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SparkFun Cellular Shield - MG2639

CEL-13120
$ 69.95
SparkFun SIM Card - 6 Months (Unlimited Data)

CEL-13186
$ 79.95
7
Quad-band Cellular Duck Antenna SMA

CEL-00675
$ 7.95
Quad-band Wired Cellular Antenna SMA

CEL-00290
$ 11.95
GSM/GPRS Module - SM5100B

CEL-09533
59.9500 $ 47.96
1
Quad-band Cellular Antenna SMA

CEL-08347
$ 9.95
2