–

–

–

–

2

3

Ordering Information

Ordering Information

Part Number

Description

RXM-GPS-RM-x

RM Series GPS Receiver Module

MDEV-GPS-RM

RM Series GPS Receiver Master Development System

EVM-GPS-RM

RM Series Evaluation Module

x = “T” for Tape and Reel, “B” for Bulk

Reels are 1,000 pieces. Quantities less than 1,000 pieces are supplied in bulk

Absolute Maximum Ratings

Supply Voltage V

CC

+4.3

VDC

Input Battery Backup Voltage

+4.3

VDC

VCC_RF Output Current

50

mA

Operating Temperature

−40 to +85

ºC

Storage Temperature

−40 to +85

ºC

Exceeding any of the limits of this section may lead to permanent damage to the device.

Furthermore, extended operation at these maximum ratings may reduce the life of this

device.

Absolute Maximum Ratings

RM Series GPS Receiver Specifications

Parameter

Symbol

Min.

Typ.

Max.

Units Notes

Power Supply

Operating Voltage

V

CC

3.0

3.3

4.3

VDC

Supply Current

l

CC

Peak

44

mA

1

Acquisition

14

mA

1

Tracking

12

mA

1

Standby

0.135

mA

1

Backup Battery Voltage

V

BAT

2.0

4.3

VDC

Backup Battery Current

I

BAT

6

µA

2

ElectricalSpecifications

RM Series GPS Receiver Specifications

Parameter

Symbol

Min.

Typ.

Max.

Units Notes

VOUT Output Voltage

V

OUT

2.7

2.8

2.9

VDC

VOUT Output Current

I

OUT

30

mA

1

Output Low Voltage

V

OL

0.4

VDC

Output High Voltage

V

OH

2.4

V

CC

Output Low Current

I

OL

2.0

mA

Output High Current

I

OH

2.0

mA

Input Low Voltage

V

IL

–0.3

0.8

VDC

Input High Voltage

V

IH

2.0

3.6

VDC

Input Low Current

I

IL

–1

1

µA

3

Input High Current

I

IH

–1

1

µA

3

Minimum RESET Pulse

T

RST

1

ms

Antenna Port

RF Impedance

R

IN

50

Ω

Receiver Section

Receiver Sensitivity

Tracking

–161

dBm

Cold Start

–143

dBm

Acquisition Time

Hot Start (Open Sky)

1

s

Hot Start (Indoor)

30

s

Cold Start

32

s

Cold Start, AGPS

15

s

Position Accuracy

Autonomous

3

m

1PPS Accuracy

-11

11

ns

4

Altitude

50,000

m

Velocity

515

m/s

Chipset

MediaTek MT3337E

Frequency

L1 1575.42MHz, C/A code

Channels

22 tracking, 66 acquisition

Update Rate

1Hz default, up to 10Hz

Protocol Support

NMEA 0183 ver 3.01

1.

V

2.

V

3.

No pull-up or pull-down on the lines

4.

Relative to other RM Series modules, not to UTC time

Figure 2: Ordering Information

Figure 3: Absolute Maximum Ratings

Figure 4: Electrical Specifications