603D)

65dB@12.5 kHz(ETSI)

Spurious Rejection

80dB ( TIA603D )

80dB ( ETSI )

Blocking or Desensitization

98dB ( TIA603D)

95dB ( ETSI)

Hum and Noise

-40 dB@12.5KHz

Conducted Spurious Emission

-57 dBm

Audio Response


Audio Distortion

3% (Typical)


Operating Temperature

-40℃ ~ +60℃

Storage Temperature

-50℃ ~ +85℃

Dust and Water Resistance




GPS Location

Accuracy specs are for long-term tracking (95th percentile values>5 satellites visible at nominal -130 dBm signal strength)

TTFF (Time To First Fix) Cold Start


TTFF (Time To First Fix) Hot Start


Horizontal Accuracy


Document Download of SmartLink580 Fixed Ad-Hoc Repeater

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