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LTE Modem and USB Add-on v1 Datasheet

Table of contents

  1. Board Connections and I/O
  2. Specifications
    1. Physical Specification
    2. Radio Specification
      1. VOXL-ACC-LTEH-NA
      2. VOXL-ACC-LTEH-DOD / World
    3. SIM Cards and Supported Networks
  3. LEDs
    1. Status LEDs
    2. USB LEDs
  4. Connector Pinouts
    1. J11 - Serial Debug Port
    2. J16 - USB Port 1
    3. J17 - USB Port 2
  5. RF Characteristics
  6. Environmental
    1. Operating Temperature
  7. Emergency Boot Switch

Manual

Board Connections and I/O

voxl-acc-lteh-na-144.png

Specifications

Physical Specification

SpecicifcationValue
Weight12g
Dimensions37.1 x 43.18mm
Downstream USB ports2
Cellular 3GPP Bands SupportedLTE 2, 4, 5, 12 WCDMA 2, 5
WWAN Antenna Connectors (MIMO)UFL-R-SMT-110
Recommend AntennasW3907B0100
Debug Console ConnectorSM04B-SRSS-TBLFSN
Debug Console Mating ConnectorSHR-04V-S-B
USB2 Host Connectors4 Position JST GH, Vertical, BM04B-GHS-TBT
USB2 Host Mating ConnectorJST GHR-04V-S
J7 Connector (bottom of board)Samtec Inc, MPN: QTH-030-01-F-D-K
J7 Mating ConnectorSamtec Inc., MPN: QSH-030-01-L-D-A-K

M0020-WNC.PNG

Radio Specification

VOXL-ACC-LTEH-NA

SpecicifcationValue
North America CAT4 LTE Bands2, 4, 5, 12, 3GPP release 10
Bandwidthup to 150/50 Mbps Download/Upload
3G FallbackUMTS/WCDMA bands 2/5, 3GPP release 8

VOXL-ACC-LTEH-DOD / World

The ModalLink system uses Band 3 modems to operate in the DOD’s 1800MHz spectrum. The same add-on board can be used for international use.

SpecicifcationValue
CAT4 LTE Band1,2,3,5,7,8,20,28,38,40
Bandwidthup to 150/50 Mbps Download/Upload

SIM Cards and Supported Networks

The modem card requires the use of a Nano SIM card.

AT&T, Verizon and T-Mobile are supported. For Band 3 support, the VOXL-ACC-LTEH-DOD modem is requiered and Band 3 SIM cards need to be requested through ModalAI.

LEDs

Status LEDs

LEDDescription
PWRIlluminates GREEN when the board is powered
MODEMIlluminates GREEN when the modem is powered
WWANIlluminates solid BLUE when connected to the network

USB LEDs

The Modem USB Power and USB Port Power LEDs illuminate green to indicate the USB bus and ports are powered

Connector Pinouts

J11 - Serial Debug Port

  • Connector - BM04B-SRSS-TB
  • Mating Connector - SHR-04V-S-B
PinDescription
13.3 VDC
2UART_RX_3P3V
3UART_TX_3P3V
4GND

J16 - USB Port 1

  • Connector - 4 Position JST GH, Vertical, BM04B-GHS-TBT
  • Mating Connector - JST GHR-04V-S
PinDescription
15VDC (500mA max)
2D-
3D+
3GND

J17 - USB Port 2

  • Connector - 4 Position JST GH, Vertical, BM04B-GHS-TBT
  • Mating Connector - JST GHR-04V-S
PinDescription
15VDC (500mA max)
2D-
3D+
3GND

RF Characteristics

SpecicifcationValue (3GPP)
TX Power (LTE)23 dBm (typical)
TX Power (WCDMA)24 dBm (typical)
RX Sensitivity (LTE)-102 dBm (typical)
RX Sensitivity (WCDMA)-110 dBm (typical)

Environmental

Operating Temperature

ParameterMinMaxUnit
LTE System Functional-40+60ºC
Module Functional-40+85ºC
Module 3GPP Compliant-20+60ºC

Emergency Boot Switch

Typically left in the OFF state, this switch can be used to enable emergency boot mode. More information can be found here.



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