# AT+CREG? returns 0,0 on EM7565 **URL:** \ **Category:** MC/EM Series\ **Created:** [June 22, 2023, 11:55am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055 "2023-06-22T11:55:11Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![subashbabu.gowda](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@subashbabu.gowda](https://forum.sierrawireless.com/u/subashbabu.gowda)\ **Post date:** [June 22, 2023, 11:55am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/1 "2023-06-22T11:55:12Z")
Dear All, I verified the SIM on phone and was able to browse the internet. After using it in the Modem, below is the output **AT+CREG: 0,0** **OK** AT+CGREG: 0,0 OK AT+CPIN? +CPIN: READY OK AT+CGDCONT? +CGDCONT: 1, “IPV4V6”,“jionet”, "0.0.0.0… OK AT+GSTATUS? Temperature:32 Mode: ONLINE System Mode: WCDMA PS state: Not attached WCDMA Band: No Band MM (CS) state: IDLE NO SERVICE WCDMA L1 State : L1M\_DEEP\_SLEEP **AT!USBCOMP?** **ERROR** AT!USBINFO? VID: 0x9091 APP PID: 0x9090 Manufacture: Sierra Product Sierra Wireless EM7565 Please suggest why I am getting CREG as 0,0 ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [June 22, 2023, 12:36pm UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/2 "2023-06-22T12:36:28Z")
Have you checked the frequency band supported in at!Band? Did you connect antenna? ---
**Author:** ![subashbabu.gowda](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@subashbabu.gowda](https://forum.sierrawireless.com/u/subashbabu.gowda)\ **Post date:** [June 23, 2023, 3:58am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/3 "2023-06-23T03:58:32Z")
Dear @jyijyi AT!BAND? 00. All bands ok No. I am using Techship MU201 USB adapter with EM7565. Does it require external Antenna? Thanks, Subash ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [June 23, 2023, 4:10am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/4 "2023-06-23T04:10:23Z")
I don’t know, you need to see if the antennas are connected to module ---
**Author:** ![subashbabu.gowda](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@subashbabu.gowda](https://forum.sierrawireless.com/u/subashbabu.gowda)\ **Post date:** [June 23, 2023, 5:36am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/5 "2023-06-23T05:36:05Z")
Dear @jyijyi We are using this device for the first time, Can you please help us in what type of antenna need to be connected and any other information related to it. Thanks, Subash ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [June 23, 2023, 5:38am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/6 "2023-06-23T05:38:56Z")
did you check product technical specification of EM7565? I saw there is a section about anteanna ---
**Author:** ![subashbabu.gowda](https://avatars.discourse-cdn.com/v4/letter/s/57b2e6/32.png) [@subashbabu.gowda](https://forum.sierrawireless.com/u/subashbabu.gowda)\ **Post date:** [June 23, 2023, 6:09am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/7 "2023-06-23T06:09:44Z")
Dear @jyijyi Yes. I saw a section. Can you please suggest any immediate available antenna in the market that can be bought to be used with EM7565, we are tight on schedule to make custom antenna. Thanks you. ---
**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\ **Post date:** [June 23, 2023, 6:10am UTC](https://forum.sierrawireless.com/t/at-creg-returns-0-0-on-em7565/30055/8 "2023-06-23T06:10:53Z")
I remember some user uses this one: > **[SPDA24617/3900 Pulse Electronics | Mouser](https://www.mouser.com/ProductDetail/Pulse-Electronics/SPDA24617-3900?qs=l7cgNqFNU1h4agRdr2BUmA%3D%3D)** > > SPDA24617/3900 Pulse Electronics Antennas Ant Ext 617-3900 SMA IP65 datasheet, inventory, & pricing.