Huawei EM770W At Command Interface Specification page 108

HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Note: If there is password verify request, <times> will be the remaining retry times.
Otherwise, <times> will be empty.
<puk_times>: remaining PUK verify times, the maximum verify times is 10 times.
<pin_times>: remaining PIN verify times, the maximum verify times is 3 times.
<puk2_times>: remaining PUK2 verify times, the maximum verify times is 10 times.
<pin2_times>: remaining PIN2 verify times, the maximum verify times is 3 times.
Issue 18 (2009-06-22) Commercial in Confidence Page 104 of 169