# How much is peak rate in GSM/GPRS/EDGE?

**URL:** <https://forum.sierrawireless.com/t/how-much-is-peak-rate-in-gsm-gprs-edge/6729>\
**Category:** Legacy AirPrime modules\
**Created:** [September 12, 2013, 7:10am UTC](https://forum.sierrawireless.com/t/how-much-is-peak-rate-in-gsm-gprs-edge/6729 "2013-09-12T07:10:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kagakuka](https://avatars.discourse-cdn.com/v4/letter/k/c68b51/32.png) [@kagakuka](https://forum.sierrawireless.com/u/kagakuka)\
**Post date:** [September 12, 2013, 7:10am UTC](https://forum.sierrawireless.com/t/how-much-is-peak-rate-in-gsm-gprs-edge/6729/1 "2013-09-12T07:10:16Z")

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Hi,

I have one quick question.

How much is the physical network speed in GSM/GPRS/EDGE with SL6087 ?

For example, Max UL speed is 5.76Mbps and DL is 14.4Mbps in 3G of SL8090.

I’d like to know the peak rate of each GSM/GPRS/EDGE as UL/DL with SL6087.

Thank you.

–Takuya

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**Author:** ![lotam](https://avatars.discourse-cdn.com/v4/letter/l/958977/32.png) [@lotam](https://forum.sierrawireless.com/u/lotam)\
**Post date:** [September 13, 2013, 2:09am UTC](https://forum.sierrawireless.com/t/how-much-is-peak-rate-in-gsm-gprs-edge/6729/2 "2013-09-13T02:09:44Z")

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Refer to the spec and these info is widely available, below from Wiki

```auto
Technology	Download (kbit/s)	Upload (kbit/s)
CSD 9.6 9.6
GPRS 80.0 20.0 (Class 8 & 10 and CS-4)
GPRS 60.0 40.0 (Class 10 and CS-4)
EGPRS (EDGE)	236.8 59.2 (Class 8, 10 and MCS-9)
EGPRS (EDGE)	177.6 118.4 (Class 10 and MCS-9)
```

hope it helps.