|  | EB-5662RE 
 | EB-5631RE 
 | EB-5318RF 
 | EB-5365RE 
 | EM-5318 
 | EB-3531 | EM-406A | ER-506 
 | EM-506 
 | EM-408 | ET-112 | ET-212 | ET-312 | EM-318-01 | EM-318-02 | ER-332 | ER-411 | ET-318SMT | ET-332 | ET-333 | 
        
          | Product
                  Image  |  |  |  
 |  |  
 |  |  |  |  
 |  |  |  |  |  |  |  |  |  |  |  | 
        
          | Chipset | SiRF
              Star IV | SiRF
              Star IV | SiRF
              Star IV | SiRF
              Star IV | SiRF
              Star IV | SiRF GSC3f/LP | SiRF StarIII/LP Single | SiRF
              Star IV | SiRF
              Star IV | SiRF StarIII/LP Single | SiRF GSC2X Single | SiRF GSC2X Single | SiRF StarIII | SiRF STAR III | SiRF STAR III | SiRF StarIII/LP Single | SiRF StarIII/LP Single | SiRF GSC3f/LP | SiRF StarIII/LP Single | SiRF StarIII/LP Single | 
        
          | Channels | 48 
 | 48 
 | 48 
 | 48 
 | 48 
 | 20 | 20 | 48 
 | 48 
 | 20 | 12 | 12 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 
        
          | SBAS | WAAS,
              EGNOS, MSAS | WAAS,
              EGNOS, MSAS | WAAS,
              EGNOS, MSAS | WAAS,
              EGNOS, MSAS | WAAS, EGNOS, MSA |  | WAAS EGNOS MSAS | WAAS,
              EGNOS, MSAS | WAAS,
              EGNOS, MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | WAAS EGNOS MSAS | 
        
          | RoHS Compliant
               | Y 
 | Y 
 | Y 
 | Y 
 | Y | Y | Y | Y 
 | Y 
 | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 
        
          | Operation
                Voltage (DC)  | 3.1
              ~ 3.5 | 3.1VDC
              ~ 3.5VDC | 3.1
              ~ 3.5 | 3.1VDC
              ~ 3.5VDC | 3.3VDC
              ~ 3.5VDC | 3.3 ±%5 | 4.5 ~ 6.5 | 4.5
              ~ 5.5 
 | 4.5
              ~ 6.5 
 | 3.3 ±%5 | 3.8 ~ 6.5 | 3.3 ±%5 | 3.3 ±%5 | 3.3V ~ 5.5V °” 5% | 3.3V ~ 5.5V °” 5% | 3.8 ~ 6.5 | 4.5 ~ 6.5 | 3.3 ±%5 | 3.8 ~ 6.5 | 3.8 ~ 6.5 | 
        
          | Voltage Ripple
                Tolerance  | N/A 
 | N/A 
 | N/A | N/A 
 | X 
 | 0.1V | 0.1V | N/A 
 | N/A 
 | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 0.1V | 
        
          | Data Output
                Voltage  | 3.3V | 1.8V | N/A | N/A | X 
 | 0 ~ 2.85V | 0 ~ 2.85V | 3.6 
 | 1.35 
 | 0 ~ 2.85V | N/A | N/A | 0 ~ 2.85V | 0 ~ 2.85V | 0 ~ 2.85V | N/A | N/A | 0 ~ 2.85V | N/A | 0 ~ 2.85V | 
        
          | Power
                Consumption (mA)  | N/A 
 | N/A 
 | N/A | N/A | X 
 | 60 | 44 | 45 -
              55 
 | 45 -
              55 
 | 44 | 42 | 42 | 42 |  45 | 55 | 42 | 44 | 42 | 42 | 42 | 
        
          | Power
                Consumption (Trickle Mode)  | N/A 
 | N/A 
 | N/A | N/A | X 
 | 25mA | 25 | N/A | N/A 
 | 25 | 29 | 29 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 
        
          | Power
                Consumption (Receiving Mode)  | N/A 
 | N/A 
 | N/A | N/A | X 
 | 42mA (after GPS fixed) | - | N/A | N/A 
 | - | N/A | - | - | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 
        
          | Serial Port /
                Data  | N/A 
 | 1 /
              TTL | True 
 | True | X 
 | 2/ TTL  | 1 / TTL | N/A 
 | N/A 
 | 1 / TTL | 2 / TTL | 1 / TTL | 1 / TTL | 1 / TTL | 1 / TTL | 1 / RS232 | 1 /RS232 | 2 / TTL | 1 / TTL | 1 / TTL | 
        
          | Interface Type
               | UART/I2C | UART | UART/I2C | UART/
              I2C | UART/
              I2C | SMT | 6-PIN Connector | N/A 
 | N/A 
 | 5-PIN Connector | 20-PIN Connector | SMT / 13-Solder Pads | SMT / 13-Solder Pads | 10-pin Molex Micro-Miniature (1.25mm) | 10-pin Molex Micro-Miniature (1.25mm) | 12-PIN Connector | 6-PIN Connector | SMT / 15-Solder Pads | 12-PIN Connector | 12-PIN Connector | 
        
