# Tx pwr -- EM7455

**URL:** <https://forum.sierrawireless.com/t/tx-pwr-em7455/26474>\
**Category:** IoT Modules\
**Created:** [March 7, 2022, 3:43am UTC](https://forum.sierrawireless.com/t/tx-pwr-em7455/26474 "2022-03-07T03:43:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brcisna](https://avatars.discourse-cdn.com/v4/letter/b/b487fb/32.png) [@brcisna](https://forum.sierrawireless.com/u/brcisna)\
**Post date:** [March 7, 2022, 3:43am UTC](https://forum.sierrawireless.com/t/tx-pwr-em7455/26474/1 "2022-03-07T03:43:09Z")

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Hello All,

when doing an at!gstatus? on em7455 the Tx pwr shown is always –  
have no idea what this indicates. possible do to not being registered no tx pwr is allowed?  
at!gstatus?

!GSTATUS:  
Current Time: 245 Temperature: 26  
Reset Counter: 1 Mode: ONLINE  
System mode: LTE PS state: Not attached  
LTE band: B13 LTE bw: 10 MHz  
LTE Rx chan: 5230 LTE Tx chan: 4294967295  
LTE CA state: NOT ASSIGNED  
EMM state: Deregistered Limited Service  
RRC state: RRC Idle  
IMS reg state: No Srv

PCC RxM RSSI: -67 RSRP (dBm): -95  
PCC RxD RSSI: -65 RSRP (dBm): -95  
Tx Power: – TAC: CF04 (52996)  
RSRQ (dB): -10.4 Cell ID: 032B7001 (53178369)  
SINR (dB): 4.0

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**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:** [March 7, 2022, 4:08am UTC](https://forum.sierrawireless.com/t/tx-pwr-em7455/26474/2 "2022-03-07T04:08:34Z")

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you can insert a SIM card and type AT!GSTATUS? when it tries to register network or AT+CFUN=0/1