Data, Carriers, Costs and Features Have questions about costs of data or what kind of connectivity options that Hologram has? Post that here. Issues with the actual connection to the network should be in more specific categories like the SIM Card category. LTE Cat-M1 & NB-IoT As many people know, Hologram provides the largest global coverage for cellular IoT devices. Expanding our support of 2G, 3G, 4G devices we now offer Cat-M1 and NB-IoT coverage in select markets and cellular partners. Spacebridge This section of the forum is for questions about Spacebridge, our software that allows users to SSH tunnel into their cellular devices. This is critical for devices that do not have public IP addresses. SIM Cards Post questions related to SIM card usage troubleshooting (that is, issues with your devices using our cellular connectivity services)
Topic Replies Activity
Open Network Issue With Cat-M

The Hologram Network Team has identified an issue with TCP settings on the carrier side that only affects Cat-M and only in certain areas and certain carriers with certain servers. We’re working with the carriers to reso…

16 September 21, 2019
About the Connectivity category 1 November 28, 2017
Pycom FiPy compatibility 1 September 20, 2019
MQTT login is unreliable 3 September 19, 2019
PSM Mode on Rogers Network (Canada) 3 September 19, 2019
kex_exchange_identification: read: Connection reset by peer 1 September 19, 2019
Cannot receive SMS on cellphone 1 September 18, 2019
Cost/Cons in keeping a network connected 24/7 7 September 18, 2019
LTE Cat-M1 Canada 5 September 16, 2019
Does Hologram support Verizon? 1 September 16, 2019
Other carriers with high bandwidth plan 1 September 16, 2019
Hologram SIM and SDK Compatibility 2 September 11, 2019
Can I use embedded SIM in Japan? 2 September 11, 2019
How to select a specific carrier 2 September 11, 2019
using hologram in desert 1 September 11, 2019
Cat-M sim card cannot attach in Australia 2 September 9, 2019
HTTP fail 2 September 8, 2019
GSM 800L module connectivity 2 September 7, 2019
Up-to-date coverage information for NB-IoT and Cat-M 7 September 5, 2019
Starting Hologram kills ssh connection over IP 1 September 4, 2019
SparkFun LTE CAT M1/NB-IoT Shield - SARA-R4 11 September 3, 2019
Is it possible to receive SMS during eDRX? 1 September 2, 2019
SIM7000G not connected 2 September 2, 2019
LTE CAT M1 in Germany, Gpy 8 August 31, 2019
SIM active but won't connect on known good HW/FW. 3 August 30, 2019
Are Hologram modems on a private network? 3 August 28, 2019
BG9X and T-Mobile network registered.... 3 August 24, 2019
Random NO CARRIER with SIM800/SIM900 modems (Adafruit FONA on Raspberry Pi) 20 August 20, 2019
SIM cards not working with Micron Wireless Bolt 4GA 4 September 18, 2019
Failed to connect operator SARA R410 sparkfun module 3 September 16, 2019