# Connection p2p with two RN2483 and LoRaWan gateway

**URL:** <https://www.thethingsnetwork.org/forum/t/connection-p2p-with-two-rn2483-and-lorawan-gateway/1443>\
**Category:** End Devices (Nodes)\
**Created:** [March 8, 2016, 9:01am UTC](https://www.thethingsnetwork.org/forum/t/connection-p2p-with-two-rn2483-and-lorawan-gateway/1443 "2016-03-08T09:01:52Z")\
**Posts on this page:** 1\
**Showing post:** 33

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**Author:** ![scle](https://www.thethingsnetwork.org/forum/letter_avatar_proxy/v4/letter/s/a88e57/32.png) [@scle](https://www.thethingsnetwork.org/forum/u/scle)\
**Post date:** [March 10, 2016, 3:51pm UTC](https://www.thethingsnetwork.org/forum/t/connection-p2p-with-two-rn2483-and-lorawan-gateway/1443/33 "2016-03-10T15:51:27Z")

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Shouldn’t make a difference, disabling CRC only you would get an error in receive if the CRC is incorrect but it would give a signal.

Payload length is only needed when using implicit header… So that one is not used. I did both receiving and transmitting with this code, but it seems I have mixed it up a bit.  
I used this code below in the receive interrupt btw:

```
u1_t len = readReg(0x13);
u1_t snr = readReg(0x19);
u1_t rssi = readReg(0x1A);
u1_t buffe[512] = {0};

// set pointer to 0
writeReg(0x0D, 0x00);
readBuf(0x00, buffe, len);

writeReg(0x12, 0xFF);

```

But this has nothing to do with your problem. I think I don’t know how to solve your problem unfortunately, I ran out of ideas. The antenna seems te be fine.

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