特点: NB-IoT transceiver: 3GPP R13/R14
Support RF band (B1/B2/B3/B5/B8/B11/B12/B13/B17/B18/B19/B20/B21/B25/B26/B28/B31/B66/B70/B71)
Support PSM and eDRX mode
16RD supports Paypal , Payment is calculated at the exchange rate of the day. Unable to download please contact 18902843661 (WhatsApp OR wechat number)