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GNSS

SIM68ML

SIM68ML is a high performance and reliable GNSS module. It is a GNSS module integrated with GPS & GLONASS system in a LCC type with Airoha’s high sensitivity navigation engine, which allows customer to achieve industry’s high level sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lower power consumption.

SIM68ML provides simultaneous GPS, GLONASS and QZSS open service L1 reception capability. With 33 tracking channels and 99 acquisition channels, SIM68ML can acquire and track any mix of multiple satellite signals. Combining advanced AGPS called EASY™ (Embedded Assist System) with proven AlwaysLocate™  technology, SIM68ML achieves the highest performance and fully meets the industrial standard.


Product Advantages

• Support EASY™ self-generated orbit prediction

• Support EPO™ orbit prediction

• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)

• Support Jamming Removing

• Low-noise amplifier has been integrated

Product Details

Mechanical data

•Dimensions : 10.1*9.7*2.5mm

•Weight : 0.5g

 

Features

• Support GPS/GLONASS/QZSS
(L1 Band Receiver 1575.42MHz)

• Support EASY™ self-generated orbit prediction

• Support EPO™ orbit prediction

• Support SBAS ranging
(WAAS, EGNOS, GAGAN, MSAS)

• Support Jamming Removing

• Low-noise amplifier has been integrated

 

 1. Demonstrated in lab
2. All SV @ –130 dBm, GPS & GLONASS mode
3. 50% 24 hr static, -130dBm,GPS&GLONASS mode
4. 50%@ 30m/s
5. When at -40°C~ -30°C,the sensitivity will be 

somewhat worse 6. @3.3V with a passive antenna

Performance data

• Receiver type : 33tracking/99 

acquisition-channel GNSS receiver

• Max. update rate : 10Hz

• Sensitivity¹

Tracking : -165 dBm

Reacquisition : -160 dBm

Cold starts : -148 dBm

• Time-To-First Fix²

Cold starts : 28 s
Warm start : 26 s
Hot starts : <1s
EPO Assist : 13s(CTTFF)

• Accuracy

Automatic Position³ : <2.5m CEP
Speed⁴ : 0.1m/s

• Operation temperature5 : -40℃~+85 ℃

 

Interfaces

• Serial interfaces : UART

• Digital I/O

Pulse-per-second (PPS)

EINT0 input

• Protocols

NEMA

PMTK

 

Electrical data

• Power supply : 2.8V~4.3V

• Backup power : 2.3V~4.6V

• Power consumption2,6 :
Acquisition : 25mA
Tracking : 20mA
AlwaysLocate™ : 340uA
Backup : 14uA

• Antenna type : Active and passive

• Antenna power : External or internal VCC_RF

 

Certifications

• TBD

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