SIMCom presents a high performance and reliable GNSS module-SIM68MB. This is a standalone GPS L1 frequency and BD2 GNSS module in a SMT type with MTK’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.

Mechanical data

•Dimensions: 10.1*9.7*2.5mm

•Weight: 0.5g

Features

•Support GPS/BD2

•Support EASYTM self-generated orbit prediction

•Support EPOTM orbit prediction

•Support SBAS ranging (WAAS, EGNOS, GAGAN,

MSAS)

•Support DGPS (RTCM)

•Support Jamming Removing

•Low-noise amplifier has been integrated

Interfaces

•Serial interfaces UART

•Digital I/O EINT0 input

Pulse-per-second (PPS)

•Protocols NMEA

PMTK

PSIM

Support product

•SIM68 EVB KIT with USB V2.0 full speed interface

Performance data

•Receiver type

33tracking/99 acquisitionchannel 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 ℃

Electrical data

•Power supply: 2.8V~4.3V 

•Backup power: 2.3V~4.6V

•Power consumption2,6

Acquisition: 25mA

Tracking: 18mA

AlwaysLocateTM: 340uA

Backup 14uA

•Antenna type Active and passive

•Antenna power External or internal VCC_RF 

Approvals

• RoHS\REACH\CE(RED)

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1.Demonstrated in lab

2.All SV @ –130 dBm, GPS&BD2 mode

3.50% 24 hr static, -130dBm,GPS&BD2mode

4.50%@ 30m/s

5.When at -40℃~ -30℃,the sensitivity will be somewhat worse

6. @2.8V with a passive antenna