          | Male Connector
                Digikey Part No. (on PCB)  | N/A 
 | N/A 
 | N/A | N/A 
 | X 
 | N/A | 455-1806-1-ND | N/A 
 | N/A 
 | 455-1805-1-ND | WM18841-ND | N/A | N/A | WM7628CT(TR)-ND | WM7628CT(TR)-ND | SAM1156-06-ND | 455-1806-1-ND | N/A | SAM1156-06-ND | SAM1156-06-ND | 
        
          | Female
                Connector Digikey Part No. (for cable)  | N/A 
 | N/A 
 | N/A | N/A 
 | X 
 | N/A | 455-1381-ND | N/A 
 | N/A 
 | 455-1380-ND | WM18681-ND | N/A | N/A | WM1728-ND | WM1728-ND | SAM1226-06-ND | 455-1381-ND | N/A | SAM1226-06-ND | SAM1226-06-ND | 
        
          | PPS Output
                Available  | Y 
 | Y 
 | N/A | N/A 
 | X 
 | Y | Y | Y 
 | Y 
 | N | N | N | N | Y | Y | Y | N | N | Y | N | 
        
          | Built-in LNA  | N/A 
 | Y 
 | Y 
 | Y 
 | Y 
 | Y | Y | Y 
 | Y 
 | Y | N | Y | Y | Y | N | N | Y | Y | N | N | 
        
          | Built-in
                Regulator  | N/A 
 | N/A 
 | N/A | N/A | N/A 
 | Y | Y | N/A | N/A 
 | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 
        
          | Gold Capacitor
                Back-Up (Hours)  | N/A 
 | N/A 
 | N/A | N/A | N/A 
 | N/A | 12 | N/A 
 | N/A 
 | 12 | 30 | N/A | N | N | N | N/A | N/A | N | N/A | N/A | 
        
          | Antenna Bias
                Voltage  | Y 
 | N/A 
 | N/A | N/A | N/A 
 | 2.85VDC | N/A | X 
 | X 
 | 2.85VDC | 3.3VDC | N/A | N/A | 3.3VDC | 3.3VDC | 2.85VDC | N/A | 3.3VDC | 2.85VDC | 2.85VDC | 
        
          | External
                Antenna Port  | X 
 | X 
 | N/A | N/A | MMCX 
 | N/A | N/A | X 
 | X 
 | MMCX | MCX | N/A | N/A | MMCX | MMCX | MCX | N/A | N/A | MCX | MMCX | 
        
          | Patch Antenna
               | N/A 
 | N/A 
 | N/A 
 | N/A | N/A 
 | N | Y | Y 
 | Y 
 | Y | N | N | N | Y | N | N | Y | N | N | N | 
        
          | Dimensions
                (inches)  | 0.88
              X 0.66 X 0.11 | 0.62
              X 0.51 X 0.10 | 0.59
              x 55 x 0.09 
 | 0.63
              X 0.48 X 0.10 | 1.18
              x 1.18 x 0.18 | 0.59X0.51X0.08 | 1.2x1.2x0.4 | 1.2
              x 1.2 x 0.4 
 | 1.2
              x 1.2 x 0.42 
 | 1.4x1.4x0.3 | 2.8x1.6x0.4 | 1.1 x 0.8 x 0.11 | 1.1 x 0.8 x 0.11 | 1.18 x 1.18 x 0.39  | 1.2 x 1.2 x 0.2  | 1.6x1.4x0.39 | 1.2x1.2x0.4 | 0.6x0.55x0.11 | 1.6x1.4x0.4 | 1.3x1.3x0.2 | 
        
          | Dimensions
                (mm)  | 22.4
              X 17 X 3.0 | 15.9
              X 13.10 X 2.70 | 15.2
              x 14 x 2.4 
 | 16.2
              X 12.2 X 2.7 | 30 x
              30 x 4.8 
 | 15 x13 x 2.2 | 30 x 30 x 10.5 | 30 x
              30 x 10.5 | 30 x
              30 x 10.7 
 | 36.4x35.4x8.3 | 71x40.5x10 | 28x20x2.9 | 28x20x2.9 | 30 x 30 x 10  | 30 x 30 x 4.8 | 40.5x5x35x10 | 30x30x10.5 | 15.2x14x2.8 | 40.5x5x35x10 | 31.8x31.8x6 | 
        
          | Mounting Holes
               | 28 
 | 36 
 | 18-Pin
              Stamps Holes | 24-Pin
              Stamps Holes | X 
 | N/A | N | X 
 | X 
 | N | N | N | N | N | 2.2 | 3.2 | N | N | 3.2 | 2 | 
        
          | History | N/A 
 | N/A 
 | N/A 
 | N/A 
 | X 
 | N/A | EM-406 | EM-406A 
 | EM-406A 
 | By customer PND | ET-102 | ET-312 | ET-301 | ET-318 | ET-318 | N/A | ER-406 | ET-316+LNA | N/A | ET-202 (Star 2)  